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 That Make Every Moment Memorable
Celebrate in style with Windsor’s collection of long wedding guest dresses, designed to elevate your presence at every type of ceremony. Whether you’re attending a vineyard reception, a chic city soirée, or a luxe black-tie celebration, these sweeping silhouettes bring instant sophistication and show-stopping energy.
Elegant Silhouettes & Luxe Fabrics
Explore curve-loving mermaid gowns, sleek column dresses, and airy chiffon maxis that float with every step. From soft florals to bold jewel tones and timeless neutrals, this edit features standout fabrics—think satin, glitter mesh, crepe, and lace—that look stunning in photos and feel just as good as they look.
Modern Details & Romantic Touches
Looking for a style that balances elegance and edge? Try corset bodices, high slits, lace-up backs, or open-shoulder necklines. Prefer something softer? Discover long guest dresses with flutter sleeves, tiered skirts, and embroidered accents that bring a romantic, elevated vibe.
Perfect for Every Celebration
No matter the setting—black tie, garden, coastal, or semi-formal—Windsor’s long wedding guest dresses are crafted to fit the occasion. Designed for movement, comfort, and unforgettable style, these gowns ensure you arrive polished and poised.
Shop Windsor’s collection of long wedding guest dresses online, in-app, or at 350+ Windsor stores and find the perfect look for your next celebration.
What are the best silhouettes for a long wedding guest dress?
Popular silhouettes include mermaid, column, trumpet, and asymmetrical designs, each offering a unique look. Mermaid and trumpet styles create a form-fitting, dramatic effect, while column and asymmetrical dresses provide a sleek, modern feel. Explore a variety of options in Windsor's full collection of wedding guest dresses to find the perfect fit for your next event.
What fabrics work best for long wedding guest dresses?
The best fabric depends on the season and wedding setting. Satin and velvet bring a luxe touch to evening or outdoor weddings, while chiffon and crepe offer lightweight elegance for spring and summer celebrations. Mesh and lace add texture, and glitter fabrics create a statement look for formal occasions.
Can I wear a long dress to a casual or outdoor wedding?
Yes! A long dress can be perfect for outdoor or semi-casual weddings when styled appropriately. Opt for flowy fabrics like chiffon or lightweight satin, and choose relaxed silhouettes like maxi, A-line, or column styles. Pair with strappy sandals or wedges for a more effortless look.
Create your head-to-toe wedding guest look by shopping Windsor online, in-app, or at over 350 retail stores across the U.S. and Canada. Whether celebrating in a candlelit ballroom or under the stars, these long wedding guest dresses ensure you arrive in style.
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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: In Stock
Available Color: NAVY
Available Size: XS, S, M, L
Product Badge:- Ships Free
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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: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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Haisley Open Back Floral Lace Mermaid Dress
Special Occasion
Bring the charm in a long lace dress that features a sleeveless cowl neckline, adjustable spaghetti straps, an open-back design accented with a bar back, a floral lace pattern, and a mermaid silhouette. Complete the look with a sleek rhinestone clutch for the perfect wedding guest outfit.
Fit & Features
- Lined lace fabrication
- Sleeveless cowl neckline, padded bust
- Adjustable spaghetti straps
- Open back with bar strap accent, zipper and hook-eye closure
- Floral lace pattern
- Long hem length, mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8803
Category Name: Long Wedding Guest Dresses
Price: $64.90
Availability: In Stock
Available Color: RED, BERRY
Available Size: L, XL, XS, S, M
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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
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Mckayla Formal Scoop Neck Dress
Special Occasion
Sparkly glitter adds a luxe vibe to the glamorous Mckayla formal dress at homecoming dances, galas, and banquets! She features a sleek and classic sleeveless, scoop neckline with bungee spaghetti straps, and an alluring open-back with hook closures. Her shirred ruched bodice leads to a form-hugging, mermaid silhouette, and a floor-sweeping hem. The formal dress is composed of a stretch-knit glitter fabric designed to hug your curves like an hourglass. Complete your dressy look in duster rhinestone earrings and a clutch.
