Square Neckline Bridesmaid Dresses
Square neckline bridesmaid dresses are here to turn your bridal party into an absolute vision—think modern romance with a side of major main character energy. This flattering silhouette brings those “effortlessly chic” vibes that every Windsor girl lives for, letting your squad serve looks from the aisle to the after-party. Whether you’re keeping it classic or making a bold statement, these dresses are ready to hype up your crew and guarantee all eyes stay right where they belong: on you and your ride-or-die besties.
$49.90
A sleek black crepe dress with a form-hugging silhouette and elegant high-cut slit.
$15.97 $64.90 75% off
A black satin slim-fit dress with a ruffled high-side slit and spaghetti straps.
$15.97 $59.90 73% off
A green crepe formal dress featuring a slim silhouette, square neckline, and wrap-high front slit.
$109.90
A chic navy blue mermaid dress with sequins, a square neckline, and a thigh-high slit.
$36.90
A denim satin mini dress with a ruched wrap silhouette and sleeveless square neckline.
$9.97 $39.90 75% off
A chic white glitter lace dress with a bodycon fit, adjustable straps, and asymmetric hem.
$46 $64.90 29% off
A black crepe formal dress with puff sleeves, lace-up back, and a high-cut slit.
$42.90
A wine satin mini dress with rhinestone straps, ruched seams, and a form-hugging silhouette.
$84.90
A black glitter knit mermaid dress with a bow-back design and floor-length train for formal occasions.
$49.90
A coral satin mermaid dress featuring a lace-up back, high slit, and adjustable spaghetti straps.
$15.97 $54.90 71% off
A burgundy formal dress with sheer mesh, bell sleeves, and a high-side slit for elegant occasions.
$77 $109.90 30% off
A stunning royal blue mermaid dress with sequins, adjustable straps, and a high front slit.
$19.97 $64.90 69% off
A black taffeta skater dress with a low back bow and elegant square neckline.
$54.90
A black glitter knit midi dress with a form-hugging silhouette and chic wrap hem.
$46.90
A chic black bodycon midi dress with a square neckline and stretchy double-lined knit fabric.
$59.90
A sage satin slim-fit formal dress featuring a corset bodice, faux wrap-front, and floor-length hem.
$19.97 $59.90 67% off
A sultry light blue mesh formal dress with a square neckline, high slit, and slim silhouette.
$19.97 $49.90 60% off
A radiant red satin midi dress with a corset bodice, adjustable straps, and a wrap slit.
$79.90
A glamorous black mermaid dress with glitter knit fabric, open back, and high front slit.
$89.90
A red glitter knit bodycon dress featuring a cutout underbust and adjustable spaghetti straps.
$36.90
A black knit midi dress with a sleeveless square neckline, ruching, and pleated mermaid silhouette.
$49.90
A lavender skater dress with glitter mesh, sheer sleeves, and a fit and flare silhouette.
$99.90
A light blue mermaid sequin dress with a cutout back and high slit for formal events.
$19.97 $79.90 75% off
A chic black mermaid dress with a sheer mesh corset bodice and adjustable crisscross straps.
$69.90
A yellow satin skater dress featuring a lace-up back, corset bodice, and bow tie shoulder straps.
$76.90
A navy blue mermaid dress with a chiffon tie-back and floral velvet pattern for formal occasions.
$19.97 $54.90 64% off
A denim woven maxi dress featuring a flowy ruffled silhouette, square neckline, and spaghetti straps.
$79.90
A brown satin mermaid dress featuring a square neckline, padded cups, and an alluring open strappy back.
$59.90
A yellow mesh mermaid dress with a square neckline, open back, and high slit for formal events.
$19.97 $59.90 67% off
A stunning black lace dress featuring a high side slit and an elegant open-back design.
$44.90
An ivory satin skater dress featuring a square neckline, ruched bust, and adjustable shoulder straps.
$69.90
An ivory satin mermaid gown featuring a floral print, lace-up back, and a dramatic high front slit.
$79.90
A sleek green mermaid dress with a high slit, adjustable straps, and a square neckline.
$52.90
An ivory skater dress with puff sleeves, lace trim, and a playful bubble hem.
$76.90
A blush glitter mini dress with a strapless neckline, pleats, and a dramatic bow train.
$38.90
A sage green knit midi dress featuring a sleeveless square neckline, ruching, and a flared hanky hem.
$52.90
A pink sequin mini dress with a square neckline and open-back spaghetti straps.
$9.97 $42.90 77% off
A whimsical black mini dress with cap sleeves, lace-up back, and stretchy rayon knit fabric.
Now Trending
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: S | 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