Long Wedding Guest Dresses

Elevate your wedding guest style with these gorgeous long dresses. Whether you prefer a flattering A-line, dramatic mermaid, or sleek sheath silhouette, these styles feature luxe fabrics like satin, rhinestones, velvet, and glitter knit. Perfect for semi-formal, formal, or black-tie weddings, with stunning details like side slits, low backs, and strappy or strapless necklines. Find your picture-perfect long dress or gown for your upcoming wedding celebration.

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Stunning Long Wedding Guest Dresses For Fall & Winter Events

Make an unforgettable entrance with Windsor’s long wedding guest dresses, designed for those who want to captivate from the moment they arrive. From flowing maxi dresses to form-fitting mermaid and trumpet styles, our long guest dresses offer silhouettes that flatter every body type. Unique details like faux pearl beading, rhinestone embellishments, and satin trims elevate each dress, making them perfect for fall or winter weddings where elegance is key.

Picture yourself gliding across a candlelit venue in a floor-length gown with an alluring high front slit, or standing out in a rhinestone-embellished dress with delicate adjustable ties. For semi-formal events, choose a simpler design without too many embellishments, or go for a lightweight fabric like chiffon or crepe. These luxurious touches make Windsor’s long wedding guest dresses the perfect choice for formal or black-tie weddings. Whether you prefer a timeless satin gown or an asymmetrical design with a contemporary twist, our collection has something for every style. Find your perfect fit and step into the season with confidence.

What are the best silhouettes for a long wedding guest dress?

Popular silhouettes include mermaid, column, trumpet, and asymmetrical designs. These shapes provide different fits, from form-fitting and dramatic to flowy and relaxed. Shop Windsor's complete collection of wedding guest dresses to find your perfect fit.

  • Swept Away Floral Chiffon Maxi Dress

    Get swept away in this dreamy floral chiffon maxi dress to serve romantic vibes at every brunch or baby shower! The dress features long peasant sleeves with ruffle trim along the shoulders, a sweetheart neckline, a lightly padded bust, a smocked back, and an A-line silhouette with a sultry side slit. The dress is composed of an airy chiffon fabric with a blooming floral print and a woven lining. Complete the look in strappy heels.

    Fit & Features

    • Long peasant sleeves, ruffle trim
    • Sweetheart neckline, lightly padded bust
    • Smocked back
    • A-line silhouette
    • Side slit, maxi-length hem
    • Blooming floral, non-stretch chiffon fabric, woven lining
    • Runs true to size

    Style Number/Barcode: 05101-2215

    Category Name: Long Wedding Guest Dresses

    Price: $5.97

    Availability: Out of Stock

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  • Annalise Glitter Satin Corset Mermaid Dress

    Special Occasion

    Glisten with glamour in the gorgeous Annalise glitter satin corset mermaid dress at your next black-tie affair! Crafted with a sleek satin fabric with a luxe glitter sheen, this long formal dress will capture all the compliments. She is designed with a sleeveless sweetheart neckline with pleating at the bust, and flexible boning at the bustier bodice for a snatched look. Her thin tank shoulder straps lead to a back zipper closure for effortless styling. Her mermaid silhouette will flaunt your stunning curves on the floor-sweeping hem, accented with a high front slit. Complete your look with metallic heels.

    Fit & Features

    • Glitter satin fabric, bust knit lining, slight stretch
    • Sleeveless sweetheart neckline, pleated bust
    • Bustier bodice with flexible boning
    • Tank shoulder straps, back zipper and hook-eye closure
    • High front slit
    • Mermaid fit
    • Runs true to size

    Style Number/Barcode: 05002-7861

    Category Name: Long Wedding Guest Dresses

    Price: $19.97 $19.97

    Availability: In Stock

    Available Color: GOLD, LIGHT, BLUE

    Available Size: XS, S

    Product Badge:
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  • Blanche Formal Corset Mermaid Dress

    Special Occasion 

    Bring that timeless elegance with a formal dress that stuns from the moment you enter the room! The dress features a sleeveless square neckline, tank shoulder straps, a corset bodice with flexible boning, a stunning lace-up back, and a flowy mermaid silhouette. The dress is composed of a lined crepe fabric that offers a form hugging fit with a moderate stretch. Complete look with rhinestone heels and a clutch

    Fit & Features 

    • Sleeveless square neckline
    • Tank shoulder straps
    • Corset bodice, flexible boning
    • Mermaid silhouette
    • Lined crepe fabric
    • Form hugging fit, moderate stretch 
    • Runs true to size

    Style Number/Barcode: 05002-1744

    Category Name: Long Wedding Guest Dresses

    Price: $14.97

    Availability: Out of Stock

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  • Plus Maddison Sleeveless Mermaid Dress
    Special Occasion 

    Radiate elegance and grace as you draw them in to your beauty with our Maddison mauve dress! She features a sleeveless bodice, an off the shoulder neckline with large fold over accent and a relaxed fit bodice that flows to a curve hugging mermaid silhouette. She is composed of a crepe fabric that highlights curves while providing a moderate stretch. Includes a back zipper closure with a fish hook clasp. 

    Model is 5'9" with a 38.5" bust, 31" waist and 52" hips. She is wearing a size 1X.

    Special Occasion products cannot be returned to any retail locations.

    Style Number/Barcode: 15002-0130

    Category Name: Long Wedding Guest Dresses

    Price: $29.97

    Availability: Out of Stock

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  • Luna Halter A-Line Formal Dress

    Special Occasion

    If you love a dramatic look that radiates elegance, the Luna formal dress is for you. She features a sleeveless bodice with halter straps with ties at the back of the neck, a plunging V-neckline, an open back, and a floor-sweeping fitted A-line silhouette. Style this dress with sparkly statement earrings and an embellished clutch.

    Fit & Features

    • Sleeveless bodice
    • Halter straps, ties at the back of the neck
    • Deep V-neckline
    • Open back
    • Floor-length fitted A-line silhouette
    • Runs true to size

    Style Number/Barcode: 05002-1588

    Category Name: Long Wedding Guest Dresses

    Price: $14.97

    Availability: Out of Stock

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  • Heather Formal Crepe Mermaid Long Dress

    Special Occasion

    In the classy Heather formal dress, every step will be like strutting down the runway! She features a sleeveless square neckline with a cowl overlay, adjustable spaghetti straps, flexible boning inserts, and a flattering mermaid silhouette, surplice high-slit skirt, and floor-length hem. The formal dress is composed of a crepe fabric with minimal stretch. Complete the look in rhinestone strap heels and jewelry for a glam finish!

    Fit & Features

    • Sleeveless square neckline, cowl overlay
    • Adjustable spaghetti straps
    • Flexible boning inserts
    • Mermaid silhouette. surplice high-slit skirt, floor-length hem
    • Crepe fabric, minimal stretch
    • Bra friendly design
    • Runs true to size

    Style Number/Barcode: 05002-7435

    Category Name: Long Wedding Guest Dresses

    Price: $29.97 $29.97

    Availability: In Stock

    Available Color: BLACK

    Available Size: S

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  • Lily Formal High Slit Dress

    Special Occasion 

    Make an elegant impression with a formal dress that brings the sophistication. Lily features a sleeveless square neckline, spaghetti straps, a strappy back design, and a high side slit. The dress is composed of a smooth knit fabric that offers a form hugging fit with a moderate stretch. Complete look with rhinestone heels. 

    Fit & Features

    • Sleeveless square neckline
    • Spaghetti straps
    • Strappy back design 
    • High side slit
    • A-line silhouette
    • Smooth knit fabric 
    • Form hugging fit, moderate stretch, runs true to size

    Style Number/Barcode: 05002-1346

    Category Name: Long Wedding Guest Dresses

    Price: $19.97

    Availability: Out of Stock

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  • Raina Formal Crochet Dress
    Special Occasion 

    Stun in lace as you make a memorable entrance in our Raina dress! She features a sleeveless bodice, a plunging padded V neckline and narrow straps. Her back features an open back design with double row bar strap accents and a back zipper and hook and eye closure. Her slim fit bodice leads to a floor length silhouette with a sheer skirt and high side slit. Dress is composed of a floral crochet and chiffon fabric that offers a relaxed fit with minimal stretch.

