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 black crepe formal dress featuring a sleeveless square neckline and a high-cut front slit.
$109.90
A chic navy blue mermaid dress with sequins, featuring a lace-up back and thigh-high slit.
$54.90
A navy blue bodycon mini dress with rhinestone mesh, featuring bell sleeves and a square neckline.
$84.90
A black glitter knit mermaid dress with a bow-back design and floor-length train for formal occasions.
$54.90
A wine satin midi dress with a corset seam bodice and pleated faux wrap hem.
$38.90
A mauve knit midi dress featuring a bodycon silhouette, square neckline, ruching, and hanky hem.
$64.90
A black bodycon mini dress with sheer sleeves and sparkling rhinestone embellishments for formal occasions.
$77 $109.90 30% off
A royal blue mermaid dress with sequin scrolls, adjustable straps, and a high front slit.
$36.90
A black knit midi dress with a sleeveless square neckline, ruching, and pleated mermaid silhouette.
$59.90
A denim blue satin slim-fit formal dress featuring a square neckline, corset bodice, and faux wrap-front slit.
$99.90
A stunning light blue mermaid dress with sequin embroidery, cutout back, and high front slit.
$9.97 $49.90 80% off
A lavender skater dress with glitter mesh, sheer sleeves, and a fit and flare silhouette.
$54.90
A light blue chiffon maxi dress featuring a tiered ruffled silhouette, adjustable straps, and tie-back detail.
$99.90
A romantic black lace mini dress featuring a square neckline, tie-front bust, and lace-up back.
$64.90
A sage chiffon maxi dress featuring tiered ruffles, adjustable straps, and a stretch smocked bodice.
$29.97 $54.90 45% off
A black glitter knit mini dress featuring a square neckline, tank straps, and a ruffled hem.
$74.90
A woven velvet mini dress in wine with a square neckline and an oversized back bow detail.
$129.90
A periwinkle chiffon column dress featuring sequin embellishments, a square neckline, and a charming tie-back bow.
$54.90
A black crepe midi dress featuring sheer lace cap sleeves, a cutout back, and a mermaid silhouette.
$59.90
A luxurious purple velvet midi dress featuring a square neckline, adjustable straps, and a daring front slit.
$69.90
A light blue mesh mermaid gown featuring lace trim, a lace-up back, and a sweeping silhouette.
$9.97 $38.90 74% off
A plum knit bodycon mini dress featuring a square neckline, long sleeves, and a ruffled side slit.
$44.90
A black crepe bodycon midi dress featuring a square neckline and an open tie-back cutout detail.
$149.90
A brown knit column dress dazzled with sequin leopard print, featuring a square neckline and open back.
$79.90
A black glitter knit mermaid dress featuring a ruched bodice, square neckline, and thigh-high slit.
$79.90
A sleek green mermaid dress with a high slit, adjustable straps, and a square neckline.
$149.90
An ivory beaded column gown featuring an allover floral design, high side slit, and cutout back.
$59.90
A wine velvet bodycon midi dress featuring a square neckline, ruched wrap skirt, and lace-up back.
$149.90
A black sequin-embellished knit gown featuring a mermaid silhouette, strappy open back, and square neckline.
$89.90
A striking green satin mermaid gown featuring a corset bodice, lace-up back, and high front slit.
$119.90
A light blue cotton-blend formal dress featuring a voluminous A-line bubble silhouette and ruched bodice.
$149.90
A pink printed column gown featuring intricate beaded detailing, spaghetti straps, and a dramatic high side slit.
$64.90
An ivory floral midi dress in woven fabric with a square neckline, lace trim, and adjustable straps.
$59.90
A wine-colored glitter midi dress featuring a square neckline, lace-up back, and side slit.
$56.90
A white sequin-beaded floral mini dress with a bodycon fit, lace-up back, and adjustable straps.
$79.90
A red glitter knit mermaid gown featuring a square neckline, cutout back, and lace-up detail.
$46.90
An ivory floral woven eyelet mini dress featuring a square neckline, tie-shoulder straps, and drop waist.
$54.90
A pink crepe skater dress featuring a square neckline, lace-up back, and adjustable shoulder straps.
$59.90
A white chiffon maxi dress with a delicate floral print, square neckline, and tiered ruffle layers.
$44.90
A plum floral knit midi dress featuring delicate straps, a square neckline, and a chic front slit.
$64.90
A blue mesh mermaid gown featuring a floral print, square neckline, and lace-up strappy back.
$42.90
A brown paisley print bodycon maxi dress featuring sheer mesh, knit lining, and a high side slit.
$56.90
A black striped skater mini dress in linen-like woven fabric with a cinched bodice and flared skirt.
$59.90
A royal blue mini dress with sequin embroidery, open back, and lace-up strappy design.
$38.90
A sage knit mini dress featuring a pleated bust, square neckline, spaghetti straps, and A-line silhouette.
$59.90
A black glitter knit mini dress featuring a square neckline, open back, and dramatic cascading bow.
$84.90
A white mesh mini dress featuring floral beading, a cutout back, and a curve-hugging bodycon silhouette.
$32.90
A black knit mini dress featuring a square neckline, bodycon fit, and a stylish front slit.
Now Trending
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
Windsor Cheyenne Formal One-Shoulder Velvet Dress in Black
$19.97 $59.90
67% off
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 Light Blue | Size: S | 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 Pink | Size: L | 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: XS | 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: S | 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
You'll be a breathtaking view in the Melinda formal satin dress boasting a stunning open lace-up back and high-cut front slit to show some leg! Fit & FeaturesLined silky satin fabric, minimal stretch, Sleeveless cowl neckline, spaghetti straps, padded bust, Lace-up open back, zipper closure, Fitted silhouette, high-cut front slit, Floor-length hem, Runs true to size, Where to Wear:Prom, black-tie weddings, bridesmaids, galas, formal celebrations, and red-carpet events. Free Shipping on All Orders Over $75. | Windsor Melinda Satin Lace-Up Formal Dress in Yellow | Size: XS | Satin 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