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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Candence Corset Mermaid Lace Formal Dress
Special Occasion
Dainty lace and delicate details create the Candence lace formal dress that will leave everyone breathless! Designed with a chic corset bodice that flatters your figure, along with the mermaid silhouette with a high front slit for effortless movement.
Fit & Features
- Lace fabric lined with stretchy knit
- Off-the-shoulder neckline, padded bra cups
- Corset bodice, flexible boning inserts, back zipper and hook-eye closure
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, garden parties, elegant soirees, formal celebrations
Style Number/Barcode: 05002-001611
Category Name: Long Wedding Guest Dresses
Price: $59.90
Availability: In Stock
Available Color: IVORY, BROWN
Available Size: XS, S, M, L, XL
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Hazel One-Shoulder Sequin Velvet Formal Dress
Special Occasion
The stunning and sultry Hazel sequin velvet formal dress will show off gorgeous glamour! She features a sleeveless one-shoulder neckline with an asymmetric cutout at the bust, a slim-fit silhouette, and an asymmetric floor-length hem creating a chic high side slit. The all-over sequin embroidery on the lined velvet fabric makes the dress all the more luxe. Complete your black-tie look in this long dress with a rhinestone clutch.
Fit & Features
- Sleeveless one-shoulder neckline
- Asymmetric bust cutout
- Back zipper, hook and eye closure
- Slim-fit silhouette
- Asymmetric floor-length hem, side slit
- Sequin embroidery, velvet fabric, knit lining, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7135
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Rory Formal Crepe Mermaid Dress
Special Occasion
Glamorous gala? Trying to stun at as a wedding guest? The Rory formal crepe dress exudes a posh and poised style for all of your events! She features a sleeveless sweetheart neckline, tank-style straps, and a form-hugging mermaid silhouette with a sexy high-cut front slit along the floor-length hem. The crepe fabric offers a moderate stretch. Style with strappy heels to complete the look!
Fit & Features
- Sleeveless sweetheart neck, tank-style straps
- Form-hugging, mermaid silhouette
- High-cut front slit
- Floor-length hem
- Crepe fabric, lined bust, moderate stretch
- Bra-friendly design
- Runs true to size
Style Number/Barcode: 05002-3787
Category Name: Long Wedding Guest Dresses
Price: $14.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Liliana Ruched Knit Formal Dress
Special Occasion
Make bold style moves in the Liliana long knit formal dress! She features a sleeveless cowl neckline, spaghetti straps that lead to a cross-back, lace-up design, a high waist seam, ruched side seams, and a curve-hugging, floor-length hem with an asymmetrical high side slit. The long dress is composed of a smooth stretchy knit fabric for comfortable wear. Complete the look with sleek stilettos.
Fit & Features
- Sleeveless cowl neckline, spaghetti straps
- Open back, cross-back straps, lace-up strappy design
- High waist seam, ruched side seams
- Fitted floor-length hem, asymmetrical side slit
- Stretchy knit fabric
- Form-hugging fit, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7133
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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Cynthia Satin Slit Formal Dress
Special OccasionSlip into something elegant yet seductive for your holiday party. Our stunning Cynthia dress is a satin beauty that is sure to impress! She features a plunging V neckline with a knot detail at the waist that leads to a wrap-like skirt with a high side slit. She also includes slim long sleeves and moderate stretch.
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: 05002-6190
Category Name: Long Wedding Guest Dresses
Price: $29.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kathleen Formal Satin Lace Back Long Dress
Special Occasion
The dress of your dreams! Kathleen stands out from the crowd in pure sophistication and grace. She features a sleeveless, cowl neck, sleek adjustable spaghetti straps, and an alluring X-back design with a romantic lace insert. Her slimming bodice creates a curvy appearance on the floor-length hem with a sultry side slit perfect for showcasing your legs. The formal dress is composed of silky-smooth satin with minimal stretch. Finish the look with a chic clutch.
Fit & Features
- Sleeveless, cowl neck, adjustable spaghetti straps
- Adhesive bra recommended
- X-back straps, lace insert, zipper, hook, and eye closure
- Slim-fit bodice, high side slit
- Floor-length hem
- Silky-smooth satin fabric, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-2133
Category Name: Long Wedding Guest Dresses
Price: $19.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Paityn Formal Off-The-Shoulder Sequin Dress
Special Occasion
Keep it stunning in a formal dress that brings that dazzle to your special event. Paityn features an off-the-shoulder neckline, a no-slip strip, long sleeves, a filigree sequin pattern throughout, and a mermaid silhouette. The dress is composed of a lined mesh fabric that offers a form-hugging fit with minimal stretch. Complete look with a rhinestone choker and rhinestone heels.
Fit & Features
- Off-the-shoulder neckline
- No-slip strip
- Back zipper and hook and eye closure
- Long fitted sleeves
- Filigree sequin pattern
- Mermaid silhouette
- Lined mesh fabric, form-hugging fit, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-5513
Category Name: Long Wedding Guest Dresses
Price: $59.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Abbie Formal Crepe Mermaid Dress
Special Occasion
Dare to be different in the chic Abbie formal dress for your upcoming banquets, gals, and dressy celebrations! She stuns in a sleeveless asymmetric one-shoulder neckline with dual spaghetti straps, a mermaid silhouette, a front ruched seam, and a high-cut slit that leads to her floor-length hem. The formal dress is composed of a crepe knit fabric with lining and a moderate stretch. Style with a sparkly clutch and heels to complete your dressy look!
Fit & Features
- Sleeveless asymmetric one-shoulder neckline, dual spaghetti straps
- Back zipper and hook-eye closure
- Mermaid silhouette
- Front ruched seam, high-cut slit, floor-length hem
- Lined crepe fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-2920
Category Name: Long Wedding Guest Dresses
Price: $14.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Jailene Formal Sequin Halter Dress
Special Occasion
Embellished with a sparkly iridescent sequence, the Jailene formal dress deserves a debut at prom or your next red-carpet event! She features a sleeveless, v-neck halter neckline with a partial open-back accent. Showcase your figure in her bodycon silhouette that leads to a floor-length hem. The formal dress is composed of a mesh-lined fabric with minimal stretch. Complete the look with a sleek silver clutch.
Fit & Features
- Sleeveless, v-neck halter neckline
- Lightly padded bust, adhesive bra recommended
- Partial open-back accent, zipper closure
- Bodycon silhouette
- Floor-length hem
- Iridescent sequin embellishment
- Mesh-lined fabric, minimal stretch, fits true to size
Style Number/Barcode: 05002-2205
Category Name: Long Wedding Guest Dresses
Price: $19.97 $154.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Vanya High Slit Lace Up Crepe Dress
Special Occasion
Lace-up in a formal dress that dazzles from the moment you enter the room! Vanya features a sleeveless scoop neckline with padded cups, tank-like shoulder straps, a lace-up back design, and an A-line silhouette 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 scoop neckline, padded cups
- Wide shoulder straps
- Lace-up back
- High side slit
- A-Line silhouette
- Lined crepe fabric
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1703
Category Name: Long Wedding Guest Dresses
Price: $14.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Arya Formal Embroidered Tulle Dress
Special Occasion
Make a captivating impression in our glowing Arya dress! She features a sleeveless metallic embroidered bodice, a plunging V- neckline and adjustable cross-straps. Her slim fit bodice leads to a sweeping floor length A-line silhouette. Dress is composed of a lined tulle fabric that offers a relaxed fit with a minimal stretch. Includes a lower back zipper closure.
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: 05002-0296
Category Name: Long Wedding Guest Dresses
Price: $29.97 $46.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Sheryl Formal Glitter Wrap Slit Long Dress
Special Occasion
Mesmerize every partygoer in the Sherly formal glitter dress designed to sparkle at banquets and fancy events! She features a sleeveless square neckline, wide shoulder straps, a curve-hugging slim silhouette, and a sultry wrap high front slit and long hem. The formal dress is composed of a glitter knit fabric with a stretchy knit lining. Complete the look with a chic clutch purse.
Fit & Features
- Sleeveless square neckline
- Wide shoulder straps
- Curve-hugging slim silhouette
- Wrap high front slit, long hem
- Glitter knit fabric, stretchy knit lining
- Bra friendly design
- Runs true to size
Style Number/Barcode: 05002-7444
Category Name: Long Wedding Guest Dresses
Price: $29.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Karrigan Formal One Shoulder Crepe Dress
Special Occasion
Enchant in a formal dress that radiates sophistication with each step. Karrigan features a ruffled one-shoulder neckline, a slim fit bodice, and a curve-hugging A-line silhouette that is 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 rhinestone clutch.
Fit & Features
- Ruffled one-shoulder neckline
- Adhesive bra recommended
- High side slit
- High waist
- A-line silhouette
- Lined crepe fabric
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2264
Category Name: Long Wedding Guest Dresses
Price: $9.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Klaudia Satin Corset Formal Dress
Special Occasion
Graceful and refined with a quietly striking presence, the Klaudia satin mermaid gown is designed for evenings that call for polished sophistication. The structured corset bodice, lace-up back, and sleek slit work together to create a sculpted silhouette that feels timeless yet undeniably captivating.
Fit & Features
- Stretch satin-lined fabric
- Square neckline, wide shoulder straps, padded bra cups
- Corset-structured bodice
- Lace-up back detail, zipper and hook-eye closure
- High front slit
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, weddings, galas, garden parties, formal celebrations, big birthday dinners, engagement parties, rehearsal dinners, date nights, anniversaries, cocktail receptions
Style Number/Barcode: 05002-001328
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: Out of Stock
Product Badge:- Ships Free
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Mindy Satin A-Line Slit Formal Dress
Special Occasion
Effortlessly refined with just the right amount of allure, the Mindy gown was made for a sweeping entrance and a second glance. Crafted in satin with a flattering V-neckline, high front slit, and a cut-out back with a mini lace-up detail, this a-line floor-length silhouette moves with elegance while revealing just enough.
Fit & Features
- Stretch satin fabric lined with knit
- V-neckline, padded bra cups, spaghetti straps
- Cutout back with mini lace-up, hidden zipper and hook-eye closure
- High front slit
- A-line floor-length silhouette
- Runs true to size
Where to Wear:
HOCO, weddings, black-tie galas, balls, formal milestone celebrations, engagement parties, rehearsal dinners, anniversary parties, date nights, birthday events, upscale cocktail soirees
Style Number/Barcode: 05002-001506
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: NAVY, PLUM
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Aubrey Formal V-Neck Mermaid Dress
Special Occasion
The Aubrey formal dress is designed to accentuate your curves with a dramatic flair - a daring and chic style for bridesmaids or red-carpet events! She features a sleeveless V-neckline, a ruched bust seam, spaghetti straps that lace up in the back, and a form-hugging mermaid silhouette with a sultry, high front slit along the floor-sweeping hem. The formal dress is composed of lined slinky and smooth knit fabric with plenty of stretch. Complete the look in platform heels and jewelry!
Fit & Features
- Sleeveless V-neckline, spaghetti straps
- Ruched bust seam, lace-up back
- Form-hugging, mermaid silhouette
- High front slit, floor-sweeping hem
- Lined slinky, smooth knit stretchy fabric
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7104
Category Name: Long Wedding Guest Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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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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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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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, S
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