    Model is 5'8" with a 32" bust, 23" waist and 36" hips. She is wearing a size small

    Special Occasion products cannot be returned to any retail locations.

    Style Number/Barcode: 05002-6579

    Category Name: Long Wedding Guest Dresses

    Price: $31.97

    Availability: Out of Stock

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  • Lakelyn Lace-Up Floral Sequin Mesh Formal Dress

    Special Occasion

    Create the dreamiest vibe for prom, weddings, or any formal affair in the Lakelyn lace-up floral sequin mesh formal dress. The airy sheer mesh fabric is embroidered with clear sequins in a detailed floral pattern for an enchanting allure, and includes a knit lining for coverage. Her bodice is shaped with a sleeveless sweetheart neckline with a padded bust and structured underwire, eliminating the need for a bra. Her spaghetti straps lead to an open back with a lace-up strappy design to find your perfect customized fit. Her slim-fit silhouette will highlight your curves on the floor-length hem, accented with a chic high-cut side slit to showcase some leg. Complete the look with rhinestone heels!

    Fit & Features

    • Sheer mesh fabric with knit lining, moderate stretch
    • Clear sequin embroidered floral pattern
    • Sleeveless sweetheart neckline, padded bust with underwire
    • Spaghetti straps, open back with lace-up straps
    • Lower back zipper with hook and eye closure
    • High side slit, slim-fit silhouette
    • Runs true to size

    Style Number/Barcode: 05002-7960

    Category Name: Long Wedding Guest Dresses

    Price: $79.90

    Availability: In Stock

    Available Color: YELLOW, WHITE

    Available Size: XS, S, M, L

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  • Phoebe Formal Sequin Cowl Neck Long Dress

    Special Occasion

    Stand out in the fabulous Phoebe formal dress designed with a regal sequin scroll pattern perfect for showing off at school dances or banquets! She features a sleeveless cowl neckline, adjustable spaghetti straps for a customizable fit, a strappy back, and a curve-hugging slim silhouette with a high-front slit and floor-length hem. The formal dress is composed of a sequin-scroll pattern on mesh fabric with a stretchy knit lining. Complete the look with a glam rhinestone bracelet and earrings.

    Fit & Features

    • Sleeveless cowl neckline, adjustable spaghetti straps, strappy back
    • Back zipper and hook-eye closure
    • Curve-hugging, slim silhouette
    • High front slit, floor-length hem
    • Sequin-scroll mesh fabric, stretchy knit lining
    • Strapless or sticky bra recommended
    • Runs true to size

    Style Number/Barcode: 05002-8237

    Category Name: Long Wedding Guest Dresses

    Price: $19.97 $19.97

    Availability: In Stock

    Available Color: LIGHT, BLUE-2

    Available Size: XS, S

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  • Kalel Off The Shoulder Mermaid Dress

    Special Occasion 

    Create an ethereal moment in our breathtaking Kalel formal dress! Put simply her elegance is showcased with her mermaid silhouette and dainty off the shoulder straps to radiate an unforgettable impression! 

    Fit & Features 

    • Off The Shoulder Neckline | No-Slip Strip
    • Sweetheart Bust 
    • Sheer Mesh Off The Shoulder Strap Accents 
    • Vertical Princess Seams
    • Mermaid Silhouette 
    • Fully Lined Crepe Fabric 
    • Form Hugging Fit | Moderate Stretch 

     

    Model is 5'9" with a 32" bust, 24" waist and 34" hips. She is wearing a size small.

    Special Occasion products cannot be returned to any retail locations.

    Style Number/Barcode: 05002-0610

    Category Name: Long Wedding Guest Dresses

    Price: $29.97

    Availability: Out of Stock

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  • Penny Formal Crepe Lace-Up Slit Dress

    Special Occasion

    Dare to make a striking impression in the Penny formal dress at banquets and galas! She features chiffon peasant sleeves, a square neckline, a lace-up back with tie closure, a curve-hugging silhouette, and a sultry high front slit along her floor-length hem. The formal long dress is composed of a lined crepe fabric with moderate stretch. Style with a statement ring set and clutch to complete your dressy look!

    Fit & Features

    • Chiffon peasant sleeves, square neckline
    • Lace-up back with tie closure
    • Curve-hugging silhouette
    • High front slit, floor-length hem
    • Lined crepe fabric, moderate stretch
    • Sticky bra or pasties recommended
    • Runs true to size

    Style Number/Barcode: 05002-7206

    Category Name: Long Wedding Guest Dresses

    Price: $29.97

    Availability: Out of Stock

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  • Alice Sequin Mermaid Formal Dress

    Special Occasion

    Bring the gorgeous sparkle to your special night out in the stunning and elevated Alice formal dress. She features a sleeveless V-neckline with a padded bust, spaghetti straps that lead to a lace-up back design for a customized fit, and chic side cutouts. Her high waist seam flows out to a floor-length, fitted, mermaid silhouette. The sheer mesh fabric features all-over sequin embroidery in a luxe scroll design and includes a full knit lining. Style this dress with rhinestone duster earrings.

    Fit & Features

    • Sleeveless V-neckline, sheer mesh inset, spaghetti straps
    • Padded bust, no bra required
    • Lace-up back design, tie closure
    • Side cutouts leading to an open back, lower back zipper
    • Floor-length mermaid silhouette
    • Sequin embroidery, scroll design
    • Sheer mesh fabric, full knit lining
    • Form-hugging fit, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-2358

    Category Name: Long Wedding Guest Dresses

    Price: $30.97

    Availability: Out of Stock

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  • Mya Sweetheart A-Line Formal Dress

    Special Occasion

    This prom season, showcase your effortless beauty in the floor-sweeping Mya formal dress! She features a sleeveless sweetheart neckline with a padded bust, adjustable spaghetti straps for a customized fit, and a chic low-back design. Her high waist seam flows out to a floor-length A-line silhouette with pretty pleated detailing. The sheer chiffon fabric includes a full woven lining. Style this dress with a sparkly embellished cuff for the perfect prom look.

    Fit & Features

    • Sleeveless sweetheart neckline, adjustable spaghetti straps
    • Padded bust, no bra required
    • Low-back design, zipper, hook and eye closure
    • High waist seam, floor-length A-line silhouette, pleating
    • Sheer chiffon fabric, woven lining
    • Flowy fit, no stretch
    • Runs true to size

    Style Number/Barcode: 05002-2099

    Category Name: Long Wedding Guest Dresses

    Price: $19.97

    Availability: Out of Stock

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  • Adriana Formal Velvet Mermaid Dress

    Special Occasion

    The Adriana formal velvet mermaid dress is a chic choice for an elegant affair. She features a sweetheart neckline with a draped cowl accent, long fitted sleeves, a structured corset-designed bodice, a partially open back with a lace-up design, and a fitted, floor-length, mermaid silhouette with a high side slit. Style with a glitzy necklace and earrings set.

    Fit & Features

    • Sweetheart neckline, draped cowl design
    • Adhesive bra recommended
    • Long fitted sleeves
    • Corset-designed bodice, flexible boning, high waist seam
    • Partially open back, lace-up strappy design, tie closure
    • Floor-length hem, mermaid silhouette, high front slit
    • Smooth velvet fabric, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-2547

    Category Name: Long Wedding Guest Dresses

    Price: $39.97

    Availability: Out of Stock

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  • Pam Formal Velvet Long Sleeve Mermaid Dress

    Special Occasion

    Luxurious velvet creates the chic-sophisticated Pam formal dress! Her timeless silhouette features a sweetheart neckline with cowl pleating, fitted long sleeves, a corset bodice with flexible boning to give you a snatched appearance, a head-turning strappy lace-up back, and a high front slit, all crafted from beautiful velvet fabric. The floor-length hem gives this dress effortless sophistication for a glamorous evening look. Complete the look for a formal party, wedding, or banquet with a statement ring set and a clutch.

    Fit & Features

    • Fitted long sleeves
    • Sweetheart neckline, cowl pleating
    • Corset bodice, flexible boning
    • Strappy lace-up back
    • Mermaid silhouette, high front slit, floor-length hem
    • Soft velvet fabric, moderate stretch
    • Any bra or lingerie accessory recommended
    • Runs true to size

    Style Number/Barcode: 05002-7610

    Category Name: Long Wedding Guest Dresses

    Price: $14.97

    Availability: Out of Stock

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  • Natalie Sequin Scroll Formal Dress

    Special Occasion

    Bring the vintage-chic vibes to your formal look with the gorgeous Natalie sequin scroll formal dress! She features a sleeveless V-neckline, dual bungee spaghetti straps, an alluring open back with a strappy design, a high waist seam, and a fitted, floor-length silhouette. The lined mesh fabric showcases sequin embroidery in a luxe scroll pattern. Complete the outfit with rhinestone earrings.

    Fit & Features

    • Sleeveless V-neckline, dual bungee spaghetti straps
    • Adhesive bra recommended
    • Open back, strappy design
    • High waist seam, fitted floor-length silhouette
    • Sequin embroidery, scroll pattern
    • Sheer mesh fabric, full knit lining, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-2477

    Category Name: Long Wedding Guest Dresses

    Price: $14.97

    Availability: Out of Stock

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  • Ella Strappy Back High-Slit Dress

    Special Occasion

    Sleek and stunning, the Ella dress will make a chic statement. She features a sleeveless square neckline, spaghetti straps that lead to a backless strappy lace-up design, ruched detailing, and a floor-length fitted silhouette with a thigh-high side slit. Style this dress with rhinestone earrings and clear heels.

    Fit & Features

    • Sleeveless square neckline
    • Spaghetti straps
    • Backless strappy lace-up design
    • Ruching
    • Floor-length fitted silhouette
    • High side slit
    • Runs true to size

    Style Number/Barcode: 05002-1330

    Category Name: Long Wedding Guest Dresses

    Price: $14.97

    Availability: Out of Stock

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  • Renata Formal Off The Shoulder Mermaid

    Special Occasion 

    Channel classic elegance with a formal dress that is totally A-list worthy! The dress features an off-the-shoulder neckline with a sweetheart bust, long sleeves, and a curve-hugging mermaid silhouette. The dress is composed of a crepe fabric that offers a form-hugging fit with a moderate stretch. Complete look with heels and a rhinestone clutch

    Fit & Features

    • Off the shoulder neckline, sweetheart bust
    • Long sleeves
    • Mermaid silhouette
    • Crepe fabric 
    • Form hugging fit, moderate stretch 
    • Runs true to size

    Style Number/Barcode: 05002-1435

    Category Name: Long Wedding Guest Dresses

    Price: $14.97

    Availability: Out of Stock

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  • Claudia A-Line Velvet Formal Dress

    Special Occasion

    You'll look oh-so-luxe in the chic Claudia velvet formal dress! She features a sleeveless cowl neckline, a trendy corset-designed bodice, adjustable spaghetti straps, and a back zipper closure. Her high waist seam flows out to a floor-length A-line silhouette with a sultry thigh-high front slit with ruched detailing. The smooth velvet fabric will give off an effortlessly elegant vibe. Complete your dressy night-out look with strappy stilettos.

    Fit & Features

    • Sleeveless cowl neckline
    • Corset-designed bodice, flexible boning
    • Adjustable spaghetti straps
    • Back zipper and hook and eye closure
    • High waist seam, floor-length A-line silhouette
    • High front slit, ruching
    • Velvet fabric, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-1428

    Category Name: Long Wedding Guest Dresses

    Price: $19.97

    Availability: Out of Stock

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  • Jenelle Formal Sequin Open Back Dress

    Special Occasion

    Prepare to wow in the Jenelle formal dress adorned with a sparkling sequin scroll pattern made to captivate at your fall banquet or gala dinner! She features a sleeveless square neckline with non-slip grip lining, adjustable spaghetti straps, and a sexy open-back with lattice straps. Her curve-hugging silhouette leads to the floor-length hem with a sultry high-cut side slit. The formal long dress is composed of a mesh fabric with a knit lining and minimal stretch. Complete your dressy look with chandelier earrings and heels.

    Fit & Features

    • Sleeveless square neckline with non-slip grip
    • Adjustable spaghetti straps, lightly padded bust
    • Back zipper closure, open-back, lattice straps
    • Curve-hugging, high-cut side slit
    • Floor-length hem
    • Sequin-scroll mesh fabric, knit lining, minimal stretch
    • Fits true to size

    Style Number/Barcode: 05002-2553

    Category Name: Long Wedding Guest Dresses

    Price: $14.97

    Availability: Out of Stock

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  • Pauline Formal Sequin Draped Bead Mermaid Dress

    Special Occasion

    The Pauline formal sequin dress catches the light just right, making way for your head-turning entrance! She features a beautiful sleeveless plunge V-neckline with a sheer mesh insert, a padded bust, adjustable spaghetti straps, a stunning draped beading along her back, and a flattering mermaid silhouette and floor-length hem. The formal dress is designed with a sparkling sequin-scroll pattern on mesh fabric with a stretchy knit lining. Complete the look with fringe earrings for a gala or black tie event!

    Fit & Features

    • Sleeveless plunge V-neckline, sheer mesh insert
    • Adjustable spaghetti straps, padded bust
    • Hidden side zipper and hook-eye closure
    • Draped beading along the back
    • Mermaid silhouette, floor-length hem
    • Sequin-scroll pattern, mesh fabric, stretchy knit lining
    • Runs true to size

    Style Number/Barcode: 05002-8121

    Category Name: Long Wedding Guest Dresses

    Price: $99.90

    Availability: In Stock

    Available Color: LIGHT, BLUE, WINE

    Available Size: XS, S, M

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  • Jasmine One-Shoulder Sequin Mermaid Dress

    Special Occasion

    Create an elegant and timeless look in the chic Jasmine sequin formal prom dress. She features a sleeveless one-shoulder neckline with dual adjustable spaghetti straps, a flattering high waist, and a floor-length fitted mermaid silhouette. The sheer mesh fabric includes a full knit lining and all-over sequin embroidery in a stunning vintage-inspired scroll pattern. Complete your prom outfit with sleek stiletto heels.

    Fit & Features

    • One-shoulder neckline, dual adjustable spaghetti straps
    • Adhesive bra recommended
    • Back zipper closure, empire waist
    • Floor-length hem, mermaid silhouette
    • Sequin embroidery
    • Mesh-knit lined fabric
    • Runs true to size, moderate stretch

    Style Number/Barcode: 05002-1626

    Category Name: Long Wedding Guest Dresses

    Price: $19.97

    Availability: Out of Stock

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  • Ava Ruched Velvet Mermaid Dress

    Special Occasion

    Have a major chic moment in the stylish and stunning Ava velvet formal dress! She features a sleeveless deep V-neckline, spaghetti straps, a high waist seam, ruched detailing, and a floor-length mermaid silhouette with a thigh-high front slit. Complete the look with rhinestone statement earrings and heels.

    Fit & Features

    • Sleeveless deep V-neckline, padding cups
    • Spaghetti straps
    • Back zipper closure
    • High waist seam, ruching
    • Floor-length mermaid silhouette, front slit
    • Velvet fabric
    • Runs true to size

    Style Number/Barcode: 05002-1469

    Category Name: Long Wedding Guest Dresses

    Price: $14.97

    Availability: Out of Stock

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