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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LONG WEDDING GUEST DRESSES
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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.

  • Whittney Lace-Up Rhinestone Satin Formal Dress

    Special Occasion

    You'll be a showstopper in the Whittney rhinestone satin long formal dress at prom or fancy birthday parties! Crafted from a silky satin fabric that feels luxurious against your skin and embellished with mini rhinestones, this formal gown highlights your curves in a stunning mermaid silhouette. She boasts a square neckline adorned with spaghetti straps creating the lace-up back that lets you customize the style while the high front slit flaunts your shoes of the night along the floor-length dress. Complete the look in metallic platform heels and jewelry to elevate this formal dress!

    Fit & Features

    • Satin fabric lined with knit
    • Mini rhinestone embellishments
    • Lace-up back, lower zipper with hook and eye closure
    • High front slit
    • Mermaid silhouette
    • Sticky bra recommended
    • Runs true to size

    Style Number/Barcode: 05002-8270

    Category Name: Long Wedding Guest Dresses

    Price: $19.97 $99.90

    On Sale: Yes

    Availability: In Stock

    Available Color: GOLD, SAGE

    Available Size: XS, S, M, L

    Product Badge:
    • Sale
  • Dorothea Formal Sequin Mermaid Dress

    Special Occasion

    Shine bright like the stars in your eyes in the Dorothea formal sequin dress for the prom and any red carpet affair! She features a classic, sleeveless, sweetheart neckline, sleek bungee spaghetti straps, and a built-in padded bust for a supportive fit. Flaunt your curves in her figure-loving, mermaid silhouette with a sultry high-cut front slit perfect for showcasing some skin on the floor-length hem. Complete your prom look with a glam clutch.

    Fit & Features

    • Sleeveless, sweetheart neckline, bungee spaghetti straps
    • Built-in padded bust, no-bra required
    • Back zipper closure
    • Form-fitting mermaid silhouette
    • High-cut front slit, floor-length hem
    • Sequin knit fabric
    • Fits true to size

    Style Number/Barcode: 05002-2336

    Category Name: Long Wedding Guest Dresses

    Price: $20.97 $99.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Clearance
  • Alessia Square Neck Slim Sequin Satin Formal Dress

    Special Occasion

    Dare to sparkle in the Alessia sequin satin formal dress at galas, prom, and fancy parties! Exquisitely crafted with countless sequins in a scroll pattern on luxurious satin fabric, this formal gown brings an enchanting presence. A sleeveless square neckline and adjustable spaghetti straps give you a flattering look, while the underbust seam creates an enhanced bust. Shine in the slim silhouette as the high side slit and long-length hem add a touch of elegance to your evening. Complete the look with a clutch and bracelets for a memorable evening out!

    Fit & Features

    • Sequin scroll pattern, satin fabric lined with stretchy knit
    • Adjustable spaghetti straps
    • Back zipper and hook-eye closure
    • High side slit
    • Slim silhouette
    • Runs true to size

    Style Number/Barcode: 05002-8409

    Category Name: Long Wedding Guest Dresses

    Price: $109.90

    Availability: In Stock

    Available Color: SAGE

    Available Size: XS, S

  • Jill Formal Mesh Bustier Slim Long Dress

    Special Occasion

    A sheer bustier-style bodice on the Jill formal dress snatches your figure to create a sexy look! She features a sweetheart neckline, adjustable spaghetti straps, a pleated built-in padded bust with underwire support, a sheer bodice with flexible boning inserts, and a flattering slim silhouette and high front slit along her floor-length hem. The formal dress is crafted from a mesh fabric for a refreshed dressy style and has a stretchy knit lining. Complete your look for black tie galas or celebrations with a stunning hair accessory.

    Fit & Features

    • Sleeveless sweetheart neckline
    • Adjustable spaghetti straps
    • Pleated built-in padded and underwire bust
    • Sheer bodice, flexible boning, back zipper and hook-eye closure
    • Slim silhouette, high front slit, floor-length hem
    • Mesh fabric, stretchy knit lining
    • Runs true to size

    Style Number/Barcode: 05002-7662

    Category Name: Long Wedding Guest Dresses

    Price: $69.90

    Availability: In Stock

    Available Color: PLUM

    Available Size: XS, S, M, L

  • Lana Sequin Mesh Formal Dress

    Special Occasion

    Showcase a gorgeous silhouette in the stunning Lana sequin mesh formal dress. She features a sleeveless square neckline, spaghetti straps, an open back with a lace-up strappy design for a customized fit, and a floor-length hem with a high front slit. The lined mesh fabric features all-over sequin embroidery in a chic scroll pattern. Style this dress with rhinestone duster earrings.

    Fit & Features

    • Sleeveless square neckline, no-slip strip
    • Padded bust, no bra required
    • Spaghetti straps, open back, lace-up strappy design, tie closure
    • High waist seam, lower back zipper, hook and eye closure
    • Floor-length hem, fitted silhouette, high front slit
    • Sheer mesh fabric, full knit lining, moderate stretch
    • Sequin embroidery, scroll pattern
    • Runs true to size

    Style Number/Barcode: 05002-2486

    Category Name: Long Wedding Guest Dresses

    Price: $9.97 $109.90

    On Sale: Yes

    Availability: Out of Stock

  • Carol Sleeveless Slit Mermaid Formal Dress

    Special Occasion

    Chic and sophisticated, the Carol mermaid formal dress brings the class to banquets and black-tie parties. The classic crepe fabric includes a full-length knit lining and offers moderate stretch. Adorned with a pleated square neckline that accentuates your curves, delicate spaghetti straps, and a sultry high front slit, this floor-length dress boasts a mermaid silhouette that will turn heads. Complete the look in sleek stiletto heels.

    Fit & Features

    • Crepe fabric with knit lining, moderate stretch
    • Spaghetti straps
    • Pleated square neckline
    • Mermaid silhouette
    • High front slit
    • Sticky bra or pasties recommended
    • Runs true to size

    Style Number/Barcode: 05002-8502

    Category Name: Long Wedding Guest Dresses

    Price: $59.90

    Availability: In Stock

    Available Color: BLACK

    Available Size: S, M

  • Lorelai Formal Glitter Long Dress

    Special Occasion

    Sparkly, shimmering glitter steals the scene on the Lorelai formal dress sure to dazzle the room! She features a sleeveless, cowl neck with sleek bungee spaghetti straps that lace up on her open-back design. Flaunt your hourglass in her form-fitting silhouette with a sultry slit for a show of leg along the floor-length hem. The formal dress is composed of a stretchy, glitter-knit lined fabric. Complete the look with a clutch purse to keep your party essentials close.

    Fit & Features

    • Sleeveless, cowl neck, bungee spaghetti straps
    • Adhesive bra recommended
    • Lace-up, open-back design
    • Form-fitting silhouette
    • Side slit, floor-length hem
    • Glitter-knit lined fabric, moderate stretch
    • Fits true to size

    Style Number/Barcode: 05002-2348

    Category Name: Long Wedding Guest Dresses

    Price: $19.97 $99.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Clearance
  • Amara Sequin A-Line Dress

    Special Occasion

    Sparkle up the night in the gorgeous Amara sequin formal dress that will be sure to have all eyes on you! She features a sleeveless rounded neckline with a padded bust, dual thin bungee straps that lead to an open back with a cross-back strappy design, and a fitted floor-length skirt with an A-line silhouette. The sheer mesh fabric is fully lined with a stretchy knit fabric and features an all-over intricate silver sequin embroidered design. Complete your formal night out look with embellished heels.

    Fit & Features

    • Sleeveless rounded neckline, dual thin bungee straps
    • Padded bust, no bra required
    • Open back, cross-back thin strappy design
    • Fitted floor-length skirt, A-line silhouette
    • All-over silver sequin embroidery
    • Sheer mesh fabric, full knit lining
    • Moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-2223

    Category Name: Long Wedding Guest Dresses

    Price: $19.97 $129.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Clearance
  • Plus Lucy Formal High Slit Dress
    Special Occasion 

    Make an elegant entrance in the ever enchanting Lucy dress! She features an off the shoulder neckline with strap accents, a wired sweetheart bust, a built in no slip strip and supportive padded cups. Her relaxed fit bodice leads to a sweeping floor length silhouette accented with  hidden side pockets and a high side slit. Dress is composed of a lined scuba knit fabric that offers a curve hugging fit with a moderate stretch. Includes an additional mini skirt length knit lining.

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

    Special Occasion products cannot be returned to any retail locations.

    Style Number/Barcode: 15004-0007

    Category Name: Long Wedding Guest Dresses

    Price: $29.97 $54.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • 50% Off
  • Ava Rhinestone Strap Slim Crepe Formal Dress

    Special Occasion

    Comfort and glam make a marvelous pair on the Ava crepe formal dress perfect for wedding guests, and banquets. Elevated by rhinestone embellished spaghetti straps and a chic slim silhouette, this formal long dress boasts a flattering square neckline and padded bra cups for support. The side pleated seam accentuates your curves and creates the high front wrap slit to show off your shoes. Complete the look with an elegant hair accessory, bracelet, and heels.

    Fit & Features

    • Crepe knit fabric with stretch
    • Rhinestone embellished spaghetti straps
    • Padded bra cups
    • Back zipper closure
    • Sim silhouette
    • High front wrap slit
    • Runs true to size

    Style Number/Barcode: 05002-8210

    Category Name: Long Wedding Guest Dresses

    Price: $44.90

    Availability: Out of Stock

  • Donna Formal Velvet Long Mermaid Dress

    Special Occasion

    Luxe velvet is the start of the show on the Donna formal dress designed to make jaws drop! Perfect for bridesmaids, school dances, and elegant soirees. She features a sleeveless square neck, a lightly padded bust, a stunning lace-up back, a mermaid silhouette, and a skin-flaunting high front slit along her floor-length hem. The formal dress is composed of a luxuriously soft velvet-lined knit fabric with a moderate stretch. Style with a sparkly clutch and earrings to complete the look.

    Fit & Features

    • Sleeveless square neck, spaghetti straps
    • Lightly padded bust
    • Lace-up back, zipper and hook-eye closure
    • Mermaid silhouette, front slit, floor-length hem
    • Lined velvet fabric, moderate stretch
    • No bra required
    • Runs true to size

    Style Number/Barcode: 05002-4540

    Category Name: Long Wedding Guest Dresses

    Price: $19.97 $59.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Meadow Formal Lace-Up Dress

    Special Occasion 

    Lace up in a formal dress that brings the elegance to your event! Meadow features a sleeveless square neckline, flexible boning for structure, spaghetti straps, a lace-up back design, and a mermaid silhouette with a wide banded hem. 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
    • Adhesive bra recommended 
    • Flexible boning
    • Lace-up back
    • High waist
    • Mermaid silhouette, lower back zipper closure
    • Lined crepe fabric 
    • Form hugging fit, moderate stretch, runs true to size

    Style Number/Barcode: 05002-2243

    Category Name: Long Wedding Guest Dresses

    Price: $19.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Clearance
  • Darcy Satin Corset Asymmetrical Slit Formal Dress

    Special Occasion

    Sashay into the party wearing the Darcy satin formal dress! She features a sultry, strapless asymmetrical neckline that leads to the corset-style bodice with flexible boning to provide support and structure the pleated empire waist. Flaunt a sexy show of leg in the high-cut side slit that effortlessly flows into a floor-length silhouette. Composed of a luxe, smooth satin-lined fabric with minimal stretch. Polish your radiate look off with sparkly heels and a rhinestone choker.

    Fit & Features

    • Strapless, asymmetrical neckline
    • Strapless or adhesive bra recommended
    • Corset-style bodice, flexible boning
    • Pleated empire waist, back zipper, hook and eye closure
    • High-cut side slit, floor-length hem
    • Luxe smooth lined-satin fabric, minimal stretch
    • Runs true to size

    Style Number/Barcode: 05002-1829

    Category Name: Long Wedding Guest Dresses

    Price: $19.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Clearance
  • Autumn Sequin Mesh Mermaid Dress

    Special Occasion

    Gorgeous and glam, the eye-catching Autumn sequin mesh formal dress will have you as the center of attention! She features a sleeveless one-shoulder neckline, a partially open back with a thin strappy design, a lower back cutout, and a floor-length, fitted mermaid silhouette with a sexy thigh-high front slit. Style this dress with rhinestone statement earrings and chic heels.

    Fit & Features

    • Sleeveless one-shoulder neckline
    • Padded cups
    • Partially open back, thin strappy design
    • Lower back cutout
    • Floor-length mermaid silhouette, high front slit
    • Sequin adorned mesh fabric
    • Runs true to size

    Style Number/Barcode: 05002-1616

    Category Name: Long Wedding Guest Dresses

    Price: $31.97 $84.90

    On Sale: Yes

    Availability: Out of Stock

  • Marianne Pleated Sweetheart Dress
    Special Occasion

    Our Marianne dress brings sweet and sophisticated to your next social event. She features a strapless deep sweetheart neckline with boning detail, a straight back with exposed zipper closure, a wrap bodice with pleated details that flatter any body type, and a slim, floor-length skirt with a high side leg slit. Marianne is composed of a stretchy mauve crepe fabric. 

    Model is 5'6.5 with a 32" bust, 23.5" waist and 35" hips. She is wearing a size small.

    Special Occasion products cannot be returned to any retail locations.

    Style Number/Barcode: 05002-6688

    Category Name: Long Wedding Guest Dresses

    Price: $19.97 $64.90

    On Sale: Yes

    Availability: Out of Stock

  • Frances Formal Velvet Off The Shoulder Dress

    Special Occasion

    Luxurious velvet creates an elegant holiday-party-ready look for the Frances formal dress! She features an off-the-shoulder neckline with short-sleeve cuffs, a sheer mesh underbust insert with flexible boning, and a flattering high front slit and mermaid silhouette that drapes effortlessly into her floor-length hem. The formal dress is composed of soft velvet that brings luxe vibes and has a bust lining. Complete the look with a glam choker and clutch for a black tie soiree!

    Fit & Features

    • Off-the-shoulder neckline, short-sleeve cuffs
    • Sheer mesh underbust insert, flexible boning
    • High front slit, mermaid silhouette
    • Floor-length hem
    • Soft velvet fabric, bust lining, moderate stretch
    • Strapless bra recommended
    • Runs true to size

    Style Number/Barcode: 05002-7595

    Category Name: Long Wedding Guest Dresses

    Price: $19.97 $74.90

    On Sale: Yes

    Availability: In Stock

    Available Color: BLACK

    Available Size: XS

    Product Badge:
    • Sale
  • Tristin Formal Crepe Floral Applique Mermaid Dress

    Special Occasion

    The Tristin formal crepe dress offers a fresh take on a classic silhouette! She features a lovely floral applique along her sleeveless sweetheart neckline and spaghetti straps, a built-in padded underwire bust that eliminates the need for a bra, a lace-up back design, and a figure-flattering mermaid silhouette, skin-baring high front slit, and floor-length hem. The formal dress is composed of a crepe knit fabric with plenty of stretch. Complete the look in this long dress with door-knocker earrings and simple heels for a wedding or fancy banquet!

    Fit & Features

    • Sleeveless sweetheart neckline, floral applique trim
    • Floral applique on spaghetti straps
    • Built-in padded underwire bust, no bra required
    • Back lace-up, lower zipper and hook-eye closure
    • Mermaid silhouette, high front slit, floor-length hem
    • Crepe knit fabric, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-7235

    Category Name: Long Wedding Guest Dresses

    Price: $29.97 $59.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Magnolia Formal Lace One Shoulder Mermaid Dress

    Special Occasion

    Sleek, stunning, and sexy, the Magnolia long formal mermaid dress has it all. She features a captivating sheer lace one-shoulder neckline with a fitted long sleeve, a cutout bust, and a flattering mermaid silhouette with a floor-length hem that flaunts your gorgeous curves! The formal dress is composed of smooth knit-lined fabric with a moderate stretch. Complete the look in rhinestone earrings for a black tie party!

    Fit & Features

    • Sheer lace one-shoulder neckline, fitted long sleeve
    • Cutout bust
    • Mermaid silhouette
    • Floor-length hem
    • Lined smooth knit fabric, moderate stretch
    • Strapless or sticky bra recommended
    • Runs true to size

    Style Number/Barcode: 05002-7490

    Category Name: Long Wedding Guest Dresses

    Price: $54.90

    Availability: In Stock

    Available Color: BLACK

    Available Size: XS, S

  • Dakota Velvet Lace Up Evening Gown

    Special Occasion 

    Steal the look of the night with the glamorous Dakota gown. She features a lightly padded chest, a V neckline, pockets, and spaghetti straps that lead to a back lace-up and tie closure, a leg slit and a floor-length design. Dakota is fully lined, has a little bit of stretch and is made from a classic velvet fabric. Dakota includes a built in panty lining.

    Model is 5'9" with a 34" bust, 24" waist and 35.5" hips. She is wearing a size small.

    Special Occasion products cannot be returned to any retail locations.

    Style Number/Barcode: 05002-0210

    Category Name: Long Wedding Guest Dresses

    Price: $47.97 $89.90

    On Sale: Yes

    Availability: Out of Stock

  • Tabetha Formal Sequin Strappy Mermaid Dress

    Special Occasion

    Covered in head-to-toe sequins, the Tabitha formal long dress knows how to make an entrance! Shine this season at school dances, weddings, and galas. Featuring a sleeveless V-neckline, lightly padded bust, bungee spaghetti straps that shape the strappy open-back detail, a form-hugging mermaid silhouette, and a floor-length hem. The formal maxi dress is composed of sparkling scroll sequin-embroidered mesh fabric with a stretchy knit lining. Style with chandelier earrings and a bracelet to complete the look.

    Fit & Features

    • Sleeveless V-neckline, lightly padded bust
    • Bungee spaghetti straps
    • Strappy open-back detail, lower zipper closure
    • Form-hugging, mermaid silhouette, floor-length hem
    • Sequin scroll embroidered mesh fabric, stretchy knit lining
    • Bra optional
    • Runs true to size

    Style Number/Barcode: 05002-6883

    Category Name: Long Wedding Guest Dresses

    Price: $49.97 $109.90

    On Sale: Yes

    Availability: Out of Stock

  • Maves Formal High Slit Mermaid Dress

    Special Occasion 

    Make an enchanting appearance in a formal dress that wows from the moment you enter the room! Maves features a sleeveless V-neckline, adjustable spaghetti straps, a row of criss-cross straps at back, and a sleek bar strap. The slim fit bodice leads to a form hugging mermaid silhouette that is accented with a dramatic high side slit. Complete look with rhinestone heels

    Fit & Features

    • Sleeveless V-neckline
    • Adjustable spaghetti straps
    • Criss-cross straps, bar strap
    • Mermaid silhouette
    • High side slit
    • Form hugging fit
    • Runs true to size 

    Style Number/Barcode: 05002-2236

    Category Name: Long Wedding Guest Dresses

    Price: $14.97 $89.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Monet Off Shoulder Evening Gown

    Special Occasion

    Introducing our Monet! She is sleek and sexy. She features a wired sweetheart neckline, satin off the shoulder sleeves and a form fitting silhouette. She is designed with vertical princess seams leading down to her flared floor length hem. Her back has a lace up detail as well as a zipper closure. She is composed of a crepe material that offers moderate stretch and her look finishes with a flattering high thigh side slit.

     

    Special Occasion products cannot be returned to any retail locations.

    Style Number/Barcode: 05002-0202

    Category Name: Long Wedding Guest Dresses

    Price: $36.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

  • Monica Lace-Up Formal Dress

    Special Occasion

    Create a stunning prom look that will capture attention in the sleek Monica formal dress! She features a sleeveless square neckline, spaghetti straps, a strappy lace-up back design, ruching at the lower back, and a fitted, floor-length silhouette. The smooth satin-knit fabric offers a moderate stretch for comfortable wear. Style this dress with chic stiletto heels.

    Fit & Features

    • Sleeveless square neckline, spaghetti straps
    • Adhesive bra recommended
    • Open back, strappy lace-up design, tie closure
    • High waist seam, lower back ruched detailing
    • Fitted, floor-length silhouette
    • Satin-knit fabric, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-2210

    Category Name: Long Wedding Guest Dresses

    Price: $19.97 $64.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Brie Formal One-Shoulder Mermaid Dress

    Special Occasion

    Chic and alluring, the Brie formal mermaid dress will draw all eyes to you. She features a sleeveless asymmetrical one-shoulder neckline with dual spaghetti straps, an open back with a strappy design, ruched detailing at the lower back, and a fitted, floor-length, mermaid silhouette. The smooth knit fabric offers plenty of stretch for comfortable wear. Style with classic stiletto heels for a formal soiree.

    This dress is the perfect pick for Prom 2023! Not exactly your style? You’ll love other prom dresses.

    Fit & Features

    • Sleeveless asymmetrical one-shoulder neckline
    • Adhesive bra recommended
    • Dual bungee spaghetti straps
    • Open back, strappy design, ruching at the lower back
    • High waist seam
    • Floor-length mermaid silhouette, form-hugging fit
    • Knit fabric, plenty of stretch
    • Runs true to size

    Style Number/Barcode: 05002-2311

    Category Name: Long Wedding Guest Dresses

    Price: $19.97 $64.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale