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 sage knit mermaid dress featuring lace trim, flutter straps, lace-up back, and flattering ruching.
$79.90
A camel glitter mermaid dress featuring a sweetheart halter neckline and an intricate lace-up back.
$49.90
A light blue knit mermaid dress featuring an open back, sweetheart neckline, and high front slit.
$79.90
A black velvet mermaid dress featuring a corset bodice, sweetheart neckline, and adjustable spaghetti straps.
$54.90
A brown mesh corset long dress with a sweetheart neckline and high side slit for formal events.
$109.90
A stunning black sequin dress with a lace-up back, sweetheart neckline, and high front slit.
$64.90
A black satin bodycon dress with a corset bodice, cowl neckline, and asymmetrical wrap hem.
$74.90
An elegant black mermaid dress with a glitter knit fabric and off-the-shoulder sweetheart neckline.
$89.90
A sultry black satin wrap dress featuring a sheer lace corset and high-cut slit.
$109.90
An elegant ivory satin dress with floral sequins, tie-back design, and a high front slit.
$99.90
A black glitter A-line gown featuring a corset bodice, sweetheart cowl neckline, and high front slit.
$79.90
A wine mesh mermaid gown featuring a ruched bodice, adjustable straps, and a dramatic ruffled slit.
$69.90
A blue floral crepe mermaid dress with a sweetheart neckline and high front slit.
$129.90
An enchanting wine satin A-line gown featuring a sheer applique corset bodice and high front slit.
$69.90
A black lace bodycon dress featuring a sweetheart neckline and high front slit for formal events.
$19.97 $59.90 67% off
A white crepe formal dress featuring adjustable straps, ruffle trim, and a dramatic high front slit.
$49.90
A natural floral maxi dress featuring lace trim, mesh lining, a sweetheart neckline, and a sultry high slit.
$59.90
A sage green mesh mermaid dress featuring ruched detailing, a draped sweetheart neckline, and adjustable straps.
$109.90
A yellow satin jacquard dress with a bustier bodice, A-line silhouette, and high front slit.
$19.97 $69.90 71% off
A stunning red satin strapless dress with a sweetheart neckline and high side slit.
$79.90
A strapless wine-colored mermaid gown in smooth knit fabric with a ruched sweetheart bodice and open back.
$69.90
A natural crochet column dress featuring a strapless sweetheart neckline, hardware cutout, and high side slit.
$169.90
A wine-colored A-line gown featuring glittering sequins, a sheer corset bodice, and satin-lined tulle.
$79.90
A stunning red formal dress featuring a lace-up back, high side slit, and bodycon silhouette.
$129.90
A stunning periwinkle sequin gown with a lace-up back, high slit, and mermaid silhouette.
$79.90
A navy blue glitter mermaid gown featuring a corset bodice, sweetheart neckline, and high front wrap slit.
$149.90
An ethereal lavender A-line dress featuring iridescent glitter woven fabric and rhinestone floral lace appliqué.
$69.90
A pink knit mermaid gown featuring a strapless sweetheart neckline and elegant faux pearl trim.
$79.90
A luxurious purple velvet gown featuring a sweetheart neckline, adjustable straps, and a dramatic thigh-high slit.
$79.90
A light blue satin column gown featuring a strapless sweetheart neckline and elegant adjustable tie-back sash.
$129.90
A pink sequin mermaid gown featuring an allover floral motif and elegant cutout tie-back detail.
$79.90
A black mesh formal dress adorned with rhinestones, featuring a sweetheart neckline and dual high side slits.
$29.97 $69.90 57% off
A black glitter knit formal dress featuring a sweetheart neckline, cutout bodice, and high side slit.
$109.90
A wine-colored mermaid gown featuring a lace applique bodice and sheer mesh fabric for timeless elegance.
$19.97 $79.90 75% off
A navy blue satin dress with a plunging sweetheart neckline and pleated wrap silhouette.
$119.90
A sparkling pink A-line formal dress featuring glitter sequin mesh, lace-up back, and sweetheart neckline.
$84.90
A navy blue velvet mermaid gown featuring a strapless sweetheart neckline and corset-style bodice.
$109.90
A pink floral sequin mermaid gown featuring a sweetheart neckline and an elegant lace-up back.
$119.90
A pink mermaid gown featuring a sequin-beaded mesh corset bodice and a dramatic front slit.
$59.90
A glamorous green satin mermaid dress featuring a sweetheart neckline, adjustable straps, and a high front slit.
$159.90
A black mesh mermaid dress featuring a sweetheart neckline, strappy open back, and high front slit.
$69.90
A red mesh mermaid dress featuring an abstract print, sweetheart neckline, cutout bust, and high side slit.
$79.90
A striking red velvet mermaid gown featuring a sculpted corset bodice and daring high front slit.
$