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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Odessa Side Slit Lace Column Formal Dress
Special Occasion
The column silhouette keeps this long dress sleek and streamlined. This lace column long dress follows the figure through the body, while ruched detailing and a side slit add shape and movement without interrupting the clean line. The result feels polished, sculpted, and refined.
Fit & Features
- Floral lace fabric, knit lining
- Square neckline, spaghetti straps
- Visible boning through the bodice
- High side slit design
- Column floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, black-tie parties, galas, rehearsal dinners, formal celebrations, dressed-up date nights, fashion-forward events, cocktail parties
Style Number/Barcode: 05002-002043
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: PLUM
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Marleigh Lace-Up High Slit Formal Dress
Special Occasion
Sleek with a sultry chic style, the Marleigh formal dress features a sleeveless sweetheart neckline with an alluring bust seam outline, thin tank shoulder straps leading to an open lace-up strappy design for a customized fit, and a high-cut side slit to showcase some leg on the long slim-fit silhouette. Complete your look with statement earrings and stiletto heels.
Fit & Features
- Smooth knit fabric with plenty of stretch
- Sweetheart neckline, bust seam outline
- Thin tank shoulder straps
- Open cross-back lace-up strappy design
- High side slit
- Long slim-fit silhouette
- Runs true to size
Style Number/Barcode: 05002-8723
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Lexi Formal Sequin Rhinestone A-Line Dress
Special Occasion
Make your grand debut in the mesmerizing Lexi formal dress covered in a display of sparkling sequins to captivate everyone! Perfect for prom, black tie weddings, and galas. She shines in a sleeveless square halter neckline with glam rhinestone straps that fasten on her head-turning open back with a hook and eye closure. Her flattering A-line silhouette features a sultry high-cut front slit to show some skin and a flowy floor-length hem. The formal dress is composed of a sequin-scroll pattern on mesh fabric with a stretchy knit lining. Complete the look with a gorgeous hair accessory and heels.
Fit & Features
- Sleeveless, square halter neckline, lightly padded bust
- Rhinestone straps, back hook and eye fastener
- Open back, lower zipper and hook-eye closure
- A-line silhouette, high-cut front slit
- Floor-length hem
- Sequin-scroll pattern, mesh fabric, stretchy knit lining
- Runs true to size
Style Number/Barcode: 05002-6889
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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Cyrene Ruched V-Neck Mermaid Formal Dress
Special Occasion
Ruched detailing gives this mermaid dress a sleek, sculpted finish. The V neckline and fitted silhouette create a refined shape, while the open back with ring hardware and draped sash adds a striking final detail. It’s an elevated choice for a formal occasion.
Fit & Features
- Slinky knit fabric, smooth knit lining
- V neckline with wide shoulder straps
- Ruched bust detailing
- Open back with ring hardware
- Draped back sash
- Fitted mermaid silhouette with floor-length hem
- Runs true to size
Where to Wear:
HOCO, formal parties, black-tie events and galas, and anniversary dinners.
Style Number/Barcode: 05002-002041
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: WINE-2
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Oh-So-Glam Rhinestone Fringe Cutout Midi Dress
You'll look and feel oh-so-glam in this bodycon midi dress designed with a rhinestone embellished fringe along a cutout bodice that flaunts your figure! Pair with heels.
Fit & Features
- Smooth knit fabric with knit lining, plenty of stretch
- Square neckline
- Spaghetti straps, cross-back design
- Waist cutout with rhinestone fringe trim
- Asymmetric midi-length hem, high-cut side slit
- Bodycon silhouette
- Runs true to size
Style Number/Barcode: 05101-2992
Category Name: Long Wedding Guest Dresses
Price: $11.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Lia Glitter Knit Halter Mermaid Dress
Special Occasion
Made for a slow, striking entrance, the Lia formal dress glimmers in glitter knit with a curve-skimming mermaid silhouette and sultry halter neckline. A ruched bust, thigh-high slit, and open back finished with snake O-ring hardware bring the drama from every angle.
Fit & Features
- Glitter knit fabric with full-length knit lining
- Sleeveless sweetheart neckline, ruched center detail
- Tie-back tank halter straps
- Open back, snake-design metal accent
- Floor-length hem, thigh-high front slit
- Mermaid silhouette
- Runs true to size
Where to Wear:
Formal parties, black-tie events, galas, soirees, and dressed-up dinners.
Style Number/Barcode: 05002-001907
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Arietta Strapless Front Slit Formal Dress
Special Occasion
The high front slit brings a sleek, dramatic finish to this formal silhouette. This formal dress pairs a strapless neckline with ruched shaping and a draped wrap-style waist for a look that feels polished, sculpted, and modern. The fitted floor-length shape keeps the overall effect refined.
Fit & Features
- Lined mesh fabric with stretch
- Strapless straight neckline
- Ruched bodice with flexible boning
- Draped wrap-style waist
- High front slit
- Fitted column floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, black-tie galas, red-carpet occasions, formal celebrations, cocktail parties
Style Number/Barcode: 05002-001975
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: In Stock
Available Color: PERIWINKLE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Soft Curve Scoop Neck Halter Maxi Dress
This one is ready for the plans that call for something polished with a little movement. The scoop neck halter maxi dress pairs a ruched, fitted bodice with an open back and high side slit, while the flowing skirt keeps the silhouette soft. Wear it for weddings, formal events, or dressed-up date nights.
Fit & Features
- Slinky knit stretchy fabric
- Scoop halter neckline with tie straps
- Ruched fitted bodice
- High front side slit
- Flowy A-line maxi-length silhouette
- Runs true to size
Style Number/Barcode: 05101-001859
Category Name: Long Wedding Guest Dresses
Price: $49.90
Availability: In Stock
Available Color: HUNTER
Available Size: XS, S, M, L
Product Badge:- New Arrival
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Dahlia Plunge Neck Sash Formal Dress
Special Occasion
The details know exactly how to make an entrance. A sculptural floral accent defines the waist, while the plunging neckline and flowing sash bring a sultry contrast to this mermaid long dress. It delivers sophisticated glamour with just the right amount of drama.
Fit & Features
- Smooth knit fabric with stretch
- Plunge halter neckline with tie straps
- Open back
- Floral appliqué with cascading sash detail at the waist
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, black-tie galas, balls, rehearsal dinners, anniversaries, fashion-forward events, cocktail parties, red-carpet occasions
Style Number/Barcode: 05002-001991
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
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Blaire Thigh High Slit Mesh Formal Dress
Special Occasion
Sleek with just the right amount of reveal, the Blaire mesh gown is built for a slow, confident entrance. The off-the-shoulder neckline, ruched slim silhouette, side cutouts, and hardware accents create a sculpted finish with after-dark appeal.
Fit & Features
- Mesh fabric, sewn-in knit lining, high stretch
- Foldover off-the-shoulder neckline
- Side ruched seams
- Thigh-high side slit with hardware insert
- Column long-length silhouette
- Runs true to size
Where to Wear:
Destination celebrations, cocktail parties, vacations, honeymoons, resort getaways, date nights, birthday dinners, fashion-forward events, formal receptions
Style Number/Barcode: 05002-001747
Category Name: Long Wedding Guest Dresses
Price: $59.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
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Jenny Halter Mermaid Tie-Dye Mesh Formal Dress
Special Occasion
Everyone will swoon over your vibrant chicness in the Jenny tie-dye mesh formal dress at banquets and parties! Crafted from a mesh fabric with a unique tie-dye print, this dress will all have eyes on you. She features a halter neckline with a tie strap, side and front ruched seams that accentuate your curves along the mermaid silhouette, and a high front slit that shows some skin along the floor-length hem. Complete the look with rhinestone earrings and a clutch for glamour!
Fit & Features
- Tie-dye print, mesh fabric lined with stretchy knit
- Halter neckline with tie strap
- High front slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8612
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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Kayla Halter Open Back Slit Mermaid Formal Dress
Special Occasion
Effortlessly move through the evening in the Kayla mermaid formal dress in elegant fashion at black tie galas or weddings! She boasts a halter cowl neckline with a tie, a striking open back with ruched strap detail, and a figure-flattering mermaid silhouette. Finished with a high front wrap slit, and floor-length hem, on shimmery foil knit fabric, this dress is perfect for making a sophisticated statement at any formal event. Complete the look with earrings, a clutch, and heels.
Fit & Features
- Shimmery foil knit fabric, moderate stretch
- Halter cowl neck with tie
- Open back with ruched strap detail
- High front wrap slit
- Mermaid silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8613
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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Aurelia Mock Neck Scarf Mermaid Formal Dress
Special Occasion
The scarf detail gives this formal dress its most distinctive finish. This mermaid formal dress pairs a sleek mock neckline and cap sleeves with an open back and long shoulder scarf panels for a look that feels refined and directional. The result is polished with just enough movement to keep it interesting.
Fit & Features
- Sleek knit fabric, knit lining, high stretch
- Mock neckline with attached chiffon scarf
- Cap sleeves
- Open back
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, formal celebrations, holiday parties, rehearsal dinners, black-tie galas, balls, anniversaries, red-carpet events
Style Number/Barcode: 05002-001987
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: LIGHT, BLUE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Wendy Open Back Mermaid Formal Dress
Special Occasion
Leave a breathtaking impression in the Wendy floor-length dress. Designed to highlight your figure, this dress features an alluring open back and mermaid silhouette that artfully skims your curves for a chic look while the hardware trim gives it a little edge.
Fit & Features
- Slinky knit fabric with stretch
- Cowl neckline
- Hardware-trim spaghetti straps
- Open back, lower cascading sash
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, black-tie events, fashion-forward occasions, cocktail parties, birthday dinners, date nights
Style Number/Barcode: 05002-001981
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: PLUM
Available Size: XS, S, M, L, XL
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Celia Cape Sleeve Ruched Formal Dress
Special Occasion
A clean mermaid silhouette keeps the look long, lean, and sophisticated. The ruched bodice brings subtle texture, balanced by cape-style sleeves that add fluidity up top. It’s a refined shape with just enough movement to keep things interesting.
Fit & Features
- Airy chiffon/mesh fabric lined with stretchy knit
- Short cape-style sleeve overlay
- Back zipper and hook-eye closure
- Ruched center-front bodice
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Wedding guest, bridesmaids, engagement parties, formal celebrations, fancy brunches, black-tie events, galas, balls, anniversaries
Style Number/Barcode: 05002-002042
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: In Stock
Available Color: SAGE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Francine Cowl Neck Bustier Mermaid Formal Dress
Special Occasion
Embody sleek elegance in the Francine mermaid formal dress destined to make you glow with chic at banquets, weddings, and fancy parties! With delicate adjustable straps, a stunning strappy back, and padded bra cups, this dress flatters the figure in a playful yet elegant look. The cowl neckline and bustier bodice with flexible boning create a striking silhouette, flowing into a curve-hugging mermaid silhouette in a floor-sweeping hem. Complete the look with earrings and a clutch!
Fit & Features
- Slinky knit fabric lined with stretchy knit
- Adjustable spaghetti straps
- Cowl neckline, padded bra cups
- Flexible boning, back zipper and hook-eye closure
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8426
Category Name: Long Wedding Guest Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Mirabel Lace Velvet Corset Formal Dress
Special Occasion
Romance takes a daring turn with a little lace and a lot of allure. The sheer floral lace sleeves and corset-inspired bodice create a delicate contrast against the rich velvet skirt, while the sweetheart neckline adds a feminine touch. The result is sophisticated, sultry, and beautifully suited for glamorous events.
Fit & Features
- Velvet/lace fabric
- Sheer floral lace high neckline and fitted long sleeves
- Open front and back detail
- Corset-structured bodice, flexible boning inserts
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Black-tie events and galas, balls, holiday soirees, formal celebrations, red-carpet events, upscale cocktail parties, winter formals
Style Number/Barcode: 05002-001954
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Sorelle Cowl Neck Long Sleeve Formal Dress
Special Occasion
A beautifully draped neckline deserves accessories that know when to keep things simple. The soft cowl detail and fitted silhouette make this formal dress a natural match for delicate earrings, sleek heels, and a refined clutch. The result is effortlessly elegant with a touch of understated glamour.
Fit & Features
- Lined mesh fabric
- Sheer fitted long sleeves
- Cowl neckline
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, galas, black-tie events, red-carpet occasions, rehearsal dinners, military balls, winter formals, holiday parties
Style Number/Barcode: 05002-001990
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Eirlys One-Shoulder Ruched Mermaid Dress
Special Occasion
Wedding guest elegance comes with a little extra drama. This mermaid formal dress creates a beautifully contoured look with delicate ruching and a sheer cape sleeve that drapes gracefully from one shoulder. A sophisticated choice for celebrating love in style.
Fit & Features
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Asymmetric one-shoulder neckline
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Sheer mesh cape sleeve with long draped detail
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Ruched knit bodice and waist
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Fitted knit mermaid silhouette with floor-length hem
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Runs true to size
Where to Wear:
Wedding guests, formal dances, chic parties, anniversaries, black-tie events, and galas.
Style Number/Barcode: 05002-002013
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: WINE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Cleo Formal Off The Shoulder Dress
Special Occasion
Bring the elegance in our Cleo dress! She features an off the shoulder neckline, shoulder strap accents, a plunging V neckline and a partial open back. Her slim fit bodice leads to a sweeping A-line silhouette. Dress is composed of an airy chiffon fabric.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05005-0456
Category Name: Long Wedding Guest Dresses
Price: $77.97 $209.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Payson Embroidered Chiffon Ball Gown
Special Occasion
Feel like a princess on your special day! Our Payson does just that. She features a sweetheart neckline, padded cups, a sleeveless bodice that has a lace up detailing at the back, and a wired corset structure that is delicately embroidered with rhinestone accents. Her skirt meets mid high waist and features a ball gown design composed of a chiffon material that offers a lightweight flow. Dress is lined.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05005-0454
Category Name: Long Wedding Guest Dresses
Price: $74.97 $209.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Lennox Bandage Knit Mermaid Formal Dress
Special Occasion
The mermaid silhouette gives this formal dress its sleek, sculpted finish. This mermaid formal dress follows the body's contours before easing into a subtle flare, while the bandage knit texture adds sculpted definition. The result feels polished, streamlined, and confidently refined.
Fit & Features
- Bandage knit fabrication with side sheer mesh inserts
- Sleeveless halter scoop neckline with tie straps
- Back zipper and hook-eye closure
- Mermaid silhouette with a subtle flared floor-length hem
- Runs true to size
Where to Wear:
Wedding guests, holiday parties, black-tie events, galas, formal celebrations, special date nights
Style Number/Barcode: 05002-001988
Category Name: Long Wedding Guest Dresses
Price: $99.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Nicole Sleeveless Sequin Dress
Special OccasionStun in sequins as you light up the room with our charming gray Nicole dress! She features, a sleeveless bodice, a plunging V neckline paired with narrow straps leading to a sexy lace up back design, padded cups and flattering princess seams. Her bodice leads to a floor length sheath skirt that elongates to create a lovely silhouette. Her all over mesh fabric is accented with dazzling floral designs composed of twinkling sequins. She offers a form hugging fit with minimal stretch. Dress includes a thin knit lining and lower back zipper closure.
Model is 5'9.5" with a 34" bust, 25" waist and 36" hips. She is wearing a size small.Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-5349
Category Name: Long Wedding Guest Dresses
Price: $22.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Nat Formal High Slit Dress
Special OccasionRise to the occasion in the sophisticated Nat dress! She features a rich violet hue, an off the shoulder neckline with off shoulder strap accents, a sweetheart bust with fold over accent and narrow shoulder straps. Her slim fit bodice leads to an elongating floor length silhouette accented with a high side slit. Dress is composed of a crepe fabric that offers a form hugging fit with a moderate stretch.
Model is 5'9" with a 32" 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: 05002-0040
Category Name: Long Wedding Guest Dresses
Price: $29.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale