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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Ayla Lace-Up Slit Mermaid Glitter Formal Dress
Special Occasion
Arrive in the sensational Ayla glitter formal dress to dazzle every partygoer! With a striking lace-up back and high side slit for effortless movement, this dress owns the spotlight.
Fit & Features
- Glitter knit fabric lined with stretchy knit
- Halter V-neck, padded bra cups
- Lace-up back, lower zipper and hook-eye closure
- High side slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
- Extra glitter for maximum sparkle - may have some natural fall out
Where to Wear:
Prom, black-tie parties, weddings, and red-carpet events.
Style Number/Barcode: 05002-9055
Category Name: Summer Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: CHAMBRAY, GOLD, SAGE, RED, BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Cindy Beaded Strapless Column Formal Dress
Special Occasion
Waltz into the party in the Cindy beaded formal dress for a stunning look! The formal floor-length dress is designed with a strapless cowl neckline that shapes the fitted column silhouette showcasing a high front slit.
Flawlessly chic and bold, this dress is a statement. If strapless styles are your go-to, explore our strapless prom dresses or embrace effortless fashion with our formal dresses.
Fit & Features
- Beaded embellished mesh fabric, stretchy knit lining
- Strapless cowl neckline, padded bra cups
- Back zipper with hook-eye closure
- Column silhouette
- High front slit
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, galas, and formal parties.
Style Number/Barcode: 05002-9077
Category Name: Summer Formal Dresses
Price: $159.90
Availability: In Stock
Available Color: LAVENDER, LIGHT, BLUE, YELLOW, PINK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Marine Cutout Slit Mermaid Beaded Formal Dress
Special Occasion
The Marine beaded pearl formal dress exudes glam in a stunning mermaid silhouette with a high slit for effortless allure and a sultry cutout bodice so you can flaunt your figure!
Fit & Features
- Beaded pearl embellished, mesh fabric, stretchy knit lining
- Cowl neckline, padded bra cups
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Cutout bodice
- High front slit, mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, upscale birthday parties, milestone celebrations, fancy date nights
Style Number/Barcode: 05002-9095
Category Name: Summer Formal Dresses
Price: $19.97 $159.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Saisha Strapless Bodycon Mesh Formal Dress
Special Occasion
The sultry Saisha mesh formal dress is destined to be your go-to for unforgettable evenings! This dress boasts a stunning ruched bodycon silhouette that flaunts your figure and a center back slit for effortless movement all night.
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
- Mesh fabric lined with stretchy knit
- Strapless neckline
- Back zipper and hook-eye closure
- Padded bodice for structure and shaping
- Ruched bodycon silhouette
- Center back slit, fitted long-length hem
- Runs true to size
Where to Wear:
Prom, big birthday events, weddings, graduations, dinner parties
Style Number/Barcode: 05002-9151
Category Name: Summer Formal Dresses
Price: $15.97 $59.90
On Sale: Yes
Availability: In Stock
Available Color: ORANGE
Available Size: XS, S
Product Badge:- Sale
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Lizzie Lace-Up Cowl Back Slit Formal Dress
Special Occasion
You'll be a vision in motion wearing the stunning Lizzie floor-length formal dress with an eye-catching lace-up cowl back and a high front slit that shows some leg!
Fit & Features
- Smooth knit fabric with stretchy knit lining
- Sweetheart cowl neckline, padded bra cups
- Adjustable spaghetti straps
- Lace-up cowl back
- High front slit
- Form-hugging silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, wedding guests, bridesmaids, upscale dinner parties, romantic date nights
Style Number/Barcode: 05002-9123
Category Name: Summer Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: PEACH, LAVENDER
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Celina Sequin Lace-Up High Slit Mermaid Dress
Special Occasion
Sparkle and shine in the Celina sequin formal dress to dazzle under the dancefloor lights! This formal dress boasts a striking lace-up back, a high front slit for movement, and a mermaid silhouette to show off your curves.
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
- Sequin embellished pattern
- Mesh fabric lined with stretchy knit
- Square neckline, padded bra cups
- Adjustable spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, and formal celebration events.
Style Number/Barcode: 05002-9220
Category Name: Summer Formal Dresses
Price: $14.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Ramona Off-The-Shoulder Mermaid Formal Dress
Special Occasion
Designed to be a real showstopper, the Ramona mesh formal dress hugs your curves in a ruched mermaid silhouette while the high front slit gives effortless movement!
Fit & Features
- Mesh fabric lined with stretchy knit
- Off-the-shoulder sweetheart neckline, padded bra cups
- Short-sleeve cuffs
- High front slit
- Ruched mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, garden parties, formal soirees, upscale birthday parties
Style Number/Barcode: 05002-9376
Category Name: Summer Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: PERIWINKLE, SAGE
Available Size: XS, S, M, L, XL
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Kaitlyn Cowl Neck Slit Beaded Sequin Formal Dress
Special Occasion
A vision in motion! The Kaitlyn beaded sequin formal dress makes an unforgettable entrance in a flattering form-hugging fit and high slit that gives a graceful allure.
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
- Beaded sequin embellishments
- Mesh lined fabric with stretchy knit
- Cowl neckline, padded bra cups
- Beaded sequin embellishments
- Mesh lined fabric with stretchy knit
- Cowl neckline, padded bra cups
- Adjustable spaghetti straps, spaghetti strap tie
- Form-hugging fit, back zipper and hook-eye closure
- High slit, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, event galas, dressed up parties
Style Number/Barcode: 05002-9389
Category Name: Summer Formal Dresses
Price: $154.90
Availability: In Stock
Available Color: LIGHT, BLUE, LAVENDER, PINK
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Island Style Tropical Halter Mesh Maxi Dress
Get that tropical feeling whenever you wear this halter mesh maxi dress! The cowl neckline adds a touch of elegance while the form-hugging fit flatters your curves, perfect for vacations or beach days.
Fit & Features
- Tropical print, mesh-lined fabric
- Cowl halter neckline
- Form-hugging fit
- Maxi-length hem
- Runs true to size
Style Number/Barcode: 05101-4081
Category Name: Summer Formal Dresses
Price: $20.97 $45.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Fabienne Open Back Slit Mermaid Formal Dress
Special Occasion
Effortlessly command attention in the Fabienne mermaid formal dress designed with a sultry open back and a high front slit that flaunts your heels of the night!
Fit & Features
- Smooth knit fabric lined with stretchy knit
- Cowl neckline
- Dual twisted spaghetti strap detailing
- Open back
- High front slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, formal events, black tie occasions, fancy date nights, weddings
Style Number/Barcode: 05002-9674
Category Name: Summer Formal Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: In Stock
Available Color: OLIVE, RED
Available Size: XS, S
Product Badge:- Sale
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Georgina Strapless Lace-Up Mermaid Formal Dress
Special Occasion
Timeless style with a chic modern vibe, the Georgina strapless formal dress dares to radiant every room! With an alluring lace-up back and a curve-hugging mermaid silhouette, you'll look and feel like a dream.
Flawlessly chic and bold, this dress is a statement. If strapless styles are your go-to, explore our strapless prom dresses or embrace effortless fashion with our formal dresses.
Fit & Features
- Sleek knit fabric with stretchy knit lining
- Strapless neckline, padded bra cups
- Lace-up back, lower zipper and hook-eye closure
- Side ruched seams
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, formal functions, big parties, black tie events
Style Number/Barcode: 05002-9675
Category Name: Summer Formal Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: In Stock
Available Color: GOLD, BROWN
Available Size: XS, S, M
Product Badge:- Sale
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Chic Romance Floral Lace-Up Maxi Dress
Evoke chic romance on date night in this gorgeous floral maxi dress designed with an open lace-up strappy back and floor-length form-hugging silhouette. Style with a sleek handbag and stiletto heels.
Fit & Features
- Sheer mesh fabric with knit lining, high stretch
- Large floral print
- Sleeveless deep V-neckline
- Spaghetti straps
- Open cross-back lace-up strappy design
- Maxi-length hem, form-hugging silhouette
- Runs true to size
Style Number/Barcode: 05101-000111
Category Name: Summer Formal Dresses
Price: $44.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
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Alicia Off-The-Shoulder Mermaid Formal Dress
Special Occasion
Spend an evening in the timeless elegance of the Alicia floor-length formal dress and feel like a work of art! The side ruched seams accentuate your curves along the mermaid silhouette, and the high front slit adds a touch of drama to the floor-length hem.
