Dresses For 21st Birthday
Turning twenty-one calls for a dress that’s as unforgettable as the night itself. Dresses for your 21st birthday should feel like a celebration in fabric—bold, playful, and totally you. Whether you’re planning a rooftop toast, a dance-all-night moment, or something more low-key with your crew, there’s no wrong way to show up. From flirty minis to chic midis and everything in between, finding the perfect fit is half the fun. Your only job? Pick a dress that makes you want to say yes to every photo op and every last-minute plan.
$36.90
An elegant rose knit midi dress featuring an off-the-shoulder neckline and flared hem for a chic silhouette.
$79.90
A white mini dress with faux pearl embellishments, strappy open-back, and a bodycon silhouette.
$84.90
A black strapless bodycon mini dress with beaded mesh fabric, perfect for formal occasions.
$69.90
A yellow bodycon mini dress featuring iridescent rhinestones, faux pearls, mesh overlay, and adjustable straps.
$64.90
A dreamy yellow strapless mesh dress with ruffle trim, high side slit, and slim silhouette.
$59.90
A navy blue strapless column dress in slinky knit fabric with pleated seams and a high side slit.
$69.90
A burgundy satin formal dress featuring an off-the-shoulder pleated neckline and a front wrap slit.
$26.90
A charcoal bodycon mini dress with a mock neck and fitted long sleeves in cotton-blend knit.
$52.90
A wine-colored bodycon mini dress featuring ruffled tulle hem, low back, and smooth knit-lined fabric.
$39.90
A brown knit A-line skater dress featuring a plunging halter neckline and strappy open back.
$48.90
An elegant black off-the-shoulder midi dress with ruched sides and a flattering bodycon fit.
$44.90
A metallic olive knit maxi dress featuring a plunge cowl halter neckline and adjustable strappy open back.
$28 $39.90 30% off
A brown glitter knit mini dress featuring a halter cowl neckline, open back, and ruched bodycon silhouette.
$99.90
A black glitter A-line gown featuring a corset bodice, sweetheart neckline, and high front slit.
$59.90
A strapless yellow mermaid dress featuring glitter knit fabric, ruched sides, and a dramatic floor-length hem.
$52.90
A navy blue glitter knit bodycon dress with a V-neckline and adjustable spaghetti straps.
$44.90
A sage lace midi dress featuring a sweetheart neckline, padded cups, and a curve-hugging bodycon silhouette.
$89.90
A red rhinestone-embellished mermaid dress featuring wide straps, ruched sides, and a floor-length hem.
$99.90
A light blue mermaid sequin dress with a cutout back and high slit for formal events.
$74.90
A black glitter mesh mini dress featuring a corset bodice, draped sash, and adjustable spaghetti straps.
$59.90
A pink glitter knit mini dress featuring a ruched bodycon fit, sweetheart neckline, and open back.
$14.97 $69.90 79% off
A sage satin strapless skater dress featuring a ruched sweetheart neckline and pleated short silhouette.
$119.90
A glamorous orange mermaid dress featuring sequins, a lace-up back, and a high front slit.
$46.90
A black rhinestone-embellished strapless romper with a form-hugging silhouette and high waist seam.
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Mayra Formal Satin Slit Long Dress in Navy Blue-2
$29.97 $59.90
50% off
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 Navy Blue-2 | Size: M | 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: M | Rhinestone
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 | Size: S | Rhinestone/Velvet 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:Formal dances, black-tie events, formal weddings, and upscale parties. Free Shipping on All Orders Over $75. | Windsor Bethanie Formal Sequin V-Neck Mermaid Dress in Pink-2 | Size: XXS | Knit Fabric/Mesh Fabric/Mesh Fabric
Designed to be eyed up and down, the Shayla long formal dress brings the sultry heat to any black-tie occasion! A curved neckline and sheer mesh lace corset bodice create a sophisticated silhouette, while the lace-up back provides a personalized fit. Fit & FeaturesSheer mesh, smooth knit fabric, Lace corset bodice, flexible boning, padded bra cups, Lace-up, back zipper with hook-eye closure, Floor-length fitted silhouette, high front wrap slit, Runs true to size, Where to Wear:Formal dances, black-tie galas, red-carpet occasions, and big birthday events, weddings, bridal showers, engagement parties, rehearsal dinners. Free Shipping on All Orders Over $75. | Windsor Shayla Strapless Corset Lace Formal Dress in Red | Size: S | Knit Fabric/Sheer Mesh Fabric
Look your best for a fancy night in the stunning Amirah formal glitter dress! Fashioned with an eye-catching cross back, this dress will make you feel like the star of the evening with a high slit and floor-length column silhouette. Fit & FeaturesGlitter knit fabric, moderate stretch, Sleeveless cowl neckline, Spaghetti straps, cross back, Side pleated seam, slim silhouette, high front slit, Floor-length column silhouette, Runs true to size, Extra glitter for maximum sparkle - may have some natural fallout, Where to Wear:Prom, black-tie weddings, galas, and upscale birthday events. Free Shipping on All Orders Over $75. | Windsor Amirah Formal Glitter Cowl Neck Column Dress in Green | Size: M | Knit Fabric
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 Brown | Size: XS | Knit Fabric/Mesh Fabric
Stunning for brides and celebrations, the Savannah formal crepe dress showcases simplicity and chicness! With a form-hugging silhouette and sultry high front slit, this formal dress is perfect for an evening of elegance. Fit & FeaturesLined crepe fabric, moderate stretch, Sleeveless square neckline, tank-style straps, Back zipper and hook-eye closure, Form-hugging silhouette, Front high-cut slit, Floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, red-carpet events, milestone celebrations Free Shipping on All Orders Over $75. | Windsor Savannah Formal Crepe Long Dress in Black | Size: XS