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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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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Arielle Strapless Mermaid Formal Dress
Special Occasion
Made for candlelit entrances and compliments that follow you across the room, this strapless gown delivers sleek glamour with a sculpted fit. The ruched mermaid silhouette and cascading side sash create elegant movement with every step.
Fit & Features
- Slinky knit stretchy fabric with sheen effect
- Strapless neckline
- Front sash wrap waist
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, black tie galas, formal milestone parties, rehearsal dinners, anniversaries, vacations, destination celebrations, fancy occasions
Style Number/Barcode: 05002-001703
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: YELLOW
Available Size: L
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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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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
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Meadow Formal Lace-Up Dress
Special Occasion
Lace up in a formal dress that brings the elegance to your event! Meadow features a sleeveless square neckline, flexible boning for structure, spaghetti straps, a lace-up back design, and a mermaid silhouette with a wide banded hem. The dress is composed of a lined crepe fabric that offers a form hugging fit with a moderate stretch. Complete look with rhinestone heels and a clutch.
Fit & Features
- Sleeveless square neckline
- Adhesive bra recommended
- Flexible boning
- Lace-up back
- High waist
- Mermaid silhouette, lower back zipper closure
- Lined crepe fabric
- Form hugging fit, moderate stretch, runs true to size
Style Number/Barcode: 05002-2243
Category Name: Long Wedding Guest Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Darcy Satin Corset Asymmetrical Slit Formal Dress
Special Occasion
Sashay into the party wearing the Darcy satin formal dress! She features a sultry, strapless asymmetrical neckline that leads to the corset-style bodice with flexible boning to provide support and structure the pleated empire waist. Flaunt a sexy show of leg in the high-cut side slit that effortlessly flows into a floor-length silhouette. Composed of a luxe, smooth satin-lined fabric with minimal stretch. Polish your radiate look off with sparkly heels and a rhinestone choker.
Fit & Features
- Strapless, asymmetrical neckline
- Strapless or adhesive bra recommended
- Corset-style bodice, flexible boning
- Pleated empire waist, back zipper, hook and eye closure
- High-cut side slit, floor-length hem
- Luxe smooth lined-satin fabric, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-1829
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Autumn Sequin Mesh Mermaid Dress
Special Occasion
Gorgeous and glam, the eye-catching Autumn sequin mesh formal dress will have you as the center of attention! She features a sleeveless one-shoulder neckline, a partially open back with a thin strappy design, a lower back cutout, and a floor-length, fitted mermaid silhouette with a sexy thigh-high front slit. Style this dress with rhinestone statement earrings and chic heels.
Fit & Features
- Sleeveless one-shoulder neckline
- Padded cups
- Partially open back, thin strappy design
- Lower back cutout
- Floor-length mermaid silhouette, high front slit
- Sequin adorned mesh fabric
- Runs true to size
Style Number/Barcode: 05002-1616
Category Name: Long Wedding Guest Dresses
Price: $31.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Marianne Pleated Sweetheart Dress
Special OccasionOur Marianne dress brings sweet and sophisticated to your next social event. She features a strapless deep sweetheart neckline with boning detail, a straight back with exposed zipper closure, a wrap bodice with pleated details that flatter any body type, and a slim, floor-length skirt with a high side leg slit. Marianne is composed of a stretchy mauve crepe fabric.
Model is 5'6.5 with a 32" bust, 23.5" waist and 35" hips. She is wearing a size small.Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6688
Category Name: Long Wedding Guest Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Tristin Formal Crepe Floral Applique Mermaid Dress
Special Occasion
The Tristin formal crepe dress offers a fresh take on a classic silhouette! She features a lovely floral applique along her sleeveless sweetheart neckline and spaghetti straps, a built-in padded underwire bust that eliminates the need for a bra, a lace-up back design, and a figure-flattering mermaid silhouette, skin-baring high front slit, and floor-length hem. The formal dress is composed of a crepe knit fabric with plenty of stretch. Complete the look in this long dress with door-knocker earrings and simple heels for a wedding or fancy banquet!
Fit & Features
- Sleeveless sweetheart neckline, floral applique trim
- Floral applique on spaghetti straps
- Built-in padded underwire bust, no bra required
- Back lace-up, lower zipper and hook-eye closure
- Mermaid silhouette, high front slit, floor-length hem
- Crepe knit fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-7235
Category Name: Long Wedding Guest Dresses
Price: $9.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Audriana Satin A-Line Formal Dress
Special Occasion
Graceful and quietly striking, the Audriana dress brings an effortless sense of occasion the moment you slip it on. Crafted in smooth satin with a flowing A-line silhouette, it’s finished with a statement tie-back detail that adds soft movement and an elegant open-back moment.
