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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Everly Formal Sleeveless Glitter Mermaid Dress
Special Occasion
Bring the glamour with a glitter dress that radiates glitz from all your best angles. The dress features a sleeveless square neckline and a fitted bodice that leads to a curve-hugging mermaid silhouette. The dress is composed of a glitter knit fabric that offers a form-hugging fit with a moderate stretch. Complete look with rhinestone heels.
Fit & Features
- Sleeveless square neckline
- Fitted bodice, flexible boning
- Mermaid silhouette
- Glitter knit fabric
- Form hugging fit, moderate stretch
- Runs true to size
The saturation of glitter varies. Glitter may transfer.
Style Number/Barcode: 05002-1298
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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Caroline One-Shoulder Formal Dress
Special Occasion
So effortless, the Caroline formal dress is simple yet stylishly chic. She features a sleeveless one-shoulder neckline with pleated detailing and a dual spaghetti strap design, a fitted bodice, a high waist seam, and a floor-length silhouette with a high side slit. Style this dress with sparkling statement earrings and an embellished clutch.
Fit & Features
- Sleeveless one-shoulder neckline
- Pleated detailing, dual spaghetti strap design
- Strapless or adhesive bra recommended
- Hidden back zipper, hook and eye closure
- High waist seam, floor-length skirt, side slit
- Crepe fabric
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2245
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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Julianna Chiffon Halter A-Line Formal Dress
Special Occasion
An effortlessly graceful silhouette, the Julianna chiffon A-line formal dress flows with every step. The halter neckline and open back detail strike a balance between soft romance and modern allure, making it a standout for any special occasion.
Fit & Features
- Sheer chiffon fabric with full-length lining
- Sleeveless V-neckline
- Halter tie-back straps
- Partially open back, lower back zipper with hook-eye closure
- Pleated detailing
- Floor-length A-line silhouette
- Runs true to size
Where to Wear:
Prom, wedding guests, bridesmaids, black-tie parties, dressed-up dinners, elevated date nights, and formal parties.
Style Number/Barcode: 05002-001322
Category Name: Long Wedding Guest Dresses
Price: $99.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Rae Lace-Up Glitter Mermaid Dress
Special Occasion
The long mermaid dress features a glitter knit fabrication, a sleeveless cowl neckline, spaghetti straps that lead to a cross-back design, and a lace-up back design. Complete the formal outfit with a satin clutch.
Fit & Features
- Lined glitter knit fabrication
- Sleeveless cowl neckline
- Spaghetti straps lead to x-back design
- Lace-up back design
- Mermaid silhouette
- Long hem length
- Runs true to size
Style Number/Barcode: 05002-8865
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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Khloe Long Glitter Formal Gown
Special Occasion
Have a sparkling night in our Khloe! She is designed with a v-neckline, spaghetti straps that lead to a criss-cross back, and an empire waist seam. She has a form fitting slim silhouette that leads down to a floor sweeping mermaid hemline. She is composed of a knit material that offers moderate stretch and is embellished with glitter that reflects red throughout! Glitter may transfer.
Model is 5'7" with a 34" bust, 24" waist and 34" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0370
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kiele Formal Bustier Mermaid Long Dress
Special Occasion
Be the highlight of every glam event in the Kiele formal bustier long dress! She features a sweetheart neckline, adjustable spaghetti straps, and a built-in padded underwire bust providing support and comfort. The bonded floor length hem and mermaid silhouette exude sophistication and a voluminous effect! The formal long dress is composed of a smooth knit fabric that hugs like an hourglass and has a stretchy full knit lining. Complete the look with a rhinestone necklace and earrings for a black tie gala or formal dance!
Fit & Features
- Sleeveless sweetheart neckline
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Built-in padded underwire bust
- Mermaid silhouette, bonded floor-length hem
- Smooth knit fabric, full stretchy knit lining
- Runs true to size
Style Number/Barcode: 05002-7845
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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Gigi Cowl Neck Button Slit Satin Formal Dress
Special Occasion
The Gigi satin formal dress is a stunning choice for occasions that call for grace and poise! Crafted from a smooth satin jacquard pattern fabric, this column dress is forever flattering from the cowl neckline to the high slit adorned with faux button accents.
Fit & Features
- Jacquard pattern, premium satin fabric
- Cowl neckline
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Side faux button accents, high slit
- Column silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, bridesmaids, galas, black tie celebrations, elegant functions, parties
Style Number/Barcode: 05002-9602
Category Name: Long Wedding Guest Dresses
Price: $19.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Laurel Lace-Up A-Line Slit Satin Formal Dress
Special Occasion
A timeless silhouette gets a hint of modern flair on the Laurel satin formal dress perfect for bridesmaids, wedding guests, or fancy parties! Made from luxuriously silky satin fabric, she boasts a lace-up back designed to turn heads and a flattering V-neckline that highlights your bust. The A-line silhouette accentuates your figure while the high front slit adds a touch of allure, this floor-length gown will make you feel elegant and sophisticated at any formal event! Complete the look with dainty earrings and heels for a chic evening style.
Fit & Features
- Satin fabric lined with knit
- Spaghetti straps
- Padded bra cups
- Lace-up, back zipper and hook-eye closure
- High front slit
- A-Line silhouette
- Runs true to size
Style Number/Barcode: 05002-8130
Category Name: Long Wedding Guest Dresses
Price: $9.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Raina Glitter Knit High Slit Mermaid Dress
Special Occasion
Create a stunning spark in the gorgeous Raina glitter knit mermaid dress at prom, weddings, or fancy parties! She features a sleeveless V-neckline with a built-in padded bust, bungee spaghetti straps, an open back with a cross-back strappy design, a hip-hugging fit, stylish ruching with an adjustable drawstring, a floor-sweeping hem with a short cascading train, a chic front slit, and a mermaid silhouette. The semi-sheer glitter knit fabric includes a mini-length lining. Complete the look in this formal long dress with rhinestone heels.
Fit & Features
- Sleeveless V-neckline, padded bust
- Bungee spaghetti straps, open back, cross-back strappy design
- High waist seam, hip-hugging fit, ruching, adjustable drawstring
- Floor-sweeping hem, short train, front slit, mermaid silhouette
- Semi-sheer glitter knit fabric, mini-length knit lining, moderate stretch
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-6946
Category Name: Long Wedding Guest Dresses
Price: $9.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Cecilia Off-The-Shoulder Ruffle Formal Dress
Special Occasion
Ethereal and elegant, the Cecilia mesh off-the-shoulder dress is made for entrances that linger in memory. The cascading ruffle detail and sleek silhouette bring soft movement and romantic polish to every occasion.
Fit & Features
- Mesh-lined fabric
- Off-the-shoulder neckline, ruffled short-sleeve cuffs
- High side slit
- Ruffled form-hugging fit
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, fancy brunches, bridal showers, baby showers, garden parties, date nights, milestone celebrations, birthdays, dinner parties
Style Number/Barcode: 05002-000304
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: LIGHT, BLUE
Available Size: XS
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Steff Off-The-Shoulder Mermaid Slit Formal Dress
Special Occasion
An off-the-shoulder formal dress features a twisted sweetheart neckline and a flattering mermaid silhouette boasting a high front slit. Perfect for homecoming or a banquet.
Fit & Features
- Smooth knit fabric, moderate stretch
- Off-the-shoulder sweetheart twisted neckline
- High front slit
- Mermaid floor-length silhouette
- Runs true to size
Style Number/Barcode: 05002-8768
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Celia Formal Sequin Two-Piece A-Line Dress
Special Occasion
Make your grand entrance at prom in the Celia Formal Sequin Two-Piece A-Line dress sure to leave the room wonderstruck! She's designed in a two-piece silhouette with a strapless, tube sequin embroidered top with a built-in padded bust. Bring the drama to the night in her A-line satin skirt featuring a floor-sweeping silhouette with a slit accent that's perfect styling with glitzy heels to add extra shine to your prom night ensemble!
Fit & Features
- Two-piece design
- Strapless sequin tube top, built-in padded bust
- Attached on the back, zipper and hook and eye closure
- A-line satin-lined skirt
- Side slit, floor-length hem
- No stretch
- Runs true to size
Style Number/Barcode: 05002-2005
Category Name: Long Wedding Guest Dresses
Price: $19.97 $129.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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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: $29.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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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
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Elina Halter Cutout Mermaid Dress
Special Occasion
Made for unforgettable entrances, the Elina halter mermaid dress stuns with a keyhole cutout and an open back that flows into a sleek, sculpted silhouette. The slinky knit flatters every curve with effortless sophistication.
Fit & Features
- Slinky knit fabric, high stretch
- Sleeveless twisted halter neckline, keyhole cutout
- Tie-back halter straps
- Open back, lower twist-back design
- Ruching
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Weddings, bridesmaids, black-tie parties, dressed-up dinners, red-carpet events, galas, and formal affairs.
Style Number/Barcode: 05002-000348
Category Name: Long Wedding Guest Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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Eliana Lace-Up Mermaid Glitter Knit Formal Dress
Special Occasion
The Eliana glitter knit formal dress will speak your shine language! Perfect for modern brides who love to sparkle, birthday girls, or wedding guests. Her V-neckline, padded bra cups, and spaghetti straps accentuate your curves while the lace up back adds a touch of allure. With a high front slit and a mermaid silhouette, this floor-length hem dress in glitter knit fabric is sure to make you shimmer. Complete the look with dangly earrings.
Fit & Features
- Glitter knit fabric lined with stretchy knit
- Spagehtti straps
- Padded bra cups, V-neckline
- Lace-up
- High front slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8368
Category Name: Long Wedding Guest Dresses
Price: $9.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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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
Product Badge:- Ships Free
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Trinity Formal High Slit Glitter Dress
Special Occasion
Make a glitzy impression in the Trinity formal dress that glows under the spotlight! She features a sleeveless square neckline with a U-shaped wire insert, spaghetti straps, and a form-hugging mermaid silhouette, and a ruched seam with a sexy high-side slit to showcase some skin. The formal dress is composed of a glitter stretch-knit fabric and is partially lined. Complete your dressy look with a rhinestone bracelet and heels.
Fit & Features
- Sleeveless square neckline, spaghetti straps
- U-shaped wire insert
- Bra-friendly design
- Form-hugging, mermaid silhouette
- High side slit
- Glitter stretch-knit fabric, partial lining
- Fits true to size
Style Number/Barcode: 05002-1343
Category Name: Long Wedding Guest Dresses
Price: $29.97 $62.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Aliana Lace-Up High Slit Mermaid Dress
Special Occasion
Designed for the one who owns every entrance, the Aliana formal dress slips through the room in smooth knit with a corset-inspired bodice that sculpts effortlessly. The mermaid silhouette, lace-up back, and high slit create a look that’s sleek, chic, and impossible to overlook.
Fit & Features
- Smooth knit fabric with knit lining, high stretch
- Sleeveless sweetheart neckline, padded bust
- Corset bodice, flexible boning
- Spaghetti straps, open cross-back lace-up design, tie closure, lower back zipper with hook-eye closure
- Ruching, wrap-front design, high-cut slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Formal weddings, bridesmaids, galas, red-carpet events, birthday celebrations, and black-tie soirees.
Style Number/Barcode: 05002-000477
Category Name: Long Wedding Guest Dresses
Price: $84.90
Availability: In Stock
Available Color: NAVY, RED
Available Size: S, M, L
Product Badge:- Ships Free
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Aly Formal Floral Velvet Lace-Up Mermaid Dress
Special Occasion
Step into the garden of sultriness in the Aly formal long dress! She captivates everyone in her plunge V-neckline, a padded bust, spaghetti straps that lace up in the back, and a flattering mermaid silhouette and floor-length hem. The formal long dress is designed with a flocked floral pattern on mesh fabric and has a stretchy full knit lining. Complete the look in a sleek lariat necklace for a black tie formal event!
Fit & Features
- Sleeveless plunge V-neckline, padded bust
- Spaghetti straps, lace-up back
- Back zipper and hook-eye closure
- Mermaid silhouette, floor-length hem
- Flocked floral velvet pattern
- Mesh fabric, full stretch knit lining
- Runs true to size
Style Number/Barcode: 05002-7958
Category Name: Long Wedding Guest Dresses
Price: $39.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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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
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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
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Plus Lucy Formal High Slit Dress
Special OccasionMake 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 1XSpecial 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
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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