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!
$39.90
A strapless white mini dress in crepe knit with a drop waist and flattering A-line silhouette.
$39.90
A chic black crepe wrap dress with a plunging V-neckline and high front slit.
$109.90
A chic navy blue mermaid dress with sequins, a square neckline, and a thigh-high slit.
$109.90 - $149.90
A yellow mermaid dress with sequin-scroll pattern, V-neckline, and lace-up back for formal events.
$32.90
A lime yellow mesh mini dress with a cowl neckline and adjustable spaghetti straps for a chic night.
$79.90
A white taffeta mini dress featuring a detachable bow with a dramatic train for stunning entrances.
$79.90
A white mini dress featuring faux pearl embellishments and a strappy open-back design.
$34.90
A sleek black knit mini dress with a cowl halter neckline and sultry open-back design.
$52.90
A white mini bodycon dress with faux pearl embellishments and adjustable spaghetti straps.
$69.90
A white bodycon mini dress with iridescent rhinestones and faux pearls on sheer mesh fabric.
$64.90
A pink strapless mesh dress with asymmetrical ruffles, perfect for formal occasions.
$76.90
A blush glitter mini dress with a strapless neckline, pleat detailing, and a dramatic bow train.
$64.90
A gold satin mermaid dress featuring a one-shoulder neckline, pleated side seam, and high front slit.
$46.90
A vibrant yellow skater dress with a ruffled design, halter tie-back, and smocked high waist.
$39.90
A navy blue glitter mesh mini dress with a sleeveless V-wire neckline and side ruched seams.
$64.90
A black bodycon mini dress with sheer sleeves and sparkling rhinestones for a glamorous look.
$99.90
A light blue floral jacquard skater dress featuring a corset bodice, metallic threading, and hidden pockets.
$54.90
A navy blue mini dress adorned with rhinestones and pearls, featuring a bodycon silhouette and cowl neckline.
$48.90
An elegant black off-the-shoulder midi dress with ruched sides and a flattering bodycon fit.
$19.97 $64.90 69% off
A dazzling white sequin party dress with a sweetheart neckline and adjustable spaghetti straps.
$54.90
A chic black midi dress with a glitter knit fabric, featuring a wrap hem and flirty slit.
$54.90
An ivory floral satin dress with a lace-up back and flirty A-line silhouette.
$59.90
A light blue strapless A-line glitter dress with hidden pockets and a surplice V-neckline.
$69.90
A pink satin mermaid dress with floral print and lace-up back for formal occasions.
$59.90
A stunning periwinkle mesh dress with a ruched mermaid silhouette and off-the-shoulder neckline.
$14.97 $59.90 75% off
A black bodycon mini dress with rhinestone embellishments, featuring a V-neckline and sheer sleeves.
$59.90
A stunning red one-shoulder formal dress with a ruffled high slit and bodycon silhouette.
$19.97 $69.90 71% off
A strapless mauve formal dress with ruffles, a high side slit, and a slim silhouette.
$38.90
A curve-hugging black maxi dress crafted from partially sheer mesh fabric with a sweetheart neckline.
$69.90
A pink satin skater dress featuring a lace-up back, corset bodice, and bow tie shoulder straps.
$119.90
A glamorous periwinkle formal dress with sequin embellishments, strappy open back, and high front slit.
$34.90
A sultry brown bodycon mini dress featuring an abstract print, cowl neck, and open back design.
$99.90
A neon orange sequin formal dress featuring a lace-up corset bodice and high front slit.
$44.90
A burgundy lace midi dress featuring a sweetheart neckline, padded cups, and a flattering bodycon silhouette.
$59.90
A denim blue floral dress featuring a cowl neckline, adjustable straps, and a dramatic high front slit.
$69.90
A sage satin strapless skater dress featuring a ruched sweetheart neckline and chic pleated silhouette.
$59.90
A sleek black knit mermaid gown featuring a one-shoulder neckline, side cutout, and attached sash.
$59.90
A chic navy blue satin midi dress featuring a strapless bodycon fit and elegant wrap front slit.
$119.90
A pink sequin formal dress with a corset bodice and mermaid silhouette for glamorous events.
$69.90
A blue glitter formal dress with a cowl neckline, high slit, and adjustable spaghetti straps.
$99.90
A dazzling denim sequin formal dress featuring a cutout open back and mermaid silhouette.
$89.90
An ivory lace mermaid dress with ruffled straps and a captivating tie-back design.
$79.90
A sparkling red formal dress featuring a cutout bodice, high slit, and adjustable straps.
$99.90
A coral sequin formal dress with a lace-up back, high slit, and form-hugging silhouette.
$9.97 $74.90 87% off
An off-the-shoulder black velvet mini dress with rhinestone embellishments and a sheer mesh bodice.
$89.90
A playful pink A-line short dress featuring lace trim, adjustable straps, and hidden side pockets.
$52.90
A blue mesh mini dress with rhinestone embellishments, adjustable straps, and an asymmetric ruffled design.
$42.90
A black glitter mini dress with off-the-shoulder neckline, sheer sleeves, and ruching details.
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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
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
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
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
Lavish yourself with a luxe formal dress that elevates your special occasion outfit! Cheyenne features a one-shoulder neckline, a wired V-neck bust, a fitted long sleeve, a high side slit on the floor-length hem, and a curve-hugging A-line silhouette. The long dress is composed of a lined velvet fabric that offers a moderate stretch. Complete the look with rhinestone heels and a sphere clutch. Fit & FeaturesOne-shoulder neckline, wired V-neck bust, Fitted long sleeve, High side slit, floor-length hem, A-line silhouette, Lined velvet fabric, Form-hugging fit, moderate stretch, Strapless or sticky bra recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Cheyenne Formal One-Shoulder Velvet Dress in Black-2 | Size: S | Rhinestone/Velvet Fabric
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
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
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
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. Fit & FeaturesSilky 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. Free Shipping on All Orders Over $75. | Windsor Jamie Lace-Up Satin Formal Column Dress in Red | Size: XS | Knit Fabric/Satin Fabric
The Rose formal long column dress is the perfect combination of elegance and glamour with a sheer corset trim and high-side slit for effortless allure! Fit & FeaturesMesh fabric, partial stretchy knit lining, Sleeveless sweetheart neckline, cowl pleating, Adjustable spaghetti straps, crisscross open back, Padded bust, sheer corset bodice, flexible boning, Side ruched seams, fitted column silhouette, High-side slit, floor-length hem, Style runs small, Where to Wear:Prom, weddings, bridesmaids, rehearsal dinners, cocktail soirees, and dressed-up date nights. Free Shipping on All Orders Over $75. | Windsor Rose Formal Mesh Corset Column Dress in Green | Size: M | Knit Fabric/Mesh Fabric
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.