Summer Formal Dresses
Planning for a special occasion in the warmer seasons? Explore our collection of elegant summer formal dresses, perfect for destination weddings, birthday celebrations, and galas. Our breathtaking assortment includes formal maxis, A-line midi dresses, and stunning sequin cocktail dresses, perfect for any soiree. Accentuate your curves with a timeless mermaid gown accented with rhinestones or ruched to perfection in luxe satin. Or make a statement with our elegantly flowing A-line tulle dresses for dreamy ethereal vibes, perfect for a boho-style wedding. For those who love to intermix elegance with trend, consider dresses featuring alluring cut-outs, or dramatic ruffle tiers for a stand-out look.
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Summer Formal Dresses
Product Recommendations
Summer Formal Dresses That Steal the Spotlight
Make a stunning entrance with summer formal dresses designed for warm-weather celebrations. From weddings to military balls and rooftop soirées, Windsor’s dresses feature luxe fabrics, standout silhouettes, and trend-forward details made to impress.
Choose from sleek satin gowns, flowy chiffon maxis, and figure-flattering mermaid or A-line styles. Details like lace-up backs, halter necklines, and off-shoulder sleeves bring effortless elegance, while metallic fabrics, sequins, and floral prints add shine and charm.
Go bold in sunset hues or keep it classic in white, black, or blush. From tiered tea-length dresses to high-slit gowns with corset bodices, these styles move with you from ceremony to celebration.
Complete the look with strappy heels and radiant accessories, and let the dress do the talking.
Find your perfect match—shop Windsor’s summer formal dresses online, in-app, or at your nearest store.
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Diane Lace-Up Slit Mermaid Glitter Formal Dress
Special Occasion
Shimmer like a beauty in the Diane glitter formal dress designed to impress with a lace-up back and high front slit for effortless movement.
Fit & Features
- Glitter knit fabric lined with stretchy knit
- Cowl square neckline, padded bra cups
- Spaghetti straps
- Lace-up back
- Front ruched seam and high slit
- Mermaid silhouette, floor-length hem
- Runs true to size
- Extra glitter for maximum sparkle - may have some natural fallout
Where to Wear:
Prom, fancy birthdays, and red-carpet events.
Style Number/Barcode: 05002-9534
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: RED, PEACH, MINT, NAVY
Available Size: M, L, XL, S
Product Badge:- Sale
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Olive Strapless Slit Mermaid Satin Formal Dress
Special Occasion
Exude elegance and allure with every detail of the Olive strapless satin formal dress! Designed with a flattering mermaid silhouette and a high wrap slit that offers effortless grace with every step.
This dress brings effortless confidence with every step. Love this look? Browse our stunning strapless prom dresses or find a statement style in our party dresses.
Fit & Features
- Stretch satin fabric, sewn-in knit lining, moderate stretch
- Strapless sweetheart neckline, padded bra cups, flexible boning
- Back zipper and hook-eye closure
- High front wrap slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, formal weddings, engagement parties, black tie galas, fancy date nights
Style Number/Barcode: 05002-000003
Category Name: Summer Formal Dresses
Price: $15.97 $79.90
On Sale: Yes
Availability: In Stock
Available Color: CORAL-2, GOLD-2
Available Size: XS, S, M
Product Badge:- Sale
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Nicola Strappy Tie-Back Mermaid Dress
Special Occasion
Show off your stunning curves in the Nicola formal dress featuring a halter square neck, strappy tie-back design, and floor-sweeping mermaid silhouette. Style with a rhinestone necklace for that hint of glamour.
Fit & Features
- Smooth knit fabric, high stretch
- Sleeveless square neckline, underbust seam
- Tank halter straps
- Open cross-back strappy design, tie closure
- Lower back zipper closure
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Weddings, black-tie parties, and dressed-up dinners.
Style Number/Barcode: 05002-000011
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S, L, XL
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Silvia Lace-Up Floral Satin A-Line Formal Dress
Special Occasion
Unlock ravishing charm in the Silvia A-line formal dress as a stunning bridesmaid, wedding guest, or attending a banquet! The cowl neckline and adjustable spaghetti straps add elegance to the A-line silhouette, while the lace-up back flaunts your style and hidden side pockets keep your hands warm. The high front slit and floor-length hem allow for graceful movements, and the floral jacquard pattern on soft satin fabric exudes sophistication. Complete the look with a decadent necklace and earrings set.
Fit & Features
- Floral jacquard pattern, satin fabric, woven lining, no stretch
- Adjustable spaghetti straps, cowl neckline
- Lace-up, back zipper and hook-eye closure
- Hidden side pockets
- High front slit
- A-line silhouette
- Runs true to size
Style Number/Barcode: 05002-8004
Category Name: Summer Formal Dresses
Price: $109.90
Availability: Out of Stock
Product Badge:- Ships Free
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Lana Cowl Neck Mermaid Satin Glitter Formal Dress
Special Occasion
The Lana satin glitter formal dress is guaranteed to make a glamorous impression at black-tie galas and parties! Designed to sparkle, this floor-length gown memorizes in a cowl neckline adorned with adjustable spaghetti straps to customize the fit and features padded bra cups for support. Achieve an hourglass appearance with her corset-inspired bodice with flexible boning and side pleated seam that creates the mermaid silhouette showcasing a high front wrap slit. Complete the look with an envelope clutch purse and heels for a sophisticated evening ensemble!
With a smooth, luminous finish, this dress was made to shine. Keep the luxe look going with breathtaking satin prom dresses or go for a sophisticated statement with our wedding guest dresses.
Fit & Features
- Smooth satin glitter fabric lined with short stretchy knit lining
- Padded bra cups, flexible boning
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- High front wrap slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8242
Category Name: Summer Formal Dresses
Price: $84.90
Availability: Out of Stock
Product Badge:- Ships Free
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Jamie Lace-Up Satin Formal Column Dress
Special Occasion
Dare to stun in the Jamie satin formal dress crafted with silky satin fabric for a gorgeous sheen. The bold plunge halter neckline and open lace-up back will turn heads while the fitted column silhouette flaunts your curves.
With a smooth, luminous finish, this dress was made to shine. Keep the luxe look going with breathtaking satin prom dresses or go for a sophisticated statement with our wedding guest dresses.
Fit & Features
- Silky satin fabric, short knit stretchy lining
- Plunge halter V-neckline, shoulder straps, padded bra cups
- Lace-up open back, lower zipper with hook-eye closure
- High side slit
- Fitted column silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, galas, and black-tie soirees.
Style Number/Barcode: 05002-9061
Category Name: Summer Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: RED, IVORY
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Jolie Sequin Slit Formal Dress
Special Occasion
Get your sparkle on in the Jolie sequin formal dress with a classy form-hugging silhouette and sultry front wrap slit for effortless allure all evening!
Fit & Features
- Sequin embellished pattern, mesh fabric, stretch knit lining
- Square neckline, padded bra cups
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Form-hugging silhouette
- Front wrap slit, floor-length hem
- Runs true to size
Where to Wear:
Prom, engagement parties, fancy milestone celebrations, nights at the theatre and opera, black tie gala
Style Number/Barcode: 05002-9418
Category Name: Summer Formal Dresses
Price: $99.90
Availability: In Stock
Available Color: RED, NAVY
Available Size: XS, S, M
Product Badge:- Ships Free
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Monica V-Neck Lace-Up Ruffle Slim Formal Dress
Special Occasion
Looking impressive is effortless in the Monica slim formal dress perfect for wedding guests, bridesmaids, or banquets! She features a flattering V-neckline and adjustable spaghetti straps that highlight your feminine features, while the lace-up back adds a touch of chic. With a high front slit and ruffled slim silhouette, this floor-length dress will make you feel like a modern-day goddess. Complete the look in high heels.
This dress is all about movement and flair. Want more standout designs? Discover our eye-catching ruffle prom dresses or embrace an elevated style with our guest dresses.
Fit & Features
- Mesh fabric with lining
- V-neckline
- Adjustable spaghetti straps
- Lace-up back
- Front slit
- Ruffled slim silhouette
- Runs true to size
Style Number/Barcode: 05002-8666
Category Name: Summer Formal Dresses
Price: $15.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Cornelia Off-The-Shoulder Slit Floral Formal Dress
Special Occasion
Prepare to be captivated by the Cornelia floral formal dress! Exuding irresistible charm, this floor-length dress boasts a sultry off-the-shoulder neckline and a high front wrap slit for dramatic allure.
Fit & Features
- Floral print, mesh fabric lined with stretchy knit
- Off-the-shoulder neckline
- High front wrap slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, garden parties, engagement parties, celebrations, dressy dates, vacations
Style Number/Barcode: 05002-000275
Category Name: Summer Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: PURPLE
Available Size: XS, S, M, L, XL
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Glinda V-Neck Bow Lace Mermaid Formal Dress
Special Occasion
A sleeveless formal dress features adjustable spaghetti straps, a flattering ribbon bow and lace trim V-neckline, and padded bra cups for support. The mermaid silhouette effortlessly wraps your curves while the floor-length hem adds drama.
Fit & Features
- Lace fabric lined with stretchy knit
- Ribbon bow lace trim V-neckline
- Adjustable spaghetti straps
- Padded bra cups
- Back zipper and hook-eye closure
- Mermaid floor-length silhouette
- Runs true to size
Style Number/Barcode: 05002-8779
Category Name: Summer Formal Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: In Stock
Available Color: IVORY
Available Size: XS, S, M, L
Product Badge:- Sale
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Ellie Ruffled Lace High Slit Formal Dress
Special Occasion
Sweet perfection, the Ellie ruffled lace formal dress will get you all the compliments. The high-cut side slit adds a flirtatious allure to the fitted floor-length silhouette.
Unapologetically bold, this dress is all about confidence. Keep the luxe look going with our stunning strapless prom dresses or discover the perfect fit among our stylish wedding guest dresses.
Fit & Features
- Sheer floral lace fabric with full-length knit lining, high stretch
- Strapless straight neckline, no-slip strip
- Side zipper with hook-eye closure
- Asymmetric ruffled design
- High-cut side slit
- Fitted floor-length silhouette
Where to Wear:
Prom, weddings, formal garden parties, and dressed-up dinners.
Style Number/Barcode: 05002-8962
Category Name: Summer Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: SAGE
Available Size: S, L
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Whitney Lace-Up Slit Formal Dress
Special Occasion
Steal the show in the Whitney formal dress with a sultry lace-up back and high side slit that flaunt your figure!
Fit & Features
- Knit fabric lined with stretch knit
- Sweetheart neckline, padded bra cups
- Wide shoulder straps
- Lace-up back, zipper, and hook-eye closure
- High side slit
- Bodycon silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, black-tie parties, galas, nights at the theatre, romantic date nights, and engagement parties.
Style Number/Barcode: 05002-9049
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: RED, ROYAL, BLACK
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Lynette Embroidered Corset Slit Mermaid Formal Dress
Special Occasion
A luminous and luxe look like the Lynette mermaid formal dress is ready for the night of your dreams! From the gorgeous embroidered rhinestone sequin corset bodice to the lace-up open back, you'll enchant everyone.
All eyes are on you in this radiant dress. If sparkle is your signature, discover stunning sequin prom dresses or opt for effortless sophistication with our eye-catching formal dresses.
Fit & Features
- Sheen knit fabric lined with stretchy knit
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Sheer embroidered corset bodice, sequins, rhinestones, beading
- Flexible boning, back zipper and hook-eye closure
- High slit, mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, black tie galas, balls, fancy birthday parties
Style Number/Barcode: 05002-9158
Category Name: Summer Formal Dresses
Price: $164.90
Availability: In Stock
Available Color: LIGHT, BLUE
Available Size: XS, S, M
Product Badge:- Ships Free
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Jane Cowl Neck Slit Satin Formal Column Dress
Special Occasion
The luxurious Jane satin formal dress brings effortless sophistication to black-tie events and celebrations! Crafted from silky satin fabric, this sleeveless dress features a stunning cowl neckline and high side slit to show some skin while the fitted column silhouette flatters your curves.
Fresh, bold, and effortlessly chic—this dress makes a statement. Want more? Explore our green prom dresses or find the perfect look for wedding season in our guest dresses.
Fit & Features
- Stretch satin fabric, minimal stretch
- Cowl neckline
- Adjustable spaghetti straps
- High side slit
- Column silhouette, long-length hem
- Runs true to size
Where to Wear:
Weddings, bridesmaids, formal dinner parties, and black-tie affairs.
Style Number/Barcode: 05002-9224
Category Name: Summer Formal Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Isabella One-Shoulder Ruffle Slit Formal Dress
Special Occasion
Capture all the attention in the Isabella long formal dress showcasing a ruffled high side slit for effortless movement and a bodycon silhouette that flaunts your curves!
This dress is all about movement and flair. Want more standout designs? Discover our eye-catching ruffle prom dresses or embrace an elevated style with our guest dresses.
Fit & Features
- Smooth knit fabric, moderate stretch
- One-shoulder neckline
- Partial open back
- Ruffled high-side slit
- Bodycon silhouette
- Long-length hem
- Runs true to size
Where to Wear:
Prom, formal parties and events
Style Number/Barcode: 05002-9646
Category Name: Summer Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: RED, BLACK
Available Size: XS, S, M, L
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Dallas V-Neck Halter Open Back Mermaid Formal Dress
Special Occasion
Arrive in sleek perfection in the Dallas mermaid formal dress as a striking bridesmaid or wedding guest! The halter V-neckline with tie closure exudes elegance, while the open back with adjustable strap adds a touch of sensuality. The mermaid silhouette and floor-length hem create a stunning silhouette, all made with a smooth knit-lined fabric. Complete the look with rhinestone jewelry for sparkle!
Fit & Features
- Smooth knit fabric lined with stretchy knit
- Halter V-neckline with tie closure
- Open back with adjustable strap
- Mermaid silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8517
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: BROWN
Available Size: XS, S, M, L
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Abbey Lace-Up Slit A-Line Satin Formal Dress
Special Occasion
Make a special event even more memorable in the Abbey a-line satin formal dress showcasing the prettiest lace-up back every guest will swoon over and a sultry high slit for effortless movement.
With a smooth, luminous finish, this dress was made to shine. Keep the luxe look going with breathtaking satin prom dresses or go for a sophisticated statement with our wedding guest dresses.
Fit & Features
- Premium satin fabric, lined
- Halter V-neckline
- Lace-up back
- Hidden side pockets
- High front slit, A-line silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, bridesmaids, black-tie weddings, formal parties, and balls.
Style Number/Barcode: 05002-8977
Category Name: Summer Formal Dresses
Price: $99.90
Availability: Out of Stock
Product Badge:- Ships Free
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Sierra Lace-Up Floral Sequin Formal Dress
Special Occasion
The sparkling Sierra floral sequin formal dress shimmers with every move and catches attention with the striking lace-up back!
This dazzling dress was made for the spotlight! Love the shimmer? Discover more sequin prom dresses or find a sophisticated look in our wedding guest dresses.
Fit & Features
- Floral pattern, sequin embellished
- V-neckline
- Spaghetti straps
- Lace-up back
- Form-hugging bodice
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, garden parties, glam functions, fancy bridal showers
Style Number/Barcode: 05002-9043
Category Name: Summer Formal Dresses
Price: $19.97 $139.90
On Sale: Yes
Availability: In Stock
Available Color: YELLOW
Available Size: S, M
Product Badge:- Sale
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Kristina Floral Velvet Slit Formal Dress
Special Occasion
Step into chic in the Kristina floral velvet formal dress to make an enchanting debut! Designed to flatter, this dress boasts a ruched bodycon fit that effortlessly flares out into a floor-length hem showcasing a dramatic slit.
Fit & Features
- Floral velvet pattern, mesh fabric, stretchy knit lining
- Cowl sweetheart neckline, padded bra cups
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Ruched bodycon fit
- Front slit
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, garden parties, bridesmaids, milestone celebrations, fancy parties
Style Number/Barcode: 05002-9121
Category Name: Summer Formal Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Kelsey Halter Printed Mermaid Formal Dress
Special Occasion
Dare to stand out in the stunning Kelsey formal dress at dressy occasions this party season! Crafted from an abstract print mesh fabric, this floor-length dress delivers unique style and sultry details like a halter neckline and mermaid silhouette that flaunts your figure. Pair with earrings.
Fit & Feaures
- Abstract print, mesh fabric lined with stretchy knit
- Halter V-neckline, padded bra cups
- Back zipper and hook-eye closure
- Side ruched seams
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-9240
Category Name: Summer Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: PLUM
Available Size: XS, S, M
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Santana Strapless Scarf Mermaid Satin Formal Dress
Special Occasion
The Santana satin formal dress is your ticket to black-tie glamour! With a chic scarf for versatile styling and a stunning mermaid silhouette, this dress makes an entrance.
This dress is made for the spotlight. Want more ways to stand out? Shop our vibrant pink prom dresses or find a chic, event-ready look in our wedding guest dresses.
Fit & Features
- Stretch satin fabric, stretchy knit lining
- Strapless neckline, padded bra cups
- Back zipper and hook-eye closure
- Scarf included
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, black-tie weddings, bridesmaids, garden parties, formal cocktail soirees, opera nights
Style Number/Barcode: 05002-000133
Category Name: Summer Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: RED
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Melita Ruffle Mermaid Floral Mesh Formal Dress
Special Occasion
Embrace the beauty of the Melita floral mesh formal dress showcasing flirty ruffled straps, a flattering mermaid silhouette that accentuates your curves, and a chic floor-length hem.
Fit & Features
- Floral print, mesh fabric lined with stretchy knit
- Sweetheart neckline, padded bra cups
- Ruffled adjustable spaghetti straps
- Back zipper and hook-eye closure
- Fitted bodice
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, garden parties, spring cocktail parties, dressy birthdays
Style Number/Barcode: 05002-000018
Category Name: Summer Formal Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Jayden V-Neck Lace Trim Bow Satin Mermaid Formal Dress
Special Occasion
Chic with sultry detail, the Jayden satin formal dress makes the perfect entrance! The formal dress boasts a lace trim and bow along the bust while the mermaid silhouette accentuates your curves along the floor-length hem. Complete the look with earrings.
Fit & Features
- Silky satin fabric
- Adjustable spaghetti straps
- V-neckline, lace and satin bow along the bust, padded bra cups
- Back zipper hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-8923
Category Name: Summer Formal Dresses
Price: $9.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Exceptional Guest Strapless Lace-Up Floral Maxi Dress
Spend your evening looking exceptional in this strapless floral print maxi dress at weddings or parties. The dress is designed with a stunning lace-up back, a flattering mermaid silhouette, and a draped maxi-length hem for a gorgeous look.
Fit & Features
- Floral print, smooth knit-lined stretchy fabric
- Strapless neckline
- Lace-up back
- Mermaid silhouette
- Draped maxi-length hem
- Runs true to size
Style Number/Barcode: 05101-3823
Category Name: Summer Formal Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free