Long Sweetheart Neckline Dresses
Long sweetheart neckline dresses are your ticket to main character energy—think dreamy silhouettes, flirty vibes, and a touch of romance that never tries too hard. Whether you’re making an entrance at a formal event or turning date night into your own runway, these stunners bring all the confidence and charm. Slip into a long sweetheart neckline dress and get ready to own every room, every selfie, and every double-take. Because when you look this good, being unforgettable is just part of the plan.
$62.90
A chic green mermaid dress with a cold-shoulder design, sweetheart neckline, and high front slit.
$54.90
A lavender mesh corset column dress featuring a sweetheart neckline and high-side slit for elegance.
$69.90
A navy blue knit mermaid dress featuring lace trim, flutter straps, ruching, and a lace-up back.
$59.90
A navy blue satin mermaid dress featuring a sweetheart neckline, spaghetti straps, and a dramatic high slit.
$109.90
A stunning black sequin dress with a lace-up back, sweetheart neckline, and high front slit.
$59.90
A maroon knit mermaid dress featuring a sweetheart neckline, cowl draping, and a high front slit.
$42 $59.90 30% off
A white crepe formal dress featuring adjustable straps, ruffle trim, and a dramatic high front slit.
$79.90
A white formal dress featuring faux pearl embroidery, a sweetheart neckline, and a high side slit.
$69.90
A green satin formal dress with a sweetheart neckline and a high front wrap slit.
$79.90
A green satin formal dress featuring a beaded applique trim and a high slit for elegance.
$64.90
A sage glitter knit formal dress with a sweetheart neckline, ruffled slit, and slim silhouette.
$52.90
A white mini bodycon dress with faux pearl embellishments, featuring a sweetheart neckline and ruched sides.
$46.90
A black glitter mesh mini dress with sheer sleeves, sweetheart neckline, and bodycon silhouette.
$69.90
A green satin formal dress featuring a cowl neckline, high slit, and slim-fit silhouette.
$79.90
A light blue mermaid gown with faux pearl mesh, sweetheart neckline, and adjustable spaghetti straps.
$64.90
A sultry green satin bodycon dress with a corset bodice, cowl neckline, and asymmetrical hem.
$19.97 $64.90 69% off
A chic white bodycon dress with mesh fabric and faux pearl embellishments, perfect for formal events.
$19.97 $69.90 71% off
A glamorous green glitter formal dress with sheer sleeves, sweetheart neckline, and a high front slit.
$59.90
A luxurious black velvet dress with a sweetheart neckline, sheer mesh bodice, and wrap slit.
$19.97 $119.90 83% off
A lime yellow sequin mermaid dress with a corset bodice and high front slit.
$99.90
A romantic blue midi dress with a sweetheart neckline and floral garden print on organza fabric.
$69.90
A black lace mermaid dress with a sweetheart neckline and adjustable spaghetti straps for formal occasions.
$48.90
A light blue woven A-line dress featuring a corset bodice, lace-up back, and sweetheart neckline.
$59.90
A mauve mesh mermaid dress featuring a lace-up back, sweetheart neckline, and elegant ruching.
$129.90
A stunning green mermaid dress with sequin satin fabric, corset bodice, and adjustable straps.
$169.90
A stunning green A-line dress with glitter sequins, featuring a sweetheart neckline and corset bodice.
$129.90
An enchanting black satin A-line dress featuring a sheer corset bodice and high front slit.
$99.90
A yellow satin mermaid dress with beaded applique neckline and adjustable spaghetti straps.
$23.97 $52.90 55% off
An elegant black chiffon floral midi dress with a sweetheart neckline and adjustable straps.
$59.90
A denim mesh formal dress with a sweetheart neckline, lace-up back, and flattering ruched silhouette.
$44.90
A grey ribbed knit midi dress with a sweetheart neckline and twist accent, perfect for casual outings.
$19.97 $74.90 73% off
A black crepe mermaid dress with sheer lace panels and a sweetheart neckline for formal events.
$19.97 $69.90 71% off
A luxurious black velvet mermaid dress with a sweetheart neckline and bold high side slit.
$9.97 $59.90 83% off
A chic black lace mini dress with a sweetheart neckline, feather trim, and sheer long sleeves.
$69.90
A navy blue velvet mermaid dress with a corset bodice and lace-up back design.
$59.90
A sultry black satin formal dress featuring a sweetheart neckline, lace bodice, and high front slit.
$44.90
A chic black knit midi dress featuring an off-the-shoulder neckline, faux wrap front, and thigh-high slit.
$119.90
A pink sequin formal dress featuring a corset bodice and mermaid silhouette for glamorous events.
$64.90
A black crepe mermaid dress with a sweetheart neckline and white contrast trim for formal occasions.
$44.90
An elegant burgundy velvet midi dress with a lace-trimmed sweetheart neckline and corset bodice.
$69.90
A wine-colored mesh formal dress featuring a hidden corset bodice and elegant mermaid silhouette.
$44.90
A white textured knit midi dress featuring a strapless sweetheart neckline, front cutout, and bodycon silhouette.
$24.97 $59.90 58% off
A black off-the-shoulder crepe dress with a sweetheart neckline and ruffled front slit.
$54.90
An ivory floral chiffon skater dress featuring sheer peasant long sleeves and a whimsical sweetheart neckline.
$69.90
A purple stretch lace bodycon dress featuring a sweetheart neckline, cutout back, and high side slit.
$69.90
A mauve satin mermaid dress with chiffon flutter sleeves and a high front slit.
$99.90
A regal black crepe mermaid dress with a sweetheart neckline and elegant side applique trim.
$40.90
A strapless red knit midi dress featuring a sweetheart neckline, side slit, and curve-hugging silhouette.
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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
Seal your look with this charming A-line dress for a rehearsal dinner or sunset dinner date! The dress features a sleeveless sweetheart neckline, adjustable spaghetti straps, a padded bust, and a flattering short-length hem. Complete the look in chic block heels. Fit & FeaturesSleeveless sweetheart neckline, Adjustable spaghetti straps, Padded bust, A-line silhouette, Short-length hem, Poplin fabric, stretchy knit lining, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Sealed With Charm Short A-Line Dress in White-2 | Size: L | Knit Fabric
Dare to impress with your stylish allure in the Kirsten satin formal dress! She features a sleeveless cowl neckline with a subtle sweetheart design and pleated detailing, tank shoulder straps, a high waist seam with ruching, a floor-length hem with an asymmetric high side slit, and a slim-fit silhouette. The silky satin-knit fabric offers a moderate stretch. Complete the look for weddings or parties with a sticky bra and sleek stilettos. Fit & FeaturesSleeveless cowl neckline, sweetheart design, pleating, Tank shoulder straps, high waist seam, ruching, Floor-length hem, asymmetric high-side slit, Slim-fit silhouette, Satin-knit fabric, lined bust, moderate stretch, Strapless or sticky bra recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Kirsten Satin Cowl Neck High Slit Formal Dress in Green | Size: M | Satin Fabric
The long formal dress features a sleeveless sweetheart neckline with floral lace trim, lace flutter shoulder straps, a lace-up back design, ruching throughout to enhance curves, and a mermaid silhouette that flares at the hem. Fit & FeaturesLined smooth knit fabrication, Sleeveless sweetheart neckline with lace trim, padded bra cups, Lace flutter shoulder straps, Lace-up back design, Ruching, Mermaid silhouette, Long length hem, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Morgana Lace-Up Ruched Mermaid Dress in Burgundy | Size: M | Knit Fabric
Stunning from every angle! Serve pure elegance in the Stacie satin formal dress - a sultry option for bridesmaids, dressy cocktail parties, and celebrations. It features a sleeveless sweetheart neckline with a pretty cowl draping, adjustable spaghetti straps, a padded bust, and a corset bodice with flexible boning. The side pleated seam creates the asymmetrical form-hugging silhouette with a wrap-long hem and slit design. The formal dress is composed of a silky soft satin-lined fabric with a moderate stretch. Fit & FeaturesLined silky satin, moderate stretch, Sleeveless sweetheart neckline, cowl draping, Adjustable spaghetti straps, padded bust, Corset bodice, flexible boning, back zipper with hook-eye closure, Side pleated seam, form-hugging silhouette, Asymmetrical wrap long hem, slit design, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Stacie Satin Corset Wrap Formal Dress in Green | Size: S | Satin Fabric
Classic with a chic flair, the Serene formal mermaid dress is a perfect pick to wear as a wedding guest or a bridesmaid! She features a cold-shoulder design with spaghetti straps and short off-the-shoulder sleeves, a pleated sweetheart neckline with a faux wrap-front design, a fitted high waist seam, a floor-length hem with a thigh-high front slit, and a form-hugging mermaid silhouette. The crepe fabric offers a moderate stretch. Style with rhinestone studs and block heels. Fit & FeaturesCold-shoulder design, spaghetti straps, short off-the-shoulder sleeves, Pleated sweetheart neckline, faux wrap-front design, Fitted high waist seam, back zipper, hook and eye closure, Floor-length hem, high front slit, mermaid silhouette, Crepe fabric, knit lining at the top, moderate stretch, Strapless or sticky bra recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Serene Cold-Shoulder High Slit Mermaid Dress in Green | Size: XS | Crepe Fabric/Knit Fabric/Rhinestone
The Julianna mermaid dress is designed with a gorgeous blooming floral print on airy mesh fabric with a knit lining, an iconic look for your next formal affair. It features a strapless sweetheart neckline with built-in bust padding, a draped cowl neck overlay, and a floor-length mermaid silhouette to showcase your curves. Style with stiletto heels. Fit & FeaturesFloral printed sheer mesh fabric with knit lining, plenty of stretch, Strapless sweetheart neckline, padded bust, no-slip strip, Draped cowl neck overlay, High waist seam, Floor-length mermaid silhouette, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Julianna Floral Mesh Strapless Mermaid Dress in Magenta | Size: S | Knit Fabric/Mesh Fabric/Sheer Mesh Fabric
Connie Glitter Long Sleeve Column Formal Dress in Green
$19.97 $69.90
71% off
The Connie glitter formal dress features sheer long fitted sleeves with flared slit cuffs for drama, a sweetheart neckline, padded bra cups for support, and a high front slit along the floor-length column silhouette. Perfect for styling with jewelry and heels. Fit & FeaturesGlitter crepe knit fabric, bust lining, moderate stretch, Sheer long fitted sleeves, flared slit cuffs, Sweetheart neckline, Padded bra cups, High front slit, Floor-length column silhouette, Runs true to size, Where to Wear:Weddings, galas, formal dinners, and black-tie affairs. Free Shipping on All Orders Over $75. | Windsor Connie Glitter Long Sleeve Column Formal Dress in Green | Size: S | Knit Fabric
Experience the beauty and sophisticated Mia formal velvet long dress perfect for any formal occasion! She features a strapless sweetheart neckline, padded bust with cowl overlay, sheer mesh bodice with trim, a form-hugging slim silhouette, and a high front wrap slit along the floor-length hem. The formal dress is composed of a soft velvet fabric that offers a luxurious aurora and a stretchy knit lining. Complete the look with earrings. Fit & FeaturesStrapless sweetheart neckline, Padded bust, cowl overlay, Sheer mesh bodice with trim, back zipper and hook-eye closure, Form-hugging, slim silhouette, High front wrap slit, floor-length hem, Velvet fabric, stretchy knit lining, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Mia Formal Velvet Corset Wrap Long Dress in Black | Size: M | Knit Fabric/Sheer Mesh Fabric/Velvet Fabric
Ebony Sequin Corset Slit Mermaid Dress in Lime Yellow
$19.97 $119.90
83% off
An evening fit for a shimmering beauty like you begins in the Ebony sequin formal dress boasting a sultry corset bodice and a high front slit that flaunts your figure! Fit & FeaturesSheer mesh fabric with full-length knit lining, moderate stretch, Sequin embroidered scroll pattern, Sweetheart neckline, adjustable spaghetti straps, Corset bodice, padded bra cups, flexible boning, Back zipper with hook-eye closure, High front slit, floor-length mermaid silhouette, Runs true to size, Where to Wear: Prom, black-tie galas and weddings, and formal parties. Free Shipping on All Orders Over $75. | Windsor Ebony Sequin Corset Slit Mermaid Dress in Lime Yellow | Size: S | Knit Fabric/Mesh Fabric/Sheer Mesh Fabric
Long Sweetheart Neckline Dresses
When you slip into a long sweetheart neckline dress, you’re not just wearing a look—you’re making an entrance, leaving a trail of dropped jaws and double-takes behind you. The sweetheart neckline is that perfect blend of classic romance and modern confidence, shaping your silhouette with a flirty, heart-shaped curve that flatters every figure and makes you feel like the main character. Whether you’re headed to a black-tie gala, a rooftop wedding, or that bougie birthday dinner you’ve been counting down to for months, these dresses are your VIP pass to the spotlight. They’re the go-to for anyone who wants to channel a little red-carpet energy, whether you’re the guest of honor, a bridesmaid ready to slay, or just living your best life for the ‘gram. The magic of a sweetheart neck dress is in the details—think delicate ruching, daring slits, or a cascade of ruffles that catch the light and keep all eyes on you. And let’s not forget the versatility: go for a black sweetheart neckline dress for that timeless, mysterious vibe, or pick a bold color to make your moment unforgettable. If you’re shopping for a gift, nothing says “you deserve to feel gorgeous” quite like a dress that’s designed to celebrate curves and confidence, making it the perfect surprise for birthdays, prom-posals, or just because your bestie needs a little extra sparkle in her closet.
When it comes to picking your dream sweetheart neckline dress, it’s all about the vibe you want to bring. For those who love a little coverage with their glam, a sweetheart neckline dress with sleeves is the ultimate power move—think elegant, sophisticated, and just the right amount of drama. Sleeves can add a touch of mystery or a dash of vintage charm, making them perfect for formal events or when you want to keep things chic and polished. If your calendar is packed with RSVPs, a sweetheart neckline dress formal style is your secret weapon for looking effortlessly put together, no matter how many times you’re asked, “Where did you get that?” And for those nights when you want to turn up the heat, a sweetheart neckline cocktail dress brings the party with curve-hugging fits and playful details that are made for dancing till dawn. The beauty of long sweetheart neck dresses is how they let you play with accessories—layer on the sparkle with statement earrings, or keep it minimal and let the neckline do all the talking. And don’t forget the shoes: strappy heels for the win, or even a pair of cute sneakers if you’re all about comfort with a twist.
No matter your style, there’s a long sweetheart neckline dress waiting to help you own the night (or the day, let’s be real). These dresses are more than just a pretty silhouette—they’re a confidence boost, a mood lifter, and a guaranteed way to make memories that last. Whether you’re shopping for yourself or picking out the ultimate gift for your ride-or-die, you can trust that a sweetheart neckline brings out the best in everyone. If you’re ready to find your next obsession, check out the full collection of Sweetheart Neckline Evening Dresses and get ready to fall in love with your new favorite look. Every dress is a chance to celebrate you, your style, and every unforgettable moment on your calendar.