Fit & Features
- Smooth knit fabric lined with stretchy knit
- Padded bra cups
- Back zipper and hook-eye closure
- High front slit
- Mermaid silhouette
- Runs true to size
Where to Wear:
Prom, galas, black tie parties, weddings, bridesmaids, nights at the theatre and opera, red-carpets
Style Number/Barcode: 05002-000058
Category Name: Summer Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: BROWN, RED, HUNTER, BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Olessa Short Sleeve A-Line Slit Satin Formal Dress
Special Occasion
The silky satin and curve-flattering silhouette make the Olessa formal dress feel so special! The dress boasts adorable flutter short sleeves and a chic A-line silhouette with a high front slit for effortless movement.
Fit & Features
- Premium satin fabric, woven lining
- Short flutter sleeves
- V-neckline, padded bra cups
- Back zipper and hook-eye closure
- High front slit
- A-line silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, galas, black tie parties, engagement parties, rehearsal dinner, fancy date nights, big milestone celebrations
Style Number/Barcode: 05002-9379
Category Name: Summer Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: SAGE, NAVY
Available Size: XS, S, M
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Alandra Sweetheart Mermaid Sequin Formal Dress
Special Occasion
Bring the sparkle to any event in the Alandra sequin formal dress, designed with a waist-snatching corset bodice and a striking mermaid silhouette that hugs your curves.
Fit & Features
- Sequin embellished pattern
- Mesh fabric lined with stretchy knit lining
- Sweetheart neckline, padded bra cups, adjustable spaghetti straps
- Back zipper and hook-eye closure
- Corset bodice, flexible boning
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, red-carpet events, big birthday parties, glam functions
Style Number/Barcode: 05002-9494
Category Name: Summer Formal Dresses
Price: $119.90
Availability: In Stock
Available Color: PINK
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Cassandra Lace-Up Wrap Mermaid Satin Formal Dress
Special Occasion
A special evening begins in the Cassandra satin formal dress with a lace-up back and mermaid silhouette to make you fall in love!
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
- Stretch satin fabric
- Cowl sweetheart neckline
- Spaghetti straps
- Lace-up back
- Mermaid wrap silhouette
- High slit, floor-length hem
- Runs true to size
Where to Wear:
Prom, black-tie parties, weddings, and galas.
Style Number/Barcode: 05002-9522
Category Name: Summer Formal Dresses
Price: $15.97 $69.90
On Sale: Yes
Availability: In Stock
Available Color: ORANGE
Available Size: XS, S, M
Product Badge:- Sale
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Marilyn Strapless Ruffle Slit Satin Formal Dress
Special Occasion
Decadence dressing is made easy in the Marilyn strapless satin formal dress! Capture sophistication in this floor-length dress with a high ruffled slit to show leg and a curve-flaunting fit.
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
- Stretch satin fabric lined with stretchy knit
- Strapless folded neckline
- Back zipper and hook-eye closure
- High side ruffled slit
- Curve-hugging silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, formal weddings, black tie events, milestone celebrations, chic dinner parties
Style Number/Barcode: 05002-9616
Category Name: Summer Formal Dresses
Price: $15.97 $79.90
On Sale: Yes
Availability: In Stock
Available Color: ORANGE, HUNTER
Available Size: XS, S, M
Product Badge:- Sale
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Kenzie Corset Mermaid Mesh Formal Dress
Special Occasion
The corset bodice and mermaid silhouette on the Kenzie formal dress make it a chic option and ensure that all eyes are on you!
Fit & Features
- Mesh fabric, stretchy knit lining
- Strapless neckline, padded bra cups
- Back zipper and hook-eye closure
- Corset bodice, flexible boning
- Side ruched seams
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, galas, black tie soirees, engagement parties, cocktail events
Style Number/Barcode: 05002-000072
Category Name: Summer Formal Dresses
Price: $59.90
Availability: In Stock
Available Color: MAUVE, DENIM
Available Size: XS, S, M, L
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Brinley Lace Chiffon Asymmetric Mermaid Dress
Special Occasion
Showcase chic elegance in the Brinley formal mermaid dress crafted with airy sheer chiffon and dainty lace fabrics for an ethereal vibe with a knit lining for coverage. It features a sleeveless ruched sweetheart neckline followed by ruched side panels down the sides, adjustable spaghetti straps for a customized fit, and a floor-length asymmetric mermaid silhouette with a tiered ruffled chiffon hem.
Make a statement in this stunning dress. Love bold details? Explore our playful ruffle prom dresses or find a sleek look in our formal dresses.
Fit & Features
- Sheer chiffon and lace fabrics with knit lining, minimal stretch
- Ruched sweetheart neckline
- Ruched side panels
- Adjustable spaghetti straps
- Back zipper with hook-eye closure
- Floor-length asymmetric mermaid silhouette, tiered ruffled chiffon hem
- Runs true to size
Style Number/Barcode: 05002-8715
Category Name: Summer Formal Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: In Stock
Available Color: IVORY, BLACK
Available Size: S, M
Product Badge:- Sale
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Kellie Strapless Ruffled Slit Lace Formal Dress
Special Occasion
A showstopping lace formal dress that exudes romance and modern elegance. Designed with a high strapless neckline, this long dress boasts a bodycon silhouette with flirty cascading ruffles and a sultry high-side slit. Complete the look with earrings and heels.
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
- Lace fabric lined with stretchy knit
- High strapless neckline, non-slip grip lining
- Side zipper and hook-eye closure
- High-side slit
- Bodycon silhouette
- Long-length hem
- Runs true to size
Style Number/Barcode: 05002-8961
Category Name: Summer Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: YELLOW
Available Size: XS, S, M, L
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Shondra Sweetheart Applique Satin Mermaid Dress
Special Occasion
Indulge in the opulent Shondra mermaid satin formal dress for an evening of elegance! The formal dress has a pretty beaded applique neckline for a romantic allure while the floor-length hem adds dramatic flair.
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
- Stretch satin fabric with knit lining
- Sweetheart neckline with beaded embroidered applique trim, padded bust
- Pleated cowl neck overlay
- Adjustable spaghetti straps, ruched back zipper with hook-eye closure
- Ruched detailing
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Prom, black-tie parties, galas, and weddings.
Style Number/Barcode: 05002-9027
Category Name: Summer Formal Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: In Stock
Available Color: MAUVE, YELLOW
Available Size: XS, S, M
Product Badge:- Sale
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Marlene Lace-Up Mermaid Beaded Pearl Formal Dress
Special Occasion
Fabulous and enchanting, the Marlene mermaid formal dress knows how to make an entrance! Crafted with countless beaded and faux pearls, this formal dress turns heads with a lace-up back and floor-length hem for a dramatic flair.
Make your entrance unforgettable in this dress. For more glam styles, explore intricate embellishments on beaded prom dresses or be ready to celebrate in wedding guest dresses.
Fit & Features
- Beaded and faux pearl embellished
- Mesh lined fabric with stretchy knit
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, formal celebrations, and red-carpet events.
Style Number/Barcode: 05002-9129
Category Name: Summer Formal Dresses
Price: $19.97 $149.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Calla Halter Mermaid Pearl Beaded Formal Dress
Special Occasion
The Calla faux pearl beaded formal dress is like a modern day fairytale with a chiffon tie halter neckline and stunning mermaid silhouette!
Every detail shines in this intricately designed dress. Love embellishments? Explore our embellished beaded prom dresses or find a refined silhouette in our formal dresses.
Fit & Features
- Faux pearl, beaded embellishments
- Mesh fabric lined with stretchy knit
- Halter sweetheart neckline, padded bra cups, chiffon tie
- Back zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, big birthday events, fancy date nights, big milestone celebrations, glam functions
Style Number/Barcode: 05002-9257
Category Name: Summer Formal Dresses
Price: $149.90
Availability: Out of Stock
Product Badge:- Ships Free
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Romy Ruffle Tie-Back Mermaid Lace Formal Dress
Special Occasion
You in the Romy lace formal dress is a match made in heaven. A vision of soft romance, this floor-length dress boasts flirty ruffled straps and a tie-back design that turns heads while the mermaid fit hugs your figure.
Fit & Features
- Lace fabric, stretchy knit lining
- Sweetheart neckline, padded bra cups
- Ruffled adjustable straps
- Tie-back design, lower zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, brides, garden parties, graduations, big milestone events, formal functions
Style Number/Barcode: 05002-9383
Category Name: Summer Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: IVORY
Available Size: XS, S, M, L
Product Badge:- Ships Free