Fit & Features
- Stretch-knit glitter fabric
- Sleeveless scoop neckline, bungee spaghetti straps
- Open-back, hook closures
- Shirred, ruched bodice, form-hugging
- Mermaid silhouette, floor-length hem
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-2463
Category Name: Long Wedding Guest Dresses
Price: $19.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Rya Formal One Shoulder High Slit Dress
Special Occasion
Bring the elegance with a formal dress that is perfect to wear as a wedding guest or for a formal banquet. Rya features a one-shoulder neckline, a double-row spaghetti strap design, and ruching that runs from the waist. Her high waist leads to an A-line silhouette that features a daring high side slit. The dress is composed of a lined smooth knit fabric that offers a form-hugging fit with a moderate stretch. Includes a mini skirt-length knit lining. Complete look with rhinestone heels and a trendy sphere clutch.
Fit & Features
- Sleeveless, one-shoulder neckline
- Dual spaghetti straps
- Adhesive bra recommended
- High waist seam, ruching, high slit
- Floor-length hem
- Lined smooth knit fabric
- Runs true to size
Style Number/Barcode: 05002-2152
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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Clyde Formal Crepe Corset Lace Mermaid Dress
Special Occasion
Beautiful and timeless, the Clyde Formal Crepe Corset Lace Mermaid dress enhances your curves on her flattering, strapless corset-style bodice with flexible boning and a romantic lace insert mermaid skirt. She's composed of a crepe-lined fabric with a minimal stretch. Perfect for styling with a satin clutch and statement earrings for prom.
Fit & Features
- Strapless | Corset-style bodice | Flexible boning
- Back zipper closure
- Lace insert mermaid silhouette
- Floor-length hem
- Crepe-lined fabric | Minimal stretch
- Fits true to size
Style Number/Barcode: 05002-2130
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Gabrielle Formal Rhinestone Long Dress
Special Occasion
Glistening rhinestones elevate the Gabrielle formal dress for your next stunning night out at a banquet or the school dance! She features a sleeveless square neck with a cowl draping, spaghetti straps, a caged back design, and side ruched seams to define your curves along the body-hugging, slim silhouette with a high side slit and long hem. The formal dress is composed of a mesh fabric with a stretchy knit lining. Style with statement earrings and a clutch for a gorgeous look!
Fit & Features
- Sleeveless square neck, cowl draping
- Spaghetti straps, caged back design
- Side ruched seams
- Body-hugging, slim silhouette, high side slit, long hem
- Rhinestone embellishments, mesh fabric, stretchy knit lining
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7023
Category Name: Long Wedding Guest Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Lindsay Double Ruffle Formal Dress
Special OccasionLead the room in timelessly gorgeous ruffles in our Lindsay dress! She features a sleeveless bodice, an off the shoulder neckline and an asymmetrical shallow V neckline bust with a double ruffle detail. Her slim fit bodice leads to an elongating mermaid skirt that highlights curves. She is composed of a black hued crepe fabric that offers a moderate stretch. Includes a back zipper closure.
Model is 5'7 with a 32" bust, 24" waist and 37" hips. She is wearing a size small.Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-5602
Category Name: Long Wedding Guest Dresses
Price: $29.97 $66.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Sofie Formal Satin Strapless Long Dress
Special Occasion
This figure-skimming beauty is worthy of a grand debut at banquets, weddings, and dressy celebration parties! The Sofie formal dress features a foldover, strapless neckline, a lightly padded bust, a slim curve-hugging silhouette, and a sultry front slit along her floor-length hem. The formal dress is composed of lined satin fabric with a sheen effect and minimal stretch. Complete the look in statement mules and a clutch.
Fit & Features
- Strapless foldover neckline, light padded bust
- Back zipper and hook-eye closure
- Slim, curve-hugging silhouette
- Front slit, floor-length hem
- Lined satin fabric, minimal stretch
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-7305
Category Name: Long Wedding Guest Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Rosie High-Slit Satin Mermaid Dress
Special Occasion
Sleek and chic, the Rosie satin mermaid dress will have you looking absolutely stunning! She features a sleeveless V-neckline with pleated detailing at the bust, adjustable spaghetti straps, a deep V-back design, and a fitted floor-length mermaid silhouette with a sultry thigh-high front slit. Style this formal dress with rhinestone statement earrings and heels.