Fit & Features
- Premium satin-lined fabric
- Strapless neckline, padded bra cups
- Tie-back design, hidden zipper and hook-eye closure
- A-line floor-length silhouette
- Runs true to size
Where to Wear:
Prom, black tie weddings, galas, bridesmaids, balls, formal celebrations, engagement parties, rehearsal dinners, anniversaries, special date nights, vacations, honeymoons
Style Number/Barcode: 05002-001306
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: Out of Stock
Product Badge:- Ships Free
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Dakota Velvet Lace Up Evening Gown
Special Occasion
Steal the look of the night with the glamorous Dakota gown. She features a lightly padded chest, a V neckline, pockets, and spaghetti straps that lead to a back lace-up and tie closure, a leg slit and a floor-length design. Dakota is fully lined, has a little bit of stretch and is made from a classic velvet fabric. Dakota includes a built in panty lining.
Model is 5'9" with a 34" bust, 24" waist and 35.5" hips. She is wearing a size small.Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0210
Category Name: Long Wedding Guest Dresses
Price: $47.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Gillian Sleeveless Ruffled A-Line Tulle Formal Dress
Special Occasion
Rule the runway in the Gillian tulle formal dress for a show-stopping look to your seat at weddings, banquets, or garden parties! Crafted from luxurious tulle fabric, this floor-length dress will make you feel like a work of art. The sweetheart neckline, adjustable spaghetti straps with ruffled trim, and ruffled tier A-line silhouette create a look of effortless elegance. Complete the look with earrings and a clutch.
Fit & Features
- Tulle woven fabric lined with stretchy knit
- Adjustable spaghetti straps with ruffled trim
- Padded bra cups
- Back zipper and hook-eye closure
- Ruffled tier A-line silhouette
- Runs true to size
Style Number/Barcode: 05002-7837
Category Name: Long Wedding Guest Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Tabetha Formal Sequin Strappy Mermaid Dress
Special Occasion
Covered in head-to-toe sequins, the Tabitha formal long dress knows how to make an entrance! Shine this season at school dances, weddings, and galas. Featuring a sleeveless V-neckline, lightly padded bust, bungee spaghetti straps that shape the strappy open-back detail, a form-hugging mermaid silhouette, and a floor-length hem. The formal maxi dress is composed of sparkling scroll sequin-embroidered mesh fabric with a stretchy knit lining. Style with chandelier earrings and a bracelet to complete the look.
Fit & Features
- Sleeveless V-neckline, lightly padded bust
- Bungee spaghetti straps
- Strappy open-back detail, lower zipper closure
- Form-hugging, mermaid silhouette, floor-length hem
- Sequin scroll embroidered mesh fabric, stretchy knit lining
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-6883
Category Name: Long Wedding Guest Dresses
Price: $49.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Maves Formal High Slit Mermaid Dress
Special Occasion
Make an enchanting appearance in a formal dress that wows from the moment you enter the room! Maves features a sleeveless V-neckline, adjustable spaghetti straps, a row of criss-cross straps at back, and a sleek bar strap. The slim fit bodice leads to a form hugging mermaid silhouette that is accented with a dramatic high side slit. Complete look with rhinestone heels.
Fit & Features
- Sleeveless V-neckline
- Adjustable spaghetti straps
- Criss-cross straps, bar strap
- Mermaid silhouette
- High side slit
- Form hugging fit
- Runs true to size
Style Number/Barcode: 05002-2236
Category Name: Long Wedding Guest Dresses
Price: $14.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Hannah V-Neck Strappy Formal Dress
Special Occasion
There is something about a sleek mermaid gown that feels instantly iconic, and the Hannah dress understands the assignment. With its fluid silhouette, delicate spaghetti straps, and open strappy back, this dress is all about clean lines, confident curves, and that slow, unforgettable entrance.
Fit & Features
- Smooth knit fabric, subtle sheen, knit lining
- V-neckline, spaghetti straps
- Open strappy back detail
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, galas, award ceremonies, birthday dinners, engagement parties, rehearsal dinners, date nights, cocktail parties
Style Number/Barcode: 05002-001249
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: RED
Available Size: XS, S, M, L
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Monet Off Shoulder Evening Gown
Special Occasion
Introducing our Monet! She is sleek and sexy. She features a wired sweetheart neckline, satin off the shoulder sleeves and a form fitting silhouette. She is designed with vertical princess seams leading down to her flared floor length hem. Her back has a lace up detail as well as a zipper closure. She is composed of a crepe material that offers moderate stretch and her look finishes with a flattering high thigh side slit.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0202
Category Name: Long Wedding Guest Dresses
Price: $36.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Monica Lace-Up Formal Dress
Special Occasion
Create a stunning prom look that will capture attention in the sleek Monica formal dress! She features a sleeveless square neckline, spaghetti straps, a strappy lace-up back design, ruching at the lower back, and a fitted, floor-length silhouette. The smooth satin-knit fabric offers a moderate stretch for comfortable wear. Style this dress with chic stiletto heels.
Fit & Features
- Sleeveless square neckline, spaghetti straps
- Adhesive bra recommended
- Open back, strappy lace-up design, tie closure
- High waist seam, lower back ruched detailing
- Fitted, floor-length silhouette
- Satin-knit fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2210
Category Name: Long Wedding Guest Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale