Square Neckline Cocktail Dresses
Square neckline cocktail dresses are the ultimate power move for any night out. That bold, straight-across neckline? It’s giving main character energy, and you’re about to steal every spotlight. Whether you’re planning a girls’ night that turns into an adventure or RSVPing “yes” to the party of the year, these dresses bring the perfect mix of flirty and fierce. Slip into a square neckline cocktail dress and get ready to serve confidence with a side of sass—because tonight, you’re rewriting the dress code.
$79.90
A white taffeta mini dress featuring a detachable bow with a dramatic train for stunning entrances.
$49.90
A black crepe formal dress featuring a sleeveless square neckline and a high-cut front slit.
$44.90
A white midi dress with chiffon sleeves, square neckline, and a ruched bodycon silhouette.
$46 $64.90 29% off
A black crepe formal dress with puff sleeves, lace-up back, and a high-cut slit.
$54.90
An ivory satin midi dress with a corset seam bodice and pleated faux wrap hem.
$76.90
A blush mini party dress with a strapless neckline, glitter fabric, and a dramatic bow train.
$15.97 $54.90 71% off
A burgundy formal dress with sheer mesh, bell sleeves, and a high-side slit for elegant occasions.
$19.97 $109.90 82% off
A teal bodycon dress with a sequin scroll pattern, high slit, and adjustable spaghetti straps.
$19.97 $64.90 69% off
A black taffeta skater dress with a low back bow and elegant square neckline.
$59.90
A sage satin slim-fit formal dress featuring a corset bodice, faux wrap-front, and floor-length hem.
$46.90
A sleek black bodycon midi dress with a square neckline and stretchy double-lined knit fabric.
$19.97 $59.90 67% off
A sultry light blue mesh formal dress with a square neckline, high slit, and slim silhouette.
$29.97 $49.90 40% off
A radiant red satin midi dress with a corset bodice, adjustable straps, and a wrap slit.
$54.90
An ivory satin mini dress featuring a lace-up back, ruffle detail, and curve-hugging silhouette.
$9.97 $39.90 75% off
A black bodycon mini dress with an asymmetrical hem, cutout bust, and sheer mesh sleeves.
$99.90
A light blue mermaid dress with sequin embroidery, cutout back, and high slit for formal events.
$69.90
A chic black satin A-line short dress featuring a low back and a statement bow accent.
$59.90
A pink floral organza skater dress featuring a lace-up corset bodice and voluminous tulle-lined silhouette.
$9.97 $49.90 80% off
An elegant black mesh midi dress with ruched sides, sheer sleeves, and a tiered ruffled hem.
$49.90
A black crepe mermaid gown with a square neckline, corset bodice, and high front slit.
$79.90
A timeless black satin formal dress featuring an open strappy back and mermaid silhouette.
$54.90
An alluring black velvet-patterned midi dress with a flirty bust cutout and ruffled hem.
$79.90
A playful yellow A-line dress featuring side pleats, square neckline, and comfortable scuba woven fabric.
$79.90
A sleek green mermaid dress with a high slit, adjustable straps, and a square neckline.
$59.90
A black glitter knit midi dress featuring a bodycon fit, low back, and statement bow detail.
$59.90
A black crepe mermaid dress with a square halter neckline and elegant high front slit.
$54.90
An ivory satin skater dress featuring a halter neckline, drop waist, and bubble hem design.
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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
Square Neckline Cocktail Dresses
When it comes to making an entrance, nothing says “main character energy” quite like a square neck cocktail dress. This iconic neckline is all about framing your collarbone and shoulders with a bold, clean edge that’s both timeless and totally on-trend. Whether you’re getting ready for a night out with your girls, RSVP-ing to that can’t-miss party, or plotting your next Insta-worthy birthday look, a square neck dress serves up the right mix of sophistication and subtle drama. It’s the kind of silhouette that flatters everyone—highlighting your décolletage without trying too hard and giving off those “effortless but I definitely planned this” vibes. If you’re shopping for yourself or hunting down the perfect gift for your bestie who always turns heads, these dresses are a go-to. They work for every vibe, from glam rooftop soirées to candlelit dinners, and even those last-minute invites that pop up when you least expect them.
Choosing the right square neck cocktail dress is all about embracing your personal style and the little details that make you feel unstoppable. Think about those moments when you want to channel your inner confidence—maybe you’re stepping into a new chapter, celebrating a big win, or just want to make a regular night feel like a special occasion. The square neckline is a power move, giving you a structured look that pairs perfectly with layered necklaces, bold earrings, or even a swipe of your favorite lipstick. You can play it up with a bodycon fit for major bombshell energy, or keep it flirty and flowy for that “dancing all night” comfort. These dresses are also a dream for gifting: imagine your ride-or-die unwrapping a dress that’s equal parts classic and cool, ready to become her new closet MVP. And if you’re the type who loves to switch up your style, the square neck is a versatile canvas—throw on a cropped jacket, statement heels, or a mini bag and you’re set for whatever the night throws your way.
For those who love to keep their options open and experiment with different silhouettes, don’t miss the chance to explore other neckline styles that bring their own unique flair. If you’re in the mood to switch things up or just want to add a little romance to your wardrobe, check out our curated selection of Sweetheart Neckline Cocktail Dresses. No matter where you’re headed or who you’re shopping for, the right cocktail dress is all about capturing your vibe and letting your confidence do the talking. At the end of the day, it’s not just about the dress—it’s about those unforgettable moments you create while wearing it. So get ready to step out, turn heads, and make every night your own runway.