Fit & Features
- Sleeveless V-neckline
- Pleated detailing at the bust
- Adjustable spaghetti straps
- Deep V-back design, back zipper and hook and eye closure
- Fitted floor-length mermaid silhouette, front slit
- Satin fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1508
Category Name: Long Wedding Guest Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Madeline Strapless Tie-Back A-Line Dress
Special Occasion
Softly fluid and endlessly chic, the Madeline strapless A-line dress brings effortless glamour to any formal moment. A chic tie-back detail enhances the silhouette with a subtle, feminine touch.
Fit & Features
- Smooth knit fabric with full-length knit lining, high stretch
- Strapless sweetheart neckline, padded bust, ruching
- Open back with tie-back design
- Lower back zipper with hook-eye closure
- Floor-length A-line silhouette
- Runs true to size
Where to Wear:
Prom, wedding guests, bridesmaids, black-tie parties, dressed-up dinners, galas, red-carpet events, and chic soirees.
Style Number/Barcode: 05002-001508
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: WINE, DENIM
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Payton Floral Jacquard Lace-Up Mermaid Dress
Special Occasion
There’s something effortlessly captivating about the Payton—a floral jacquard mermaid dress designed to flatter from every angle. The curve-skimming silhouette flows into a soft flared hem, while the lace-up back adds a touch of romance that feels made for wedding toasts, prom photos, and elegant evenings out.
Fit & Features
- Floral jacquard fabric, knit lining
- Sleeveless V-neckline, padded bust
- Adjustable spaghetti straps
- Open back, lace-up strappy design with tie closure
- Lower back zipper with hook-eye closure
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, black-tie parties, prom, dressed-up dinners, and formal events.
Style Number/Barcode: 05002-001032
Category Name: Long Wedding Guest Dresses
Price: $99.90
Availability: In Stock
Available Color: SAGE, YELLOW
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Alison Lace-Up Mermaid Sequin Formal Dress
Special Occasion
Make it an evening to remember in the Alison sequin formal dress at prom, galas, or red carpet events! Glistening sequins in a stunning pattern give this formal dress a sparkling allure perfect for standing out. This luxurious dress features a flattering V-neckline and spaghetti straps, while the lace-up open back adds a touch of head-turning elegance. The mermaid silhouette and floor-length hem create a graceful and captivating look, adorned with a lavish sequin embellished pattern. Complete the look in a gorgeous jewelry set and heels.
Fit & Features
- Sequin embellished pattern, mesh fabric lined with stretchy knit
- Spagehtti straps,
- Lace-up open back, zipper and hook-eye closure
- Mermaid silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7943
Category Name: Long Wedding Guest Dresses
Price: $49.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Peyton One Shoulder Crepe Dress
Special Occasion
Make a dramatic entrance with a formal dress that brings regal appeal. The dress features a one-shoulder neckline with a tank-like shoulder strap, a high side slit, and a draped panel at the side. The dress is composed of a crepe fabric that offers a form-hugging fit with a moderate stretch. Complete look with rhinestone heels.
Fit & Features
- One-shoulder neckline
- High side slit
- Draped panel at side
- Lined crepe fabric
- Form hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1336
Category Name: Long Wedding Guest Dresses
Price: $14.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Lydia Asymmetrical Formal Dress
Special Occasion
Sultry and striking, the Lydia formal dress is perfect for those babes who like to bring the bold vibes. She features a sleeveless asymmetrical one-shoulder neckline, a single spaghetti strap, dual waist cutouts, and a curve-hugging floor-length silhouette with ruching leading to an asymmetrical high side slit. Style this dress with a rhinestone necklace and strappy stilettos.
Fit & Features
- Sleeveless asymmetrical one-shoulder neckline, single spaghetti strap
- Strapless or adhesive bra recommended
- Dual waist cutouts
- Side ruched detailing
- Fitted floor-length silhouette, asymmetrical side slit
- Smooth sateen fabric
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2081
Category Name: Long Wedding Guest Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Trixie Formal Satin A-Line Dress
Special Occasion
Make a striking impression in the Trixie formal dress at balls and banquets! She features a sleeveless sweetheart neckline with a cowl pleated bust, halter spaghetti straps, a lace-up back design, and a flattering A-line silhouette showcasing a sultry high-cut slit along her floor-length hem. The formal dress is composed of a smooth and silky satin fabric with a subtle sheen. Style with a beaded clutch and heels to complete the look!
Fit & Features
- Sleeveless sweetheart neckline, cowl pleated bust
- Lace-up back design, tie closure
- A-line silhouette
- High-cut slit, floor-length hem
- Smooth, silky satin fabric with a subtle sheen, lined bust
- Moderate stretch
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-2636
Category Name: Long Wedding Guest Dresses
Price: $9.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Selena High-Slit Satin Formal Dress
Special Occasion
Make a sleek and stylish statement in the stunning Selena satin formal dress! She features a trendy sleeveless cowl neckline, dual spaghetti straps that lead to a cross-back design, a high waist seam, and a floor-length, fitted silhouette with a sultry thigh-high front slit. The satin-knit fabric offers a moderate stretch. Complete the look with a pair of chic strappy heels.
Fit & Features
- Sleeveless cowl neckline, dual spaghetti straps
- Cross-back design
- High waist seam
- Floor-length hem, fitted silhouette, high front slit
- Satin knit fabric, knit lining at the bust, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-1418
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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Kenia Formal Satin Halter Long Dress
Special Occasion
Sophisticated and undeniably elegant doesn't even begin to describe how you'll look in the Kenia formal dress! Make an entrance at school dances, charity dinners, or wedding ceremonies. She features a sleeveless halter square neckline, open-back, a form-hugging mermaid silhouette, and a sexy high-cut front slit along her floor-length hem. The formal dress is composed of a buttery smooth silky satin-lined fabric with minimal stretch. Complete the look with a rhinestone bracelet and clutch.
Fit & Features
- Sleeveless halter square neck, open back
- Form-hugging mermaid silhouette
- High-cut front slit
- Floor-length hem
- Lined satin fabric, minimal stretch
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-6897
Category Name: Long Wedding Guest Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Aliyah Formal Sequin Lace Back Dress
Special Occasion
Enchant at the prom in the Aliyah formal sequin dress perfect for making a dazzling grand entrance. She features a sleeveless, v-neck, sleek adjustable straps, and a built-in padded bust. Her form-fitting bodice leads to an alluring open-back with strappy detail and zipper closure. Her floor-length mermaid silhouette is designed to flatter every figure. The formal dress is composed of a sequin embroidered fabric with an inner lining and no stretch. Complete the look with a chic clutch.
Fit & Features
- Sleeveless, v-neck, adjustable spaghetti straps
- Built-in padded bust, adhesive bra recommended
- Form-fitting bodice, strappy open-back, zipper closure
- Mermaid silhouette
- Floor-length hem
- Sequin embroidered fabric, lining, no stretch
- Fits true to size
Style Number/Barcode: 05002-2317
Category Name: Long Wedding Guest Dresses
Price: $19.97 $139.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Arial Open Back Mermaid Formal Dress
Special Occasion
Made for jaw-dropping arrivals, the Arial formal dress sculpts and stuns in smooth knit with a one-shoulder neckline, ruched detailing, and a striking open back twist. Its mermaid silhouette and floor-length hem bring full-glam drama—no effort required.
Fit & Features
- Smooth knit fabric with lining, moderate stretch
- One-shoulder neckline
- Side ruched seams
- Open back with twist detail
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, black tie galas, rehearsal dinners, engagement parties, anniversaries, formal soirees, nights at the opera or theatre, red carpet occasions
Style Number/Barcode: 05002-000371
Category Name: Long Wedding Guest Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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Bryn Chiffon A-Line Formal Dress
Special Occasion
Get a stunningly beautiful look in our chic Bryn chiffon formal dress. She features a wrap front V neck and back with a back button closure, long sheer blouson sleeves with button detailing, a high elastic banded waist with a tie detail, and a flowy, floor-length A-line silhouette. The dress is composed of a sheer chiffon fabric with no stretch and with a short knit lining. Complete your outfit with a sleek ring set and strappy heels.
Fit & Features
- Wrap front V neck and back
- Back button closure
- Long blouson sleeves with button detailing
- High rise waist with a tie detail
- Flowy A-line silhouette
- Sheer chiffon fabric with no stretch
- Short knit lining
Style Number/Barcode: 05002-0689
Category Name: Long Wedding Guest Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free