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.
Now Trending
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.
-
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
-
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
-
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
-
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
-
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: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
-
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
-
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
-
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
-
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
-
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
-
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
-
Major Energy Strapless Floral Mesh Maxi Dress
Bring major energy in this strapless floral mesh maxi dress design to flaunt your figure in a bodycon fit and show some skin with a high-side slit. Pair with mules.
Fit & Features
- Floral print, mesh fabric, soft and stretchy knit lining
- Strapless neckline
- High-side slit
- Bodycon fit
- Runs true to size
Style Number/Barcode: 05101-001515
Category Name: Long Wedding Guest Dresses
Price: $20.97 $45.90
On Sale: Yes
Availability: In Stock
Available Color: PLUM-2
Available Size: S, L, XL
Product Badge:- Sale
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
Polished Ease Cap Sleeve Mesh Maxi Dress
Consider the dressed-up plans handled. This mesh maxi dress pairs a high neckline and cap sleeves with soft ruching, keeping the look polished without feeling too formal. Wear it for wedding celebrations, cocktail parties, or birthday dinners.
Fit & Features
- High neckline with cap sleeves
- Mesh fabrication, smooth lining
- Ruched detailing through the body
- Softly gathered maxi skirt
- Body-skimming fit
- Runs true to size
Style Number/Barcode: 05101-001412
Category Name: Long Wedding Guest Dresses
Price: $52.90
Availability: Out of Stock
Product Badge:- Ships Free