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.

  • Layci Formal High Slit Dress

    Special Occasion 

    Create a memorable impression in our breathing-taking Layci dress! She features a  straight off-the-shoulder neckline with a fold-over accent and princess seams. Her slim fit bodice leads to an elongating floor-length silhouette that is accented with a high side slit to showcase your glam heels! The dress is composed of a crepe fabric that offers a form hugging fit with a moderate stretch. Complete look with a rhinestone clutch

    Fit & Features

    • Off the shoulder neckline
    • Fold over accent, princess seams
    • High side slit
    • A-Line
    • Lined crepe fabric
    • Form hugging fit, moderate stretch 
    • Runs true to size 

    Style Number/Barcode: 05002-0487

    Category Name: Long Wedding Guest Dresses

    Price: $33.97

    Availability: Out of Stock

    Product Badge:
  • Moira Lace-Up Mermaid Sequin Formal Dress

    Special Occasion

    Shimmer like never before in the Moira sequin formal dress that brings glamorous sparkle to charity auctions, black tie galas, and dances! Turn heads in her flattering sleeveless cowl neckline and a lace-up open back that lets you customize the style. The mermaid silhouette accentuates your curves and features a high front slit that adds a sophisticated detail along the floor-length hem. Complete the look with rhinestone earrings and a bracelet for extra bling!

    Fit & Features

    • Sequin scroll pattern, mesh fabric lined with stretchy knit
    • Lace-up
    • Back zipper and hook-eye closure
    • High front slit
    • Mermaid silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8240

    Category Name: Long Wedding Guest Dresses

    Price: $49.97 $49.97

    Availability: In Stock

    Available Color: NAVY

    Available Size: S, M

    Product Badge:
    • Sale
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  • Jianna Formal A-Line Crepe Dress

    Special Occasion 

    Create a stylish moment with a formal dress that captures hearts from the moment you enter the room! Jianna features a sleeveless V-neckline, adjustable spaghetti straps, and an A-Line silhouette with a high side slit. The dress is composed of a scuba knit fabric that offers a form hugging fit with a moderate stretch. Complete look with rhinestone heels and a rhinestone clutch. 

    Fit & Features

    • Sleeveless wired V-neckline
    • Adjustable spaghetti straps 
    • A-line silhouette
    • High side slit
    • Scuba knit fabric 
    • Form hugging fit, moderate stretch 
    • Runs true to size

    Style Number/Barcode: 05002-1496

    Category Name: Long Wedding Guest Dresses

    Price: $14.97

    Availability: Out of Stock

    Product Badge:
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  • Luciana Formal Lace Mermaid Dress

    Special Occasion 

    Bring elegance with timelessly captivating lace! Luciana features a laced bodice with a plunging V neckline with delicate trim, unlined floral lace long sleeves, and a matching V-shaped back. Her high waist leads to a curve-hugging mermaid silhouette skirt. The dress is composed of a partially lined lace and lined crepe fabric that offers a moderate stretch. Complete the look in statement earrings.

    Fit & Features

    • Lace long sleeves | Dual V-neckline
    • Adhesive bra recommended
    • Lace crochet lined bodice
    • Empire waist | Form-fitting silhouette
    • Mermaid floor-length hem
    • Crepe lined fabric
    • Fits true to size | Moderate stretch

    Style Number/Barcode: 05002-0411

    Category Name: Long Wedding Guest Dresses

    Price: $19.97

    Availability: Out of Stock

    Product Badge:
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  • Julian Formal Velvet Rhinestone Trim Dress

    Special Occasion

    When the occasion calls for velvet, the Julian formal long dress delivers a sophisticated style for your next banquet, gala, or holiday soiree! She features long sleeves, a plunge sweetheart neckline with a wire insert, and a breathtaking open-back design with rhinestone fringe, dual button closures, and a lower ruched seam to flaunt your curves! Her form-hugging mermaid silhouette offers a sexy show of leg in her high-cut slit along the floor-length hem. The formal maxi dress is composed of luxuriously soft velvet with sewn-in lining and moderate stretch. Complete your dressy look with a glamorous hair accessory!

    Fit & Features

    • Long sleeves, plunge sweetheart neck, wire insert
    • Adhesive bra or pasties recommended
    • Open-back, rhinestone fringe, dual button closures
    • Form-hugging, mermaid silhouette
    • High-cut front slit, floor-length hem
    • Velvet fabric, sewn-in lining, moderate stretch
    • Fits true to size

    Style Number/Barcode: 05002-2611

    Category Name: Long Wedding Guest Dresses

    Price: $79.90

    Availability: In Stock

    Available Color: BLACK

    Available Size: XS, S

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  • Justine Formal Crepe Sweetheart Long Dress

    Special Occasion

    Chic, sultry, and showstopping, the Justine formal crepe dress is a stunning style for dinner banquets, ceremonies, and anniversary parties! She features a sleeveless sweetheart neckline with a lovely cowl draping, spaghetti straps, a padded bust, a hip-hugging slim silhouette, and a sexy high front slit along her floor-length hem. The formal dress is composed of a lined crepe fabric with minimal stretch. Complete the look with an embellished box clutch and heels.

    Fit & Features

    • Sleeveless sweetheart neckline, cowl draping
    • Spaghetti straps, padded bust
    • Hip-hugging, slim silhouette
    • High front slit, floor-length hem
    • Lined crepe fabric, minimal stretch
    • Bra optional
    • Runs true to size

    Style Number/Barcode: 05002-7317

    Category Name: Long Wedding Guest Dresses

    Price: $29.97

    Availability: Out of Stock

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  • Wren Formal Ruched Crepe Dress

    Special Occasion 

    Make a mesmerizing entrance with a formal dress that stuns from the moment you enter the room! Wren features a sleeveless square neckline, spaghetti straps, ruching at the waist, and an A-line silhouette accented with a high side slit. 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
    • Spaghetti straps
    • Ruching at waist
    • A-line silhouette, high side slit
    • Lined crepe fabric 
    • Form hugging fit, moderate stretch 
    • Runs true to size

    Style Number/Barcode: 05002-1748

    Category Name: Long Wedding Guest Dresses

    Price: $13.97

    Availability: Out of Stock

    Product Badge:
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  • Rosalie Rhinestone Strap Mermaid Wrap Dress

    Special Occasion

    Chic and glamorous, the Rosalie mermaid wrap dress is a perfect option for your next black tie gala! She features a sleeveless V-neckline with a surplice design, thin sparkly rhinestone straps, front pleating at the bust and waist, a floor-sweeping hem with a wrap-front skirt creating a slit, and a form-hugging mermaid silhouette. The crepe fabric offers a moderate stretch. Style with rhinestone heels to complete your fancy look.

    Fit & Features

    • Sleeveless V-neckline, surplice design, thin rhinestone straps
    • Front pleating at the bust and waist, back zipper closure, high waist seam
    • Floor-length hem, wrap-front skirt, front slit
    • Form-hugging mermaid silhouette
    • Crepe fabric, knit lining at the bust, moderate stretch
    • Strapless or sticky bra recommended
    • Runs true to size

    Style Number/Barcode: 05002-3249

    Category Name: Long Wedding Guest Dresses

    Price: $29.97

    Availability: Out of Stock

    Product Badge:
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  • Isla Formal One-Shoulder Satin Dress

    Special Occasion 

    Bring the elegance in the captivating Isla formal satin dress. The dress features a one-shoulder neckline with a fold-over accent and a slim-fit bodice that leads to a mermaid silhouette. The dress is composed of a lined satin stretch fabric that offers a form-hugging fit. Complete your formal outfit with clear mules.

    Fit & Features

    • One-shoulder neckline
    • Fold-over accent
    • Slim-fit bodice
    • Mermaid silhouette
    • Lined satin fabric, moderate stretch
    • Form-hugging fit 
    • Runs true to size

    Style Number/Barcode: 05002-1169

    Category Name: Long Wedding Guest Dresses

    Price: $14.97

    Availability: Out of Stock

    Product Badge:
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  • Jodi Tulle A-Line Dress

    Special Occasion

    Step out in our dreamy Jodi! Her tulle overlay adds an ethereal flow everywhere you go.

    Fits & Features 

    • Spaghetti Straps That Cross At The Back
    • Deep V Neckline I Padded Bust 
    • Back Zip With Hook & Eye Closure
    • Sweeping Floor-Length Hemline I A-Line Silhouette I Thigh High Slit
    • Fully Lined Knit Fabric With Tulle Overlay 
    • Form Hugging Fit I Moderate Stretch 

    Yellow: Model is 5'9" with a 32" bust, 24" waist and 34" hips. She is wearing a size 3.

    Lavender: Model is 5'7" with a 34" bust, 24" waist and 36" hips. She is wearing a size 3.

    Special Occasion products cannot be returned to any retail locations.

    Style Number/Barcode: 05002-0604

    Category Name: Long Wedding Guest Dresses

    Price: $29.97

    Availability: Out of Stock

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  • Kirsten Velvet Wrap Formal Dress

    Make major stylish and bold moves in our chic Kirsten velvet formal dress. She features a sleeveless bodice, adjustable spaghetti straps, a wrap front V neckline with ruched detailing, a square back, and a floor sweeping silhouette with a thigh high front slit. The velvet fabric offers a form hugging fit and moderate 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: 05002-0168

    Category Name: Long Wedding Guest Dresses

    Price: $19.97

    Availability: Out of Stock

    Product Badge:
    • Sale
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  • Francie Formal Satin Slit Drape Dress

    Special Occasion

    Francie brings the old Hollywood glamour to life! She features a classic, sleeveless, cowl neckline, spaghetti straps, and a form-fitting silhouette with a side ruched seam atop a sultry high-cut slit. Create a dramatic entrance in her side draped accent along the floor-length hem. The formal dress is composed of a stretch-satin fabric with a luxe shine. Complete the look in statement earrings and a clutch.

    Fit & Features

    • Sleeveless, cowl neckline, spaghetti straps
    • Bra-friendly design
    • Form-fitting silhouette
    • Side ruched seam, high-cut slit, side draping
    • Floor-length hem
    • Luxe stretch-satin fabric 
    • Fits true to size

    Style Number/Barcode: 05002-2274

    Category Name: Long Wedding Guest Dresses

    Price: $14.97

    Availability: Out of Stock

    Product Badge:
    • Sale
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  • Henley Formal One Shoulder Glitter Dress

    Special Occasion

    Make a glitzy impression in a formal dress that illuminates your evening! Henley features a one-shoulder neckline with a bow accent strap for added detail and a mermaid curve-defining silhouette. The dress is composed of a glitter knit fabric that offers a moderate stretch. Complete look with a rhinestone anklet and earrings. 

    Fit & Features

    • One-shoulder neckline, adhesive bra recommended
    • Shoulder strap with bow accent
    • Mermaid silhouette
    • Glitter knit fabric 
    • Form hugging fit, moderate stretch 
    • Runs true to size

    Style Number/Barcode: 05002-1510

    Category Name: Long Wedding Guest Dresses

    Price: $14.97

    Availability: Out of Stock

    Product Badge:
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  • Anya Formal Strappy Open-Back Mermaid Dress

    Special Occasion

    Simply chic, the Anya strappy open-back mermaid dress will turn heads at your next formal event. Designed with a sleek and stretchy knit fabric, she features a sleeveless cowl neckline, spaghetti straps, an alluring open back with a cross-back strappy design, lower back ruching to accentuate your curves, and a floor-length hem with a stunning mermaid silhouette. Style this formal long dress with dainty duster earrings for a subtle hint of glamour.

    Fit & Features

    • Sleeveless cowl neckline, spaghetti straps
    • Open back, cross-back strappy design, lower back ruching
    • High waist seam
    • Floor-length hem, mermaid silhouette
    • Sleek knit fabric, knit lining at the bust, plenty of stretch
    • Sticky bra or pasties recommended
    • Runs true to size

    Style Number/Barcode: 05002-7820

    Category Name: Long Wedding Guest Dresses

    Price: $69.90

    Availability: In Stock

    Available Color: SAGE

    Available Size: XS, S, M, L

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  • Alaia Glitter Mesh Mermaid Dress

    Special Occasion

    Get in a glitzy and glamorous mood in the Alaia glitter mesh mermaid dress. She features a sleeveless one-shoulder neckline with a chic bow accent, a fitted high waist seam, and a floor-length, curve-hugging, mermaid silhouette. The sheer glitter mesh fabric includes a full knit lining. Complete the look with rhinestone statement earrings.

    Fit & Features

    • Sleeveless one-shoulder neckline, bow accent
    • Strapless or adhesive bra recommended
    • High waist seam
    • Floor-length, form-fitting, mermaid silhouette
    • Sheer glitter mesh fabric, full knit lining
    • Moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-2253

    Category Name: Long Wedding Guest Dresses

    Price: $19.97

    Availability: Out of Stock

    Product Badge:
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  • Elaine Formal Velvet A-Line Dress

    Special Occasion

    Luxurious velvet becomes more enchanting on the Elaine formal dress perfect for bridesmaids or red carpet events! She makes jaw drops in her sleeveless cowl neckline, spaghetti straps, empire waist seam, and a flattering a-line silhouette showcasing a sexy high-cut slit along the floor-length hem. The formal dress is composed of a luxe velvet knit fabric with lining and moderate stretch. Complete the look by accessorizing with a glam hair accessory to create a flawless updo!

    Fit & Features

    • Sleeveless cowl neckline, spaghetti straps
    • Empire waist seam
    • A-line silhouette
    • High-cut front slit, floor-length hem
    • Lined velvet knit fabric, moderate stretch
    • Strapless or sticky bra recommended
    • Runs true to size

    Style Number/Barcode: 05002-6913

    Category Name: Long Wedding Guest Dresses

    Price: $29.97

    Availability: Out of Stock

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  • Jayden Satin Mermaid Formal Dress

    Special Occasion

    Make heads turn in our stunningly chic Jayden dress! She features an off the shoulder slight sweetheart neckline with padded cups, short sleeves, a back zipper closure and hook and eye closure, a high waist seam, and a fitted, curve hugging skirt with a floor length mermaid silhouette. Dress is composed of a stretchy satin fabric with a gorgeous sheen.

     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: 05002-0175

    Category Name: Long Wedding Guest Dresses

    Price: $14.97

    Availability: Out of Stock

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  • Serenity Ruched Satin Formal Dress

    Special Occasion

    Oh-so-chic and stunning, captive them all in the Serenity satin formal dress. She features a sleeveless cowl neckline, spaghetti straps, an open back with a cross-back lace-up strappy design, a high waist seam, front ruched detailing leading to a high front slit, and a flowy, floor-length, A-line silhouette. The smooth satin fabric offers a moderate stretch. Complete the look in this sleek long dress with rhinestone duster earrings.

    Fit & Features

    • Sleeveless cowl neckline, adjustable spaghetti straps
    • Open back, cross-back lace-up strap design, tie closure
    • High waist seam, front ruching, adjustable drawstring
    • Lower back zipper, hook and eye closure
    • High front slit, floor-length A-line silhouette
    • Satin fabric, moderate stretch
    • Sticky bra or pasties recommended
    • Runs true to size

    Style Number/Barcode: 05002-2501

    Category Name: Long Wedding Guest Dresses

    Price: $9.97

    Availability: Out of Stock

    Product Badge:
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  • Cindy Formal Satin V-Neck Long Dress

    Special Occasion

    Designed in luxe shiny satin, the Cindy formal dress is an absolute stunner for your next dressy event! She features a sultry, sleeveless V-neck halter atop a banded empire waistline that leads to her long-length hem with a front slit. Her open-back showcases plenty of skin with sleek bungee spaghetti straps that create a head-turning moment. The formal dress is composed of a satin-lined fabric with a minimal stretch and zipper closure. Complete the look in statement heels and jewelry.

    Fit & Features

    • Sleeveless, V-neck halter, sleek bungee spaghetti straps
    • Built-in padded bust, no bra required
    • Banded empire waist
    • Open-back, ruched bum seam, zipper closure
    • Front slit, long-length hem
    • Luxe satin-lined fabric, minimal stretch
    • Runs true to size

    Style Number/Barcode: 05002-2369

    Category Name: Long Wedding Guest Dresses

    Price: $9.97

    Availability: Out of Stock

    Product Badge:
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  • Jerry Cross Back Draped Gown

    Special Occasion

    Sultry and sophisticated, our slinky Jerry gown ups the ante on evening elegance. She features spaghetti straps leading to an X back, a deep V wrap bodice with drape detail, a back zip, and a long, slim-line skirt. Jerry is made from a nylon blend with ample stretch for making moves!

