Summer Formal Dresses

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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.

  • Aimee Sequin Starfish Formal Dress

    Special Occasion

    Designed for moments that call for quiet glamour, the Aimee sequin mermaid gown catches the light with every step and every turn. A sculpted bodice with starfish hardware and a cutout back brings a polished yet unexpected finish.

    Fit & Features

    • Allover sequin fabric, knit lining
    • Strapless sweetheart neckline with starfish hardware detail
    • Padded bust, non-slip grip lining
    • Mermaid floor-length silhouette
    • Cutout back detail and zipper closure
    • Runs true to size

     

    Where to Wear:

    Prom, big birthday events, formal celebrations, waterfront or destination wedding, special date nights, cocktail soirees

    Style Number/Barcode: 05002-001061

    Category Name: Summer Formal Dresses

    Price: $89.90

    Availability: In Stock

    Available Color: PINK

    Available Size: XXS, XS, S, M, L

    Product Badge:
    • Ships Free
  • Elani Mesh Mermaid Ruffle Formal Dress

    Special Occasion

    Soft, sculpted, and made for your slow-motion entrance, the Elani mesh mermaid gown is all about movement and romance. A sweetheart ruffle neckline and strappy open back bring just the right balance of flirty detail and elevated polish—perfect for when the RSVP calls for something unforgettable.

    Fit & Features

    • Mesh fabric with knit lining, moderate stretch
    • Sweetheart neckline with ruffle trim detail, adjustable straps
    • Ruched bodice for a flattering fit
    • Back zipper and hook-eye closure
    • Strappy open back with adjustable ties
    • Mermaid floor-length silhouette
    • Runs true to size

     

    Where to Wear:

    Wedding guests, garden parties, outdoor soirees, formal birthdays, engagement parties, rehearsal dinners, anniversaries, special date nights

    Style Number/Barcode: 05002-000579

    Category Name: Summer Formal Dresses

    Price: $59.90

    Availability: In Stock

    Available Color: DENIM

    Available Size: XS, S, M, L, XL

    Product Badge:
    • Best Seller
  • Roxanna Floral Print Strapless Mermaid Dress

    Special Occasion

    Made for that slow-turn moment, the Roxanna floral printed knit mermaid dress hugs in all the right places before flowing into a sleek, sculpted finish. The strapless neckline and ring back detail add just enough intrigue—perfect for when you want to look polished but still unforgettable.

    Fit & Features

    • Lined stretch knit fabrication
    • Sleeveless square neckline, padded bra cups
    • Large floral print pattern
    • Open back with ring detail accent
    • Floor-length mermaid silhouette
    • Hidden side zipper closure
    • Runs true to size

     

    Where to Wear:

    Prom, birthday celebrations, dressed-up dinners, and formal parties.

    Style Number/Barcode: 05002-000877

    Category Name: Summer Formal Dresses

    Price: $79.90

    Availability: In Stock

    Available Color: PINK

    Available Size: XS, S, M, L, XL

    Product Badge:
    • Ships Free
  • Jaycee Satin Corset Mermaid Dress

    Special Occasion

    The Jaycee formal dress brings sleek glamour with sculpted satin and a striking mermaid silhouette. The structured corset bodice shapes the waist, while the halter neckline and leg slit add just the right amount of drama.

    Fit & Features

    • Stretch satin fabric with full-length knit lining
    • Sleeveless plunging V-neckline, padded bust
    • Corset bodice, flexible boning
    • Halter strap, partially open back, zipper with hook-eye closure
    • Pleated waist, high-cut side slit
    • Floor-sweeping mermaid silhouette with train
    • Runs true to size

     

    Where to Wear:

    Prom, galas, black-tie parties, red-carpet events, formal birthday celebrations, evening dinners, and chic soirees.

