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 Made for a Grand Entrance
Long Wedding Guest Dresses bring the drama for fall and winter weddings with sweeping lengths, elegant shapes, and luxe details made for celebrating. From flowing A-line dresses to sleek column and curve-defining designs, Windsor’s collection gives you plenty of ways to go long for formal receptions, holiday weddings, and every dressed-up RSVP this season.
Long Silhouettes from Flowing to Fitted
The best long dresses for wedding guest style balance the impact of the length with a silhouette that feels like you. A-line dresses create graceful movement, while fitted and column shapes offer a sleeker profile. Mermaid Wedding Guest Dresses contour through the bodice and hips before flaring toward the hem for a more dramatic finish.
Modern details give these silhouettes even more personality. Corset bodices and lace-up backs can add structure or adjustability, while ruching and ruffles bring texture and dimension. Cowl, halter, off-the-shoulder, square, V-neck, and sweetheart necklines give you different ways to frame your look.
Floor-Length Wedding Guest Dresses Made to Move
Floor-Length Wedding Guest Dresses may bring the drama, but they should still let you enjoy the celebration. Front, side, or back slits give a long skirt more freedom of movement while creating a stylish reveal of your heels. They can also make the silhouette come alive as you walk, dance, and capture those must-post photos from the celebration.
For a little less length, explore mid-length wedding guest dresses when you want an elevated look that puts more focus on your shoes.
Why Choose a Long Dress for a Fall or Winter Wedding?
Long silhouettes are a natural choice for cooler-season weddings when you want more coverage without giving up a dressed-up look. Satin and lace can transition beautifully through fall, while velvet brings richer texture as winter arrives. Glitter, sequins, rhinestones, and beaded details dial up the festive mood for holiday and New Year’s Eve weddings.
For colder celebrations where you want more arm coverage, long sleeve formal dresses offer another season-ready option. If the invitation calls for an especially elevated dress code, explore formal wedding guest dresses for styles suited to black-tie celebrations.
What Is the Best Long Dress for a Wedding Guest?
Start with the dress code, then consider the venue and overall vibe of the wedding. A flowing A-line dress can complement an outdoor or rustic setting, while a sleek column or mermaid silhouette can match the polished mood of an elegant indoor or city celebration. For formal weddings, look to floor-length styles in luxe fabrics or with refined embellishments to meet the dressier moment.
From softly flowing shapes to fitted statement styles, Windsor’s Long Wedding Guest Dresses give you elegant options for fall, winter, holiday, and New Year’s Eve celebrations.
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Bentley Wrap-Front Formal Dress
Special Occasion
Simple yet so chic, the Bentley wrap-front dress is perfect for any formal occasion. She features a sleeveless on-trend cowl neckline, adjustable spaghetti straps for a customized fit, a high waist seam, a wrap-front design with a high front slit, and a flowy floor-length A-line silhouette. The dress is composed of a crepe fabric that offers a moderate stretch. Complete the look with a statement cuff and a sleek clutch.
Fit & Features
- Sleeveless cowl neckline, adjustable spaghetti straps
- Strapless or adhesive bra recommended
- Back zipper, hook and eye closure
- High waist seam, wrap-front design, high slit
- Floor-length A-line silhouette
- Crepe fabric
- Flowy fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2035
Category Name: Long Wedding Guest Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Plus Briar Formal Off The Shoulder Dress
Special Occasion
Bring the charm to your evening as you captivate them all in our Briar dress! She features an off the shoulder neckline, a sweetheart bust with padded cups, princess seams and shoulder strap accents. Her slim fit bodice leads to a flaring twirl worthy mermaid silhouette with godet accents. She is composed of a lined crepe fabric that offers a form hugging fit with a moderate stretch. Includes a back zipper closure with a fish hook clasp.
*Web exclusive - online returns only*
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 15002-0083
Category Name: Long Wedding Guest Dresses
Price: $40.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kassidy Formal Flocked Velvet Dress
Special Occasion
Swirls of flocked velvet lines make their mark on the Kassidy formal long dress to make your breathtaking entrance at fancy soirees! She captivates in a plunge V-neckline with pleat detailing, sheer puff sleeves and back, and an empire waistband that leads to her a-line silhouette with a sultry front high-cut slit. The formal dress is composed of a sheer mesh overlay with a flocked velvet scroll pattern, a sewn-in knit lining, and no stretch. Style with chandelier earrings and metallic heels to complete the look!
Fit & Features
- Plunge V-neckline, pleat detailing
- Sheer puff sleeves and back
- Empire waistband, back zipper and hook-eye closure
- A-line silhouette, front high-cut slit, floor-length hem
- Sheer mesh overlay, flocked velvet scroll pattern, sewn-in knit lining
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7233
Category Name: Long Wedding Guest Dresses
Price: $19.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Elia High Slit Floral Crepe Mermaid Dress
Special Occasion
Floral beauty meets a stunning silhouette in the Elia high slit floral crepe mermaid dress, perfect for formal spring and summer parties! The crepe fabric is detailed with a gorgeous floral bouquet print and a full-length smooth knit lining. She features a sleeveless sweetheart neckline with a built-in padded bust and a chic corset-style bodice with structured underwire and flexible boning. Her adjustable spaghetti straps offer a customized fit, leading to a secure back zipper closure. Her floor-length mermaid fit is accented with a high-cut front slit to showcase some leg. Complete the look with dainty duster earrings.
Fit & Features
- Floral printed crepe fabric with knit lining, moderate stretch
- Sleeveless sweetheart neckline, padded bust
- Corset bodice, underwire and boning, high waist seam
- Adjustable spaghetti straps, back zipper with hook and eye closure
- High front slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-7955
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: In Stock
Available Color: BLUE
Available Size: XS
Product Badge:- Sale
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Ashlie Velvet Burnout Lace-Up Formal Dress
Special Occasion
A gown designed to steal the spotlight, the Ashlie velvet burnout mermaid dress drapes in a soft cowl neckline and flows into a high front slit that moves with every step. The lace-up open back adds the perfect balance of allure and drama.
Fit & Features
- Velvet burnout pattern, mesh fabric, stretch knit lining
- Cowl neckline, padded bra cups
- Adjustable spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- Side ruched seams
- High front slit, mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Black-tie weddings, formal receptions, red-carpet events, galas, holiday soirees, engagement parties, formal celebrations
Style Number/Barcode: 05002-000310
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, L, XL
Product Badge:- Ships Free
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Enya Formal Satin High Slit Dress
Special Occasion
Stun from the moment you walk in with a dress that highlights your elegant style. The dress features a sleeveless cowl neckline, sleek spaghetti straps that lead to a cross-back design, an asymmetrical high side slit with a ruched drawstring, and an A-line silhouette. The dress is composed of a satin fabric that offers a form-hugging fit with minimal stretch. Complete look with rhinestone heels and a satin clutch.
Fit & Features
- Sleeveless cowl neckline
- Sleek spaghetti straps
- Cross-back straps
- Asymmetrical high side slit
- Ruched drawstring, A-line silhouette
- Satin fabric
- Form hugging fit runs true to size
Style Number/Barcode: 05002-1304
Category Name: Long Wedding Guest Dresses
Price: $14.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Courteney Cowl Neck Mermaid Satin Formal Dress
Special Occasion
The Courteney satin formal dress knows how to leave every room breathless at galas, weddings, and banquets! She features a cowl neckline and spaghetti straps frame her flattering bodice, while the crisscross back adds a touch of flirty. The side pleated seams and mermaid silhouette hug your curves as the satin fabric cascades into a striking floor-length hem. Complete the look with rhinestone earrings and heels.
Fit & Features
- Silky satin fabric, slight stretch
- Spaghetti straps
- Side pleated seams
- Mermaid silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8108
Category Name: Long Wedding Guest Dresses
Price: $19.97 $62.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Reese Formal Layered Chiffon Dress
Special OccasionMake an ethereal entrance as you leave them breathless in our Reese dress! She features a blue hue, a plunging V neckline with wide shoulder straps and an empire waist accent. Her relaxed fit bodice leads to a sweeping floor length silhouette that is accented with a high side slit. Dress is composed of a double lined chiffon fabric that offers a form hugging fit with a minimal stretch.
Model is 5'9" with a 34" bust, 24" waist and 34.5" hips. She is wearing a size small.Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6507
Category Name: Long Wedding Guest Dresses
Price: $24.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Lane Halter Strappy Lace Mermaid Formal Dress
Special Occasion
Set to stun at any formal soiree, the Lane lace formal dress captivates every eye with its beauty! This dress boasts a sultry halter plunge neckline atop a curve-hugging mermaid silhouette, while the low strappy back turns heads.
Fit & Features
- Lace-lined fabric
- Halter plunge neckline with bar strap accents, padded bra cups
- Low strappy back, zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie parties, galas, fancy dinner parties, formal celebrations, cocktail soirees, date night
Style Number/Barcode: 05002-000215
Category Name: Long Wedding Guest Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Denise Formal Satin Twist Long Dress
Special Occasion
The Denise formal dress showcases a sultry twist on a classic silhouette! A stunning style for homecoming or dinner banquets. She features a sleeveless twist neckline, with an underbust cutout, sleek spaghetti straps, a slim form-hugging silhouette, and a back center slit along the floor-length hem. The formal dress is composed of a buttery smooth silky satin fabric with minimal stretch. Complete the look with an embellished clutch and heels.
Fit & Features
- Sleeveless twist neckline, underbust cutout
- Spaghetti straps
- Curve-hugging, slim silhouette
- Center back slit, floor-length hem
- Silky satin fabric, minimal stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7094
Category Name: Long Wedding Guest Dresses
Price: $9.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kassie Formal Crepe Side Slit Dress
Special Occasion
Keep it sleek and stunning in the Kassie formal dress perfect for cocktail soirees and dressy engagement parties! She features a sleeveless square neckline, spaghetti straps, a pleated side seam along her bodice, and a form-hugging slim silhouette with a sexy high-cut side slit and long-length hem. The formal dress is composed of a lined crepe fabric with plenty of stretch. Style with a glam jewelry set and platform heels to complete the look!
Fit & Features
- Sleeveless square neckline, spaghetti straps
- Pleated side seam along the bodice
- Form-hugging, slim silhouette
- High-cut side slit, long-length hem
- Lined crepe fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-6804
Category Name: Long Wedding Guest Dresses
Price: $9.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Helena Floral Velvet Burnout Mermaid Dress
Special Occasion
Sleek, sultry, and so on-trend—the Helena floral velvet burnout mermaid dress pairs a fitted bodice with a lace-up back for a look that’s both chic and daring. Perfect for those nights when you’re not just attending, you’re owning the moment.
Fit & Features
- Sheer mesh fabric with full-length knit lining
- Floral velvet burnout pattern
- Sleeveless scoop neckline, underbust seam
- Adjustable spaghetti straps
- Open lace-up back design, lower back ruching, zipper with hook-eye closure
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Formal weddings, black-tie affairs, dinner parties, or romantic date nights.
Style Number/Barcode: 05002-000201
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: Out of Stock
Product Badge:- Ships Free
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Zara Formal Rose Chiffon Dress
Special OccasionCreate a twirl worthy moment in our enchanting Summer dress! She features a plunging wrap V neckline, adjustable narrow straps, an open back design and a pretty tie-waist belt. Her slim fit bodice leads to a sweeping floor length silhouette to grace each step. Her over floral print pattern features a pretty blue hue. Dress is lined with a smooth knit fabric and includes an additional mini skirt length knit lining. Garment is composed of a lined sheer chiffon fabric that offers a relaxed fit with minimal stretch.
Model is 5'9" with a 32" bust, 23" waist and 34.5" hips. She is wearing a size small.Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6342
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Mandy Lace-Up Slit Mermaid Sequin Formal Dress
Special Occasion
Glitter with glamour in the Mandy sequin formal dress designed with a lace-up back that captures attention and a stunning mermaid silhouette that flaunts your figure.
This dazzling dress was made for the spotlight! Love the shimmer? Discover more sequin prom dresses or find a sophisticated look in our wedding guest dresses.
Fit & Features
- Sheer mesh fabric with full-length knit lining, moderate stretch
- Sequin embroidered floral pattern
- Sleeveless square neckline, pleated cowl draped overlay
- Spaghetti straps, open lace-up strappy back design
- Flexible boning, high waist seam, lower back zipper with hook-eye closure
- High front slit, floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Prom, weddings, and formal parties.
Style Number/Barcode: 05002-9395
Category Name: Long Wedding Guest Dresses
Price: $49.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Camille Formal Satin Caged Dress
Special Occasion
Serve elegant looks from the front and sexy allure from the back! The Camille formal dress brings a show-stopping design to your next fancy event or summer gala. She features a sleeveless, V-neckline, adjustable spaghetti straps, princess seam details along her fitted bodice, and a sultry low-cut open back with caged straps. Her form-fitting mermaid silhouette highlights every curve and elongates your figure thanks to her floor-sweeping hem. The formal dress is composed of silky smooth satin fabric with lining and a moderate stretch. Complete your dressy look in a stunning hair accessory and clutch.
Fit & Features
- Sleeveless, V-neckline, adjustable spaghetti straps
- Adhesive bra recommended
- Princess seams, fitted bodice, high waist seam
- Low-cut open back, caged straps
- Form-fitting, mermaid silhouette, floor-length hem
- Silky satin fabric, lined, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2310
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Adler Formal Metallic Sparkle A-Line Dress
Special Occasion
Adler brings out-of-this-world glam in her stunning metallic sparkle fashioned on a figure-flattering silhouette! She features a chic sleeveless square neckline, adjustable spaghetti straps, and a ruched waist that leads to the flowy, A-line, floor-length silhouette with a front slit on the inner lining. Catch the dance floor lights in her metallic mesh overlay with an inner lining and minimal stretch. Complete the look with a sleek clutch.
Fit & Features
- Sleeveless, square neck, adjustable spaghetti straps
- Strapless or adhesive bra recommended
- Ruched waist, back zipper, hook and eye closure
- Flowy, A-line silhouette, inner lining has front slit
- Floor-length hem
- Metallic mesh overlay, inner lining, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-2170
Category Name: Long Wedding Guest Dresses
Price: $19.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Verona Formal One Shoulder Ruched Dress
Special Occasion
Make a timeless entrance with a formal dress that enchants! Verona features a one-shoulder neckline, a supportive tank shoulder strap, a ruched body, and a mermaid silhouette. The dress is composed of a lined satin fabric that offers a form hugging fit with a slight stretch. Complete look with rhinestone heels and a rhinestone headband.
Fit & Features
- One-shoulder neckline
- Tank shoulder strap
- Ruched body
- Mermaid silhouette
- Satin fabric
- Form hugging fit, slight stretch
- Runs true to size
Style Number/Barcode: 05002-1431
Category Name: Long Wedding Guest Dresses
Price: $8.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Laurel Formal Satin Tie-Back Mermaid Dress
Special Occasion
The perfect evening starts with the Laurel formal satin dress to create a breathtaking entrance as a bridesmaid, wedding guest, or at a red carpet event! She features a classic sleeveless cowl neckline, adjustable spaghetti straps, an open back with a tie-back design, and a side pleated seam that creates her mermaid wrap-style silhouette with an asymmetrical slit and floor-length hem. The formal long dress is composed of a luxurious silky satin-lined fabric with minimal stretch. Complete the look in platform block heels.
Fit & Features
- Sleeveless cowl neckline, adjustable spaghetti straps
- Open back, tie-back design, zipper and hook-eye closure
- Side pleated seam, mermaid wrap-style silhouette
- Asymmetrical front slit, floor-length hem
- Lined luxe satin fabric, minimal stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7025
Category Name: Long Wedding Guest Dresses
Price: $39.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Regina Lace-Up Mermaid Sequin Mesh Formal Dress
Special Occasion
The Regina sequin formal dress is the head-turning gown you're after for prom or upscale birthdays! Crafted from a sequin pattern mesh fabric that adds a touch of glamour to any formal event. She boasts a flattering scoop neckline and padded bra cups for support, while spaghetti straps and a lace-up back add a touch of sophistication. The mermaid silhouette and high front slit create a dramatic effect, perfect for making a statement along the floor-length hem. Complete the look with a clutch and heels.
Fit & Features
- Sequin pattern, mesh fabric lined with stretchy knit
- Padded bra cups
- Spaghetti straps
- Lace-up, back zipper and hook-eye closure
- High front slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8081
Category Name: Long Wedding Guest Dresses
Price: $59.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Elianna Off-The-Shoulder Glitter Formal Dress
Special Occasion
Shimmer with every step in the gorgeous and glam Elianna glitter formal dress! She features an off-the-shoulder sweetheart neckline, short fold-over straps with a short draped overlay at the back, a floor-length, curve-hugging silhouette, and a thigh-high side slit to showcase your heels. The glitter knit fabric has the prettiest sparkle and offers moderate stretch. Complete the look with rhinestone hoops.
Fit & Features
- Off-the-shoulder sweetheart wired neckline
- Strapless or sticky bra recommended
- Short fold-over straps, short draped overlay at the back
- High waist seam
- Floor-length hem, form-hugging fit
- High side slit
- Glitter knit fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2527
Category Name: Long Wedding Guest Dresses
Price: $39.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Cassandra Lace-Up Wrap Mermaid Satin Formal Dress
Special Occasion
A special evening begins in the Cassandra satin formal dress with a lace-up back and mermaid silhouette to make you fall in love!
With a smooth, luminous finish, this dress was made to shine. Keep the luxe look going with breathtaking satin prom dresses or go for a sophisticated statement with our wedding guest dresses.
Fit & Features
- Stretch satin fabric
- Cowl sweetheart neckline
- Spaghetti straps
- Lace-up back
- Mermaid wrap silhouette
- High slit, floor-length hem
- Runs true to size
Where to Wear:
Prom, black-tie parties, weddings, and galas.
Style Number/Barcode: 05002-9522
Category Name: Long Wedding Guest Dresses
Price: $14.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Isabella One-Shoulder Ruffle Slit Formal Dress
Special Occasion
Capture all the attention in the Isabella long formal dress showcasing a ruffled high side slit for effortless movement and a bodycon silhouette that flaunts your curves!
This dress is all about movement and flair. Want more standout designs? Discover our eye-catching ruffle prom dresses or embrace an elevated style with our guest dresses.
Fit & Features
- Smooth knit fabric, moderate stretch
- One-shoulder neckline
- Partial open back
- Ruffled high-side slit
- Bodycon silhouette
- Long-length hem
- Runs true to size
Where to Wear:
Prom, formal parties and events
Style Number/Barcode: 05002-000269
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Colleen Lace Up Mermaid Glitter Formal Dress
Special Occasion
Steal the dancefloor with glamorous intrigue in the Collen mermaid glitter formal dress at weddings and parties! Dazzling glitter knit fabric shimmers in the light as you walk, while the mermaid silhouette flatters your figure. A cowl neckline, padded bra cups, and lace-up back add sophisticated touches to this floor-length stunner. Complete the look with a necklace and heels.
Fit & Features
- Glitter knit fabric lined with stretchy knit
- Spaghetti straps
- Padded bra cups
- Lace up
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8471
Category Name: Long Wedding Guest Dresses
Price: $15.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Esme Slim-Fit Corset Formal Dress
Special Occasion
Classic and chic with a hint of sultriness, the Esme formal dress will catch all the glances! She features a square neckline, a fitted corset-designed bodice with flexible boning to provide structure, short cap sleeves, a high waist seam, an asymmetric floor-length hem creating a thigh-high side slit, and a slim-fit silhouette. The crepe fabric offers a moderate stretch. Complete the look with rhinestone statement earrings.
Fit & Features
- Square neckline, fitted corset bodice, flexible boning inserts
- Short cap sleeves, back zipper, hook and eye closure
- High waist seam, asymmetric floor-length hem, high side slit
- Slim-fit silhouette
- Crepe fabric, moderate stretch
- Bra-friendly design
- Runs true to size
Style Number/Barcode: 05002-7162
Category Name: Long Wedding Guest Dresses
Price: $9.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale