Birthday Party Dresses For Adults

Birthday party dresses for adults are all about making your entrance unforgettable—because the spotlight was basically made for you, right? Whether you’re blowing out candles or just owning the dance floor, it’s your time to shine and celebrate yourself with a look that feels as bold and fun as you are. From flirty minis to glam maxis, these birthday party dresses for adults are ready to help you turn every moment into a main character moment. So go ahead, channel that birthday energy and let’s make some memories—you deserve it!

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$39.90

4.584796 star rating

A chic black crepe wrap dress with a plunging V-neckline and high front slit.

$109.90

4.726191 star rating

A chic navy blue mermaid dress with sequins, a square neckline, and a thigh-high slit.

$109.90 - $149.90

4.568182 star rating

A yellow mermaid dress with sequin-scroll pattern, V-neckline, and lace-up back for formal events.

Best Seller

$32.90

4.595238 star rating

A lime yellow mesh mini dress with a cowl neckline and adjustable spaghetti straps for a chic night.

$39.90

4.626506 star rating

A sultry black formal dress with rhinestone straps, cowl neckline, and a high slit.

$79.90

4.449276 star rating

A white taffeta mini dress featuring a detachable bow with a dramatic train for stunning entrances.

$59.90

4.615385 star rating

A white mini dress with iridescent sequins, sheer velvet fabric, and adjustable spaghetti straps.

Best Seller

$79.90

4.773585 star rating

A white mini dress featuring faux pearl embellishments and a strappy open-back design.

$34.90

4.765957 star rating

A sleek black knit mini dress with a cowl halter neckline and sultry open-back design.

$52.90

4.695652 star rating

A white mini bodycon dress with faux pearl embellishments and adjustable spaghetti straps.

Best Seller

$69.90

4.594595 star rating

A white bodycon mini dress with iridescent rhinestones and faux pearls on sheer mesh fabric.

$64.90

4.916667 star rating

A pink strapless mesh dress with asymmetrical ruffles, perfect for formal occasions.

$76.90

4.75 star rating

A blush glitter mini dress with a strapless neckline, pleat detailing, and a dramatic bow train.

$46.90

4.736842 star rating

A vibrant yellow skater dress with a ruffled design, halter tie-back, and smocked high waist.

$39.90

4.3125 star rating

A navy blue glitter mesh mini dress with a sleeveless V-wire neckline and side ruched seams.

$46.90

4.785714 star rating

A black glitter crepe knit mini dress with sheer bell sleeves and a bodycon silhouette.

$64.90

4.571429 star rating

A black bodycon mini dress with sheer sleeves and sparkling rhinestones for a glamorous look.

$99.90

4.5 star rating

A light blue floral jacquard skater dress featuring a corset bodice, metallic threading, and hidden pockets.

$54.90

4.083334 star rating

A navy blue mini dress adorned with rhinestones and pearls, featuring a bodycon silhouette and cowl neckline.

$39.90

4.5 star rating

A strapless white mini dress in crepe knit with a drop waist and flattering A-line silhouette.

$48.90

4.9 star rating

An elegant black off-the-shoulder midi dress with ruched sides and a flattering bodycon fit.

Sale

$19.97 $64.90 69% off

4.5 star rating

A dazzling white sequin party dress with a sweetheart neckline and adjustable spaghetti straps.

$54.90

4.6 star rating

A chic black midi dress with a glitter knit fabric, featuring a wrap hem and flirty slit.

$59.90

4 star rating

A light blue strapless glitter dress with a V-neckline, hidden pockets, and A-line silhouette.

$54.90

4.5 star rating

An ivory floral satin dress with a lace-up back and flirty A-line silhouette.

$59.90

4.333334 star rating

A stunning periwinkle mesh dress with a ruched mermaid silhouette and off-the-shoulder neckline.

$69.90

4.333334 star rating

A pink satin mermaid dress with floral print and lace-up back for formal occasions.

Sale

$14.97 $59.90 75% off

4.6 star rating

A black bodycon mini dress with rhinestone embellishments, featuring a V-neckline and sheer sleeves.

Sale

$19.97 $69.90 71% off

4.8 star rating

A strapless mauve formal dress with ruffles, a high side slit, and a slim silhouette.

$69.90

4 star rating

A pink satin skater dress featuring a lace-up back, corset bodice, and bow tie shoulder straps.

$59.90

4 star rating

A stunning red one-shoulder formal dress with a ruffled high slit and bodycon silhouette.

$119.90

3.5 star rating

A glamorous periwinkle formal dress with sequin embellishments, strappy open back, and high front slit.

$169.90

4 star rating

A pink mesh mermaid dress with bead sequins, lace-up back, and high front slit.

$34.90

4.5 star rating

A sultry brown bodycon mini dress featuring an abstract print, cowl neck, and open back design.

$38.90

4.5 star rating

A curve-hugging black maxi dress crafted from partially sheer mesh fabric with a sweetheart neckline.

$44.90

4.666667 star rating

A burgundy lace midi dress featuring a sweetheart neckline, padded cups, and a flattering bodycon silhouette.

$59.90

3.666667 star rating

A denim blue floral dress featuring a cowl neckline, adjustable straps, and a dramatic high front slit.

$59.90

4 star rating

A sleek black knit mermaid gown featuring a one-shoulder neckline, side cutout, and attached sash.

$69.90

4.333334 star rating

A sage glitter mesh skater dress featuring a corset-style bodice and tiered ruffled silhouette.

$59.90

5 star rating

A chic navy blue satin midi dress featuring a strapless bodycon fit and elegant wrap front slit.

$99.90

5 star rating

A dazzling denim sequin formal dress featuring a cutout open back and mermaid silhouette.

$119.90

5 star rating

A pink sequin formal dress with a corset bodice and mermaid silhouette for glamorous events.

$69.90

4.5 star rating

A blue glitter formal dress with a cowl neckline, high slit, and adjustable spaghetti straps.

$89.90

4.5 star rating

An ivory lace mermaid dress with ruffled straps and a captivating tie-back design.

$79.90

5 star rating

A sparkling red formal dress featuring a cutout bodice, high slit, and adjustable straps.

$99.90

5 star rating

A coral sequin formal dress with a lace-up back, high slit, and form-hugging silhouette.

Sale

$9.97 $74.90 87% off

5 star rating

An off-the-shoulder black velvet mini dress with rhinestone embellishments and a sheer mesh bodice.

$52.90

5 star rating

A blue mesh mini dress with rhinestone embellishments, adjustable straps, and an asymmetric ruffled design.

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Windsor Mayra Formal Satin Slit Long Dress in Sage
(175) 4.6171427 star rating

Slip into the luxe vibes of Mayra! Designed to highlight your figure, this formal satin dress delivers a chic form-hugging fit and a high slit for effortless movement. Fit & FeaturesSmooth satin-knit fabric, moderate stretch, Sleeveless square neckline, spaghetti straps, Fitted bodice, side hip pleating, Form-fitting silhouette, high-cut front slit, Floor-length hem, Style runs small, Where to Wear:Homecoming, weddings, black-tie parties, galas, military balls, engagement parties, rehearsal dinners, bridal celebrations, birthday events, milestone celebrations Free Shipping on All Orders Over $75. | Windsor Mayra Formal Satin Slit Long Dress in Sage | Size: S | Satin Fabric

Windsor Sasha Formal High Slit Wrap Dress in Black
(171) 4.5847955 star rating

Create a captivating entrance in this formal wrap dress for your next soiree. All eyes are on you in this stylishly chic long formal dress with a plunging V-neckline to perfectly display a sparkling rhinestone lariat or delicate layers of dainty necklaces. Fit & FeaturesCrepe fabric, moderate stretch, Asymmetrical wrap V-neckline, Adjustable spaghetti straps, Ruched detailing, slim-fit bodice, High front slit, floor-length wrap silhouette, Runs true to size, Where to Wear:Prom, black-tie weddings, and formal parties. Free Shipping on All Orders Over $75. | Windsor Sasha Formal High Slit Wrap Dress in Black | Size: XS | Rhinestone

Marissa Formal Satin Cowl Neck Dress in Green
(168) 4.5654764 star rating

The Marissa long satin dress brings elegance and sultriness to your formal night. The floor-length gown enhances your curves with a fitted bodice and flattering A-line silhouette while the high front slit provides movement. Fit & FeaturesStretch-satin fabric, non-see-through, double-lined bust, Sleeveless pleated cowl neckline, spaghetti straps, Slim-fit bodice, empire waistline, High front slit, floor-length hem, A-line silhouette, Runs true to size, Where to Wear:Prom, weddings, black-tie soirees, special date nights, and engagement parties. Free Shipping on All Orders Over $75. | Windsor Marissa Formal Satin Cowl Neck Dress in Green | Size: S | Satin Fabric

Windsor Rowena Sequin Mermaid Dress in Navy Blue
(168) 4.7261906 star rating

Chic and glamorous, the Rowena sequin mermaid long dress will stylishly elevate your formal night-out look. With a lace-up strap design and fitted mermaid silhouette with a high slit, you'll deliver stunning style. Fit & FeaturesSheer mesh fabric, knit lining, moderate stretch, embroidered sequin scroll design, Sleeveless square neckline, padded bust, Spaghetti straps, open back, lace-up strap design, tie closure, Lower back zipper with hook and eye closure, High waist seam, Fitted floor-length mermaid silhouette, high front slit, Runs true to size, Where to Wear:Prom, black-tie parties and galas, fancy engagement parties Free Shipping on All Orders Over $75. | Windsor Rowena Sequin Mermaid Dress in Navy Blue | Size: M | Knit Fabric/Mesh Fabric/Sheer Mesh Fabric

Windsor Wrapped In Stylish Satin Mini Dress in Denim
(153) 4.6601305 star rating

Get all wrapped up in this stylish sleek satin mini dress. Dance the night away at that upcoming wedding or celebrate a girl's night in this statement dress that will have all eyes on you. The dress features a sleeveless square neckline, spaghetti straps, and a ruched wrap silhouette that hugs curves in all the right places. The mini-length dress is composed of a satin-like fabric that offers a moderate stretch. Complete your look with rhinestone earrings and strappy heels. Fit & FeaturesSleeveless square neckline, spaghetti straps, Strapless bra recommended, Ruched wrap-front detail , Mini-length bodycon silhouette , Satin-like fabric, sheen finish, Form-hugging fit, moderate stretch, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Wrapped In Stylish Satin Mini Dress in Denim | Size: XS | Rhinestone/Satin Fabric

Addison Glitter Mesh Formal Dress in Black
(112) 4.642857 star rating

Make a sparkly statement at your next soiree in the trendy glam Addison glitter formal dress! Bring radiance to the room in this floor-length dress with a sleek design that fits like a glove. Fit & FeaturesSheer glitter mesh fabric, full knit stretchy lining, Sleeveless cowl neckline, spaghetti straps, High waist seam, Floor-length fitted silhouette, Runs true to size, Where to Wear:Prom, black tie weddings, galas, special date nights, rehearsal dinner Free Shipping on All Orders Over $75. | Windsor Addison Glitter Mesh Formal Dress in Black | Size: XS | Knit Fabric/Mesh Fabric/Mesh Fabric

So Your Vibe Strapless A-line Mini Dress in Denim
(95) 4.7473683 star rating

This adorable strapless A-line mini dress is so your vibe! Designed with a stretchy lined knit fabric, it features a strapless straight-across neckline, chic pleated detailing at the bust, and a flirty flowy A-line silhouette on the mini-length hem. Style for a girl's night with statement earrings and strappy mules. Fit & FeaturesStretchy knit fabric with knit lining, Strapless straight neckline, no-slip strip, Pleated bust, A-line fit, Runs true to size, Free Shipping on All Orders Over $75. | Windsor So Your Vibe Strapless A-line Mini Dress in Denim | Size: L | Knit Fabric

Bethanie Formal Sequin V-Neck Mermaid Dress in Yellow
(88) 4.568182 star rating

Embellished with light-catching sequins, the Bethanie formal dress is a clear stunner with a lace-up back and a flattering mermaid silhouette with a floor-length hem. Fit & FeaturesSequin-scroll pattern, mesh fabric, stretch knit lining, Sleeveless V-neckline, padded bust, Lace-up back, zipper and hook-eye closure, Mermaid silhouette, Floor-length hem, Runs true to size, Where to Wear:Prom, black-tie events, formal weddings, and upscale parties. Free Shipping on All Orders Over $75. | Windsor Bethanie Formal Sequin V-Neck Mermaid Dress in Yellow | Size: S | Knit Fabric/Mesh Fabric/Mesh Fabric

Senorita Mesh Strappy Mini Dress in Pink
(85) 4.6 star rating

Look and feel like a sultry senorita in this mesh mini dress perfect for an chic night on the town! It features a sleeveless cowl neckline, dual adjustable spaghetti straps with a tie-neck closure, and side and back ruched seams designed to flaunt your curves along the bodycon silhouette. Complete the look with hoop earrings. Fit & FeaturesSleeveless cowl neckline, Dual adjustable spaghetti straps, tie-neck closure, Side and back ruched seams, Back zipper and hook-eye closure, Bodycon silhouette, mini-length hem, Mesh fabric, brushed soft knit stretchy lining, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Senorita Mesh Strappy Mini Dress in Pink | Size: L | Knit Fabric/Mesh Fabric/Mesh Fabric

Windsor Alisha Rhinestone Strap Formal Dress in Black
(83) 4.626506 star rating

Sultry and stunning, the Alisha formal dress will keep all eyes on you. With thin rhinestone detailed straps that give effortless sparkle and a curve-hugging silhouette, and an alluring high slit. Fit & FeaturesLightweight, breathable stretchy fabric, Sleeveless cowl neckline, Rhinestone detailed straps, High waist seam, Floor-length hem, form-fitting silhouette, high slit, Runs true to size, Where to Wear:Prom, glamorous evenings, dinner parties, weddings Free Shipping on All Orders Over $75. | Windsor Alisha Rhinestone Strap Formal Dress in Black | Size: L | Stretchy Fabric/Rhinestone

Birthday Party Dresses For Adults

When it’s your birthday, the spotlight is yours—and your dress should make you feel every bit the main character. Birthday party dresses for adults aren’t just outfits; they’re declarations. Whether you’re blowing out candles in a rooftop lounge, dancing through midnight in a city club, or hosting a backyard soirée with your favorite crew, your dress sets the vibe for the night. Think glitter that catches every flicker of candlelight, silky satins that feel like a second skin, and flirty ruffles that move with every beat of your birthday playlist. The right birthday look is about more than just turning heads; it’s about feeling unstoppable, laughing until your cheeks hurt, and making memories that’ll have your group chat buzzing for months. The best part? Birthday dresses Windsor girls love are as unique as the babes who wear them—whether you’re channeling your inner bombshell in a curve-hugging mini or keeping it effortlessly chic in a flowy midi, you’ll find something that vibes with your energy and your party plans.

Choosing the perfect birthday dress is all about matching your mood and your moment. If your celebration calls for a little extra sparkle (and let’s be honest, whose doesn’t?), go for sequins, rhinestones, or metallic fabrics that shine as bright as your birthday glow. Love a dramatic entrance? A bold cutout, statement sleeve, or an open back is your ticket to main event status. For those who want to keep it low-key but still unforgettable, slip into a sleek slip dress or a classic bodycon—just add your favorite heels and you’re good to go. And if you’re shopping for the birthday queen in your life, a dress from the birthday dresses Windsor collection is the ultimate hype-girl move—gift her something that says, “Tonight, you’re everything.” These dresses aren’t just for the birthday girl, either; they’re perfect for anyone who wants to raise the style stakes at a birthday bash, whether you’re the guest of honor, the bestie with the camera, or the friend who always brings the confetti.

No matter how you celebrate, your birthday dress should be as fearless and fun as you are. August nights are made for bold colors, breezy fabrics, and playful details that keep you cool while you turn up the heat on the dance floor. Don’t be afraid to mix textures, layer on the sparkle, or try something you’ve never worn before—this is your night, and the rules don’t apply. And if you’re on the hunt for a look that fits a specific party theme, Windsor’s got your back with a curated collection of Party Theme Dresses that make matching your dress to your dream party easier than ever. Whether you’re planning a glam girls’ night out, a romantic dinner date, or a backyard bash under the stars, your birthday dress is your secret weapon for feeling like the best version of yourself. Here’s to unforgettable nights, endless compliments, and a year ahead that’s even brighter than your birthday candles.

Top Picks For Birthday Party Dresses For Adults