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.
$69.90
A navy blue knit mermaid dress featuring lace trim, flutter straps, ruching, and a lace-up back.
$59.90
A luxurious black velvet gown with a sweetheart neckline, sheer mesh bodice, and high wrap slit.
$109.90
A stunning black sequin dress with a lace-up back, sweetheart neckline, and high front slit.
$62.90
A chic green mermaid dress with a cold-shoulder design, sweetheart neckline, and high front slit.
$59.90
A mauve mesh mermaid dress featuring a lace-up back, sweetheart neckline, and elegant ruching.
$19.97 $54.90 64% off
A lavender mesh corset column dress featuring a sweetheart neckline and high-side slit for elegance.
$19.97 $119.90 83% off
A lime yellow sequin mermaid dress with a corset bodice and high front slit.
$129.90
An enchanting black satin A-line dress featuring a sheer corset bodice and high front slit.
$69.90
A green satin formal dress with a sweetheart neckline and a high front wrap slit.
$59.90
A stunning black mermaid dress with a halter neckline, sweetheart bust, and high-side slit.
$74.90
An elegant red glitter knit mermaid dress with an off-the-shoulder neckline and high front slit.
$19.97 $89.90 78% off
A sage mermaid gown with glitter lurex fabric, lace-up back, and dramatic floor-length hem.
$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.
$19.97 $69.90 71% off
A green satin formal dress featuring a cowl neckline, high slit, and slim-fit silhouette.
$59.90
A denim mesh formal dress with a sweetheart neckline, lace-up back, and flattering ruched silhouette.
$19.97 $69.90 71% off
A glamorous green glitter formal dress with sheer sleeves, sweetheart neckline, and a high front slit.
$9.97 $48.90 80% off
A light blue woven A-line dress featuring a corset bodice, lace-up back, and sweetheart neckline.
$79.90
A white formal dress featuring faux pearl embroidery, a sweetheart neckline, and a high side slit.
$99.90
A yellow satin mermaid dress with beaded applique neckline and adjustable spaghetti straps.
$19.97 $59.90 67% off
A white crepe formal dress featuring adjustable straps, ruffle trim, and a dramatic high front slit.
$19.97 $79.90 75% off
A green satin formal dress featuring a beaded applique trim and a high slit for elegance.
$19.97 $74.90 73% off
A black crepe mermaid dress with sheer lace panels and a sweetheart neckline for formal events.
$9.97 $59.90 83% off
A chic black lace mini dress with a sweetheart neckline, feather trim, and sheer long sleeves.
$119.90
A pink sequin formal dress featuring a corset bodice and mermaid silhouette for glamorous events.
$19.97 $69.90 71% off
A wine-colored mesh formal dress featuring a hidden corset bodice and elegant mermaid silhouette.
$19.97 $59.90 67% off
A sultry black satin formal dress featuring a sweetheart neckline, lace bodice, and high front slit.
$19.97 $79.90 75% off
A navy blue satin dress with a plunging sweetheart neckline and pleated wrap silhouette.
$19.97 $69.90 71% off
A strapless black satin formal dress with a sweetheart neckline and high side slit.
$44.90
An elegant burgundy velvet midi dress with a lace-trimmed sweetheart neckline and corset bodice.
$15.97 $59.90 73% off
A black off-the-shoulder crepe dress with a sweetheart neckline and ruffled front slit.
$69.90
A mauve satin mermaid dress with chiffon flutter sleeves and a high front slit.
$69.90
A purple stretch lace bodycon dress featuring a sweetheart neckline, cutout back, and high side slit.
$19.97 $40.90 51% off
A strapless red knit midi dress featuring a sweetheart neckline, side slit, and curve-hugging silhouette.
$89.97 $199.90 55% off
A lavender A-line ball gown with a lace applique corset bodice and adjustable spaghetti straps.
$89.90
A black bodycon dress with faux pearl and beaded accents, featuring sheer sleeves and a wrap hem.
$54.90
An elegant white mesh midi dress featuring faux pearl embellishments, off-the-shoulder neckline, and bodycon fit.
$9.97 $42.90 77% off
A black velvet mini dress with an asymmetric one-shoulder neckline and ruched bodycon silhouette.
$32.90
A black bodycon mini dress with ruched mesh bell sleeves and a sweetheart neckline.
$19.97 $69.90 71% off
A black mesh formal dress with a halter neckline, lace sequin cups, and mermaid silhouette.
$54.90
An airy black mesh mini dress with rhinestone embellishments, sweetheart neckline, and sheer fitted sleeves.
$42.90
A strapless burgundy midi dress in sleek knit fabric, featuring a pleated bust and sultry back slit.
$49.90
An alluring black mini dress with ruched mesh, sheer sleeves, and an asymmetric waist cutout.
$9.97 $38.90 74% off
A wine-colored velvet mini dress with a sweetheart neckline, flare sleeves, and bodycon silhouette.
$19.97 $33.90 41% off
A chic ivory satin skater dress featuring a flattering sweetheart neckline and twirl-worthy silhouette.
$84.90
A romantic white lace dress featuring a corset bodice, tie straps, and a ruffled A-line silhouette.
$19.97 $69.90 71% off
A black knit mermaid dress featuring an off-the-shoulder neckline and lace-up back design.
Now Trending
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
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
Sophistication meets sultry on the Marjorie formal dress perfect for cocktail parties and dressy family get-togethers. She features sheer chiffon peasant long sleeves, a square neckline, a bodycon silhouette, and a front ruched seam leading to the skin-flaunting slit along her midi-length hem. The formal dress is composed of a lined crepe fabric with a moderate stretch. Style with a chic clutch and heels to complete the look! Fit & FeaturesSheer chiffon peasant long sleeves, square neckline, Front ruched seam, slit detail, Bodycon silhouette, Midi-length hem, Lined crepe fabric, moderate stretch, Bra-friendly design, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Marjorie Formal Chiffon Sleeve Midi Dress in White | Size: S | Chiffon/Crepe Fabric
A chic staple skater dress featuring a flirty off-the-shoulder folded neckline and a short-length perfect for styling with boots or heels. Fit & FeaturesRibbed knit fabric with plenty of stretch, Off-the-shoulder neckline, fold-over accent, Long fitted sleeves, Short-length hem, Skater silhouette, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Chic Staple Ribbed Knit Skater Dress in Black | Size: M | Knit Fabric
The Gwendolyn glitter knit bow-back mermaid dress will have you sparkling up the night with a glamorous allure! Make your entrance in this floor-length gown designed to turn heads with a curve-flaunting mermaid fit and backless design. Fit & FeaturesGlitter knit fabric, moderate stretch, Square neckline, spaghetti straps, Backless design, high waist seam, Bow-back accent, floor-length train, Floor-sweeping hem, mermaid silhouette, Runs true to size, Extra glitter for maximum sparkle - may have some natural fallout, Where to Wear:Weddings, black tie galas, formal dances, big birthday events, rehearsal dinners, engagement parties, red carpet occasions, upscale glam parties Free Shipping on All Orders Over $75. | Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Black | Size: L | Knit Fabric
A sparkling sequin scroll pattern adds beauty and shine to the glamorous Saige formal long dress! With a lace-up back that turns heads, a curve-hugging mermaid silhouette, and a high slit for a gorgeous look. Fit & FeaturesSequin scroll pattern, mesh fabric, stretchy full knit lining, Sleeveless plunge V-neckline, padded bust, Spaghetti straps, open lace-up back detail, Back zipper and hook-eye closure, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, black-tie events, glam functions, and parties. Free Shipping on All Orders Over $75. | Windsor Saige Formal Sequin Lace-Up Mermaid Dress in Lavender | Size: XS | Knit Fabric/Mesh Fabric/Mesh Fabric
The Lucille formal satin dress will have you looking and feeling radiant and luxe! The dress captivates with a lace-up back, mermaid silhouette, and high front slit for effortless allure. Fit & FeaturesLined satin knit fabric, minimal stretch, Sleeveless square neckline, padded bust, adjustable spaghetti straps, Open lace-up back design, zipper and hook-eye closure, Fitted bodice, front ruched seam, high-cut slit, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, black tie galas, red-carpet events, nights at the opera or theatre, big milestone celebrations Free Shipping on All Orders Over $75. | Windsor Lucille Formal Satin Mermaid Dress in Coral | Size: L | Knit Fabric/Satin Fabric
Bring the romantic allure to the evening affair in the Marylou lace mesh plunge formal dress! She embodies flirtatious style in a sleeveless plunge V-neckline with a built-in padded bust and adjustable spaghetti straps on her empire waist bodice. The sparkly embroidered lace mesh fabric effortlessly flows into a floor-length silhouette with a high-side slit to showcase some legs. She also features a curve-conscious silhouette to flaunt your stunning figure! Complete the look in an elegant hair clip. Fit & FeaturesPlunge V-neckline, adjustable spaghetti straps, Adhesive bra recommended, built-in padded bust, High side slit, back zipper, hook and eye closure, Empire waist, form-fitting silhouette, Floor-length hem, Sparkly embroidered lace mesh fabric, full knit lining, moderate stretch, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Marylou Lace Mesh Plunge Neck Formal Dress in Black | Size: L | Knit Fabric/Mesh Fabric/Mesh Fabric
Spend an evening in the timeless elegance of the Alicia floor-length formal dress and feel like a work of art! The side ruched seams accentuate your curves along the mermaid silhouette, and the high front slit adds a touch of drama to the floor-length hem. Fit & FeaturesSmooth knit fabric lined with stretchy knit, Padded bra cups, Back zipper and hook-eye closure, High front slit, Mermaid silhouette, Runs true to size, Where to Wear:Prom, galas, black tie parties, weddings, bridesmaids, nights at the theatre and opera, red-carpets Free Shipping on All Orders Over $75. | Windsor Alicia Off-The-Shoulder Mermaid Formal Dress in Green | Size: XS | Knit Fabric
Sleek and sophisticated! The Emmie satin formal dress exudes elegance with a lace-up back and flattering mermaid silhouette that accentuates your figure. Fit & FeaturesStretchy satin-knit fabric, lined bust, Spaghetti straps, V-neckline, Lace-up back, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, black-tie galas, weddings, bridesmaids, formal parties, and red-carpet events. Free Shipping on All Orders Over $75. | Windsor Emmie Lace-Up Mermaid Satin Formal Dress in Brown | Size: L | Satin 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.