    Model is 5'7" with a 34" bust, 24" waist and 36" hips. She is wearing a size small.

    Special Occasion products cannot be returned to any retail locations.

    Style Number/Barcode: 05002-0329

    Category Name: Long Wedding Guest Dresses

    Price: $36.97

    Availability: Out of Stock

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  • Aliyah Strapless Mermaid Satin Glitter Dress

    Special Occasion

    Ensure a memorable entrance and exit in the Aliyah satin glitter formal dress at weddings or black-tie soirees! The dreamy long dress is crafted from shimmering satin glitter fabric, making you feel like a goddess! She boats a strapless neckline with a pleated bodice and flexible boning to accentuate your curves, while the front ruched seam adds a touch of elegance. The mermaid silhouette and floor-length hem will bring the drama to your formal affair. Complete the look with gemstone earrings, a bracelet, and heels for a stunning evening.

    Fit & Features

    • Satin glitter fabric with lined bust, moderate stretch
    • Strapless neckline
    • Pleated bodice with flexible boning
    • Back zipper with hook and eye closure
    • Front ruched seam, high slit
    • Mermaid silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8193

    Category Name: Long Wedding Guest Dresses

    Price: $29.97 - $69.90

    Some variants are on sale!

    Availability: In Stock

    Available Color: LAVENDER, HUNTER, NAVY

    Available Size: XS, S, M, L

    Product Badge:
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  • Darcy Formal Ruffled High-Low Mermaid Dress

    Special Occasion

    The Darcy formal high-low dress is ready to salsa at weddings and formal parties! She features a square neckline, adjustable spaghetti straps, a form-hugging mermaid silhouette, and a bonded ruffled high-low hem that creates a dramatic finish! The formal dress is crafted from smooth knit fabric with a bust knit lining and moderate stretch. Complete the look with earrings and block heels.

    Fit & Features

    • Sleeveless square neckline
    • Adjustable spaghetti straps
    • Back zipper and hook-eye closure
    • Mermaid silhouette, high-low bonded ruffled hem
    • Smooth knit fabric, bust knit lining, moderate stretch
    • Strapless bra or sticky bra recommended
    • Runs true to size

    Style Number/Barcode: 05002-7729

    Category Name: Long Wedding Guest Dresses

    Price: $9.97

    Availability: Out of Stock

    Product Badge:
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  • Cassie Formal Satin Lace-Up Mermaid Dress

    Special Occasion

    Capture all the glances as you stride into the room in the oh-so-gorgeous Cassie formal satin mermaid dress. She features a sleeveless square neckline with a built-in padded bust, thin tank shoulder straps, an open back with cross-back straps that lead to a chic lace-up design for a snatched look, a hip-hugging fit, and a floor-sweeping hem with a stunning train and a mermaid silhouette. The silky-smooth satin-knit fabric will give off a chic sheen. Style with rhinestone statement earrings for your next black-tie gala.

    Fit & Features

    • Sleeveless square neckline, padded bust, thin tank shoulder straps
    • Open back, cross-back straps, lace-up design, tie closure, lower back zipper, hook and eye closure
    • High waist seam, hip-hugging fit
    • Floor-sweeping hem with a train, mermaid silhouette
    • Satin-knit fabric, knit lining at the bust, moderate stretch
    • Bra optional
    • Runs true to size

    Style Number/Barcode: 05002-6956

    Category Name: Long Wedding Guest Dresses

    Price: $19.97

    Availability: Out of Stock

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  • Kaori Floral Sequins Formal Dress
    Special Occasion

    Dazzle through the night in our elegant Kaori black sequin floral dress! She features a deep V neckline, double narrow shoulder straps, a plunging back with lace up straps, an exposed back zipper closure, a high leg slit, and a rose gold floral sequin design. Dress is composed of a lined mesh fabric that offers minimal stretch. 

    Special Occasion products cannot be returned to any retail locations.

    Style Number/Barcode: 05002-6073

    Category Name: Long Wedding Guest Dresses

    Price: $29.97

    Availability: Out of Stock

    Product Badge:
    • Clearance
    • Full Price