    Style Number/Barcode: 05002-001284

    Category Name: Summer Formal Dresses

    Price: $79.90

    Availability: In Stock

    Available Color: YELLOW, SAGE, ROYAL

    Available Size: XXS, XS, S, M

    Product Badge:
    • Ships Free
  • Serena Chiffon Formal Dress With Scarf

    Special Occasion

    Made for your most elegant RSVP, the Serena pleated chiffon gown moves with a soft, sweeping grace that feels effortless from every angle. Designed with an A-line floor length silhouette and a scarf included detail, it’s the kind of piece that makes your entrance feel quietly unforgettable.

    Fit & Features

    • Chiffon-lined fabric
    • Sweetheart neckline, spaghetti straps, padded bra cups
    • Back zipper and hook-eye closure
    • Scarf included
    • Pleated A-line silhouette
    • Floor-length hem
    • Runs true to size


    Where to Wear:

    Weddings, bridesmaids, rehearsal dinners, black tie galas, engagement parties, birthday dinners, formal shower celebrations, elegant soirees

    Style Number/Barcode: 05002-001739

    Category Name: Summer Formal Dresses

    Price: $89.90

    Availability: In Stock

    Available Color: SAGE, YELLOW

    Available Size: S, M, L

    Product Badge:
    • Ships Free
  • Heidi Satin Mermaid Formal Dress

    Special Occasion 

    Designed for candlelit receptions and grand entrances alike, the Heidi satin mermaid gown moves with an effortless sense of polish. A cowl pleated padded neckline, ruched side seams, and a front slit create a silhouette that feels refined, confident, and unforgettable.

    Fit & Features

    • Stretch satin fabric, sewn-in lining with stretch
    • Cowl pleated padded neckline
    • Adjustable spaghetti straps
    • Back zipper and hook-eye closure
    • Mermaid silhouette with ruched side seams
    • Front slit for ease of movement
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Weddings, candlelit ballroom galas, special dinners, upscale hotel venue celebrations, formal anniversary parties, milestone birthday events, black tie seasonal soiree, formal dances

    Style Number/Barcode: 05002-000668

    Category Name: Summer Formal Dresses

    Price: $69.90

    Availability: In Stock

    Available Color: LIGHT, BLUE, ROYAL

    Available Size: XS, S, M

  • Ruby Satin Low Back Column Formal Dress

    Special Occasion

    Polished with a soft, luminous allure, the Ruby dress is designed for evenings that call for effortless sophistication. Crafted in satin fabric, this column floor-length silhouette features a sequin beaded mesh V-neckline bust, delicate adjustable spaghetti straps, and a low back cowl detail that feels refined yet memorable.

    Fit & Features

    • Premium satin fabric, bust knit lining
    • V-neckline and adjustable spaghetti straps
    • Sequin, beaded mesh bust with back hook strap
    • Low back with cowl design
    • Floor-length column silhouette
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, bridesmaids, black-tie galas, rehearsal dinners, engagement parties, upscale receptions, formal anniversary celebrations, destination weddings, resort evening events, and special date nights.

    Style Number/Barcode: 05002-000670

    Category Name: Summer Formal Dresses

    Price: $69.90

    Availability: In Stock

    Available Color: YELLOW, PINK

    Available Size: M, L, S

    Product Badge:
    • Best Seller
  • Malia Floral Ruffle A-Line Formal Dress

    Special Occasion

    Float in with confidence and let every step feel cinematic. The Malia gown features airy floral mesh, a sculpted corset bodice, delicate tie straps, and a high slit that moves through a tiered ruffled A-line silhouette for a look that feels romantic, polished, and unforgettable.

    Fit & Features

    • Lightweight floral mesh with soft lining
    • V-neckline, padded bra cups,
    • Structured corset bodice with defined waist, boning inserts
    • Adjustable tie shoulder straps
    • Tiered ruffles, back zipper and hook-eye closure
    • High slit, A-line floor-length silhouette
    • Runs true to size

     

    Where to Wear:

    Prom, garden or vineyard weddings, balls, bridal celebrations, baby showers, formal milestone celebrations, garden parties, dressed-up events

    Style Number/Barcode: 05002-000934

    Category Name: Summer Formal Dresses

    Price: $145.90

    Availability: In Stock

    Available Color: IVORY

    Available Size: 1, 3, 5, 7

    Product Badge:
    • Ships Free
  • Delilah Satin Corset Slit Formal Dress

    Special Occasion

    There’s something undeniably captivating about a silhouette that hugs and flows in all the right places. Crafted in satin, the Delilah strapless corset bodice gown features a lace-up back and high front slit, creating a sculpted mermaid shape that feels equal parts polished and striking.

    Fit & Features

    • Stretch satin fabric
    • Strapless corset bodice, boning inserts
    • Lace-up back
    • High front slit
    • Mermaid floor-length silhouette
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, galas, black tie occasions, garden parties, rehearsal dinners, anniversary parties, upscale cocktail soirees, engagement parties, milestone celebrations

    Style Number/Barcode: 05002-000944

    Category Name: Summer Formal Dresses

    Price: $129.90

    Availability: In Stock

    Available Color: SAGE

    Available Size: XS, S, M

    Product Badge:
    • Ships Free
  • Sofie Metallic Floral High-Slit Formal Dress

    Special Occasion

    Made for golden hour entrances and late-night celebrations, the Sofie is the kind of metallic floral formal dress that stuns at every RSVP. Designed in a shimmering slinky silhouette with a dramatic high-slit and delicate open-back tie detail, it moves like liquid glam from rooftop cocktails to destination weddings.

    Fit & Features

    • Metallic foiled floral print, knit fabric with full-length knit lining, high stretch
    • Sleeveless cowl neckline
    • Spaghetti straps, open cross-back strappy design with tie closure
    • Ruched detailing
    • Floor-length hem, high-cut side slit
    • Curve-hugging silhouette
    • Runs true to size

     

    Where to Wear:

    Vacations, dressed-up dinners, rooftop parties, wedding guests, birthday celebrations, and glam nights out.

    Style Number/Barcode: 05002-001597

    Category Name: Summer Formal Dresses

    Price: $64.90

    Availability: In Stock

    Available Color: RED

    Available Size: XS, S, M, L

  • Sophia Mesh Open Back Mermaid Formal Dress

    Special Occasion

    Designed to turn heads from every angle, the Sophia floor-length mesh gown glides with quiet drama and sculpted elegance. The figure-hugging silhouette is finished with ruched seams, a draped cowl neckline, and an alluring open back—perfect for your next black-tie RSVP.

    Fit & Features

    • Mesh-lined fabric, moderate stretch
    • Cowl neckline
    • Adjustable spaghetti straps
    • Open back
    • Ruched seams
    • Mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Weddings, formal dances, black tie galas, upscale birthdays, garden parties, cocktail dinners, vacations, date nights, bridal showers, engagement parties, rehearsal dinners

    Style Number/Barcode: 05002-000330

    Category Name: Summer Formal Dresses

    Price: $59.90

    Availability: In Stock

    Available Color: YELLOW, MINT

    Available Size: XS, S, M, L, XL

  • Briley Tulle Pleated A-Line Formal Dress

    Special Occasion

    Light, layered, and designed to move beautifully, the Briley strapless gown creates a soft sense of drama with every step. A tulle pleated overlay flows over a sheer sequin lace mini dress lining with solid knit lining for a look that feels polished yet unforgettable.

    Fit & Features

    • Airy sheer tulle pleated overlay, floor-length
    • Strapless sweetheart neckline, built-in padded underwire bust
    • Back zipper and hook-eye closure
    • Sheer lace sequin bodycon mini dress lining
    • Solid knit lining
    • A-line silhouette
    • Runs true to size

     

    Where to Wear:

    Prom, bridal celebrations, engagement parties, garden parties, rehearsal dinners, fancy birthday brunch, formal galas, black-tie occasions, award dinners, spring formals

    Style Number/Barcode: 05002-000818

    Category Name: Summer Formal Dresses

    Price: $79.90

    Availability: In Stock

    Available Color: IVORY

    Available Size: XS, S, M, L

    Product Badge:
    • Ships Free
  • Priya Satin Tie Back Formal Dress

    Special Occasion

    For the kind of entrance that lingers long after you’ve passed through the room, the Priya gown is all sleek allure and soft drama. Crafted in luminous satin with a sculpted mermaid silhouette and elegant tie-back detail, it’s the definition of polished confidence for every RSVP that calls for something unforgettable.

    Fit & Features

    • Stretch silky satin fabric
    • Strapless sweetheart neckline, twist bust
    • Tie-back design
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, galas, black tie celebrations, rehearsal dinners, engagement parties, big birthday events, anniversary parties, red carpet award nights

    Style Number/Barcode: 05002-000920

    Category Name: Summer Formal Dresses

    Price: $79.90

    Availability: In Stock

    Available Color: MAGENTA

    Available Size: XS, S, M, L

    Product Badge:
    • Ships Free
  • Rosalie Formal Satin Sequin Mermaid Dress

    Special Occasion

    For evenings that feel dipped in champagne and camera flashes. The Rosalie pairs a smooth satin sweetheart bodice with a sculpted mermaid silhouette and a shimmering sequin skirt, creating a striking contrast that feels both romantic and undeniably refined.

    Fit & Features

    • Woven satin bodice with structured lining
    • Sleeveless sweetheart neckline, padded bra cups sewn-in
    • Adjustable spaghetti straps
    • Sequin embellishments, mesh-lined fabric
    • Floor-length mermaid silhouette
    • Runs true to size

     

    Where to Wear:

    Prom, big milestone celebrations, red carpet occasions, black tie galas, weddings, spring balls

    Style Number/Barcode: 05002-000995

    Category Name: Summer Formal Dresses

    Price: $149.90

    Availability: In Stock

    Available Color: PINK

    Available Size: XS, S, M, L

    Product Badge:
    • Ships Free
  • Tessa Bow Beaded Lace-Up Formal Dress

    Special Occasion

    Romantic with a playful edge, the Tessa is made for entrances that feel effortless yet unforgettable. Designed in a mermaid silhouette with a bow beaded pattern, tie shoulder straps, and a strappy lace-up back, it contours the figure before flowing into a sleek, sculpted finish worthy of any formal celebration.

    Fit & Features

    • Beaded bow pattern, mesh-lined fabric
    • V-neckline with tie shoulder straps
    • Mermaid silhouette, floor-length hem
    • Strappy lace-up back
    • Runs true to size

     

    Where to Wear:

    Prom, outdoor weddings, galas, balls, garden parties, fancy shower celebrations, anniversaries, special dates, formal milestone events

    Style Number/Barcode: 05002-001027

    Category Name: Summer Formal Dresses

    Price: $129.90

    Availability: In Stock

    Available Color: YELLOW

    Available Size: XXS, XS, S, M, L

    Product Badge:
    • Ships Free
  • Aylin Tropical Floral Formal Dress

    Special Occasion

    The Aylin dress was made for unforgettable entrances and warm evening celebrations. Designed in a statement tropical floral print with a sweeping mermaid floor-length silhouette, it features a flattering V-neckline, delicate adjustable spaghetti straps, and a tie-back open back that adds a striking finish.

    Fit & Features

    • Tropical floral print, knit-lined stretchy fabric
    • V-neckline, adjustable spaghetti straps
    • Tie-back, open back
    • Mermaid floor-length silhouette
    • Runs true to size

     

    Where to Wear:

    Prom, destination weddings, beachside ceremonies, tropical resorts, formal vacation dinners, anniversary trips, special getaways, and birthdays.

    Style Number/Barcode: 05002-001155

    Category Name: Summer Formal Dresses

    Price: $29.97 $79.90

    On Sale: Yes

    Availability: In Stock

    Available Color: WHITE, PRINT

    Available Size: XS, S, M, L

    Product Badge:
    • Sale
  • Hailey Strapless Mermaid Formal Dress

    Special Occasion

    The Hailey mesh mermaid gown hugs in all the right places with a softly sculpted, second-skin feel. The strapless neckline and ruched detailing create a fluid, flattering shape, while the sheer illusion bodice adds a modern, barely-there edge.

    Fit & Features

    • Knit fabric, partial lining
    • Strapless neckline, twist bust, padded bra cups
    • Sheer mesh bodice, back zipper and hook-eye closure
    • Mermaid silhouette with drape accent
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, formal occasions, vacations, resorts, honeymoons, birthday dinners, engagement parties, bridal celebrations

    Style Number/Barcode: 05002-001201

    Category Name: Summer Formal Dresses

    Price: $69.90

    Availability: In Stock

    Available Color: YELLOW

    Available Size: XXS, XS, S, M, L

  • Alexis Sequin Column Formal Dress

    Special Occasion

    Designed to feel polished with a touch of allure, the Alexis sequin column gown moves with understated drama from ceremony to after-party. A sleek strapless neckline pairs with a lace-up back and high side slit, creating a silhouette that feels refined, confident, and unforgettable.

    Fit & Features

    • Sheer mesh fabric with full-length knit lining, moderate stretch
    • Sequin embroidered scroll pattern
    • Strapless straight-across neckline, no-slip strip, padded bust
    • Open lace-up back design, lower back zipper with hook-eye closure
    • High-cut side slit
    • Floor-length fitted column silhouette
    • Runs true to size

     

    Where to Wear:

    Prom, big birthday events, formal milestone celebrations, fancy showers, gala events, cocktail parties, anniversary dinners, and upscale receptions.

    Style Number/Barcode: 05002-001193

    Category Name: Summer Formal Dresses

    Price: $99.90

    Availability: In Stock

    Available Color: IVORY

    Available Size: XXS, XS, S, M, L

    Product Badge:
    • Ships Free
  • Sherrie Mesh Slit Mermaid Formal Dress

    Special Occasion

    Designed to turn every step into a moment, the Sherrie mesh gown features a ruched bodice, delicate straps, and a cascading ruffle slit that adds movement and allure. The fitted silhouette flows effortlessly, giving just the right balance of romance and drama.

    Fit & Features

    • Airy mesh-lined fabric
    • Sweetheart neckline with padded bra cups
    • Adjustable spaghetti straps
    • Back zipper and hook-eye closure
    • High front ruffled slit
    • Mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Weddings, black tie galas, military balls, engagement parties, rehearsal dinners, fancy birthday events, anniversaries, red-carpet occasions

    Style Number/Barcode: 05002-001129

    Category Name: Summer Formal Dresses

    Price: $79.90

    Availability: In Stock

    Available Color: PINK

    Available Size: XXS, XS, S

    Product Badge:
    • Ships Free
  • Maren Floral Sequin Mesh Halter Formal Dress

    Special Occasion

    Shimmering and statuesque, the Maren formal dress brings ethereal glam to every entrance. Designed in floral sequin–beaded mesh that catches the light like a constellation, this cowl halter gown features an open tie-back and a sleek column silhouette finished with a high side slit—effortlessly elegant, endlessly captivating.

    Fit & Features

    • Floral sequin, beaded embellishments
    • Mesh-lined stretch fabric
    • Cowl halter neckline, spaghetti straps, tie closure
    • Open back with tie
    • High side slit
    • Column floor-length silhouette
    • Runs true to size

     

    Where to Wear:

    Galas, black-tie weddings, holiday soirees, red-carpet events, birthday dinners, glam date nights, evening cocktail parties, NYE celebrations

    Style Number/Barcode: 05002-000534

    Category Name: Summer Formal Dresses

    Price: $79.90

    Availability: In Stock

    Available Color: MOCHA

    Available Size: XS, S, M, L, XL

    Product Badge:
    • Ships Free
  • Emmalyn Mesh Off-The-Shoulder Formal Dress

    Special Occasion

    Softly sculpted and designed for a polished entrance, the Emmalyn gown moves with quiet drama and refined allure. Crafted from mesh fabric with an off-the-shoulder sweetheart ruffle trim neckline and a high side slit with ruffle trim, its form-hugging long silhouette feels timeless yet unforgettable.

    Fit & Features

    • Sheer mesh fabric lined with knit
    • Off-the-shoulder, sweetheart ruffle trim neckline
    • Back zipper and hook-eye closure
    • Ruffled trim, high side slit
    • Form-hugging silhouette
    • Long-length hemline with ruffle trim
    • Runs true to size

     

    Where to Wear:

    Black-tie weddings, formal celebrations, galas, receptions, red-carpet birthday events, milestone parties, destination or resort venues, garden parties, formal dances, fashion events

    Style Number/Barcode: 05002-000543

    Category Name: Summer Formal Dresses

    Price: $69.90

    Availability: In Stock

    Available Color: PINK

    Available Size: S, M, L

    Product Badge:
    • Best Seller
  • Annika Floral Lace Mermaid Dress

    Special Occasion

    Romantic and quietly striking, the Annika mermaid dress is made for moments when the setting feels just as special as the celebration. Crafted in floral lace with a satin strapless neckline and chic tie-back design, it hugs the figure before flowing into a graceful mermaid silhouette. Polished and effortlessly pretty—perfect for making an entrance without trying too hard.

    Fit & Features

    • Floral printed sheer lace fabric with full-length knit lining, high stretch
    • Satin strapless sweetheart neckline, knot-front design
    • Ruched and padded bust, no-slip strip
    • Tie-back design, hidden strap with hook-eye closure
    • Open lower back, zipper with hook-eye closure
    • Floor-length mermaid silhouette
    • Runs true to size

     

    Where to Wear:

    Engagement parties, bridal showers, rehearsal dinners, fancy garden parties, formal birthday celebrations, and dressed-up dinners.

    Style Number/Barcode: 05002-000811

    Category Name: Summer Formal Dresses

    Price: $79.90

    Availability: In Stock

    Available Color: LIGHT, BLUE

    Available Size: XS, S, M, L

    Product Badge:
    • Ships Free
  • Raya Rhinestone Mermaid Formal Dress

    Special Occasion

    Under soft lights, the Raya shimmers with every step, catching attention in the most refined way. Designed in a sculpting mermaid silhouette with delicate rhinestone detailing and a graceful tie-back finish, it’s the kind of gown that feels effortlessly polished from ceremony to last dance.

    Fit & Features

    • Mesh fabric with swirl embroidered pattern, full-length knit lining, high stretch
    • All-over iridescent rhinestone embellishments
    • V-neckline, adjustable spaghetti straps
    • Open tie-back detail for customizable fit, lower back ruched detailing
    • Mermaid silhouette that contours through the hips
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, big birthday events, glamorous soirees, garden parties, black-tie weddings, galas, and balls.

    Style Number/Barcode: 05002-001186

    Category Name: Summer Formal Dresses

    Price: $89.90

    Availability: In Stock

    Available Color: YELLOW

    Available Size: S, M, L

    Product Badge:
    • Ships Free
  • Irie Sequin Lace Mermaid Formal Dress

    Special Occasion

    Designed for evenings that call for polish with presence, the Irie glides with a confident, sculpted ease. Sequin lace shapes a floor-length mermaid silhouette, finished with a V neck and a lace up cutout back that feels refined yet striking.

    Fit & Features

    • Sequin lace fabric with knit lining
    • V-neckline, padded bra cups, adjustable spaghetti straps
    • Mermaid floor-length silhouette
    • Lace up cutout back with zipper and hook-eye closure
    • Runs true to size

     

    Where to Wear:

    Prom, big birthday event, formal milestone celebrations, balls, galas, garden parties, special occasion dinner, red-carpet event

    Style Number/Barcode: 05002-001527

    Category Name: Summer Formal Dresses

    Price: $149.90

    Availability: In Stock

    Available Color: YELLOW

    Available Size: XS, S, M, L

    Product Badge:
    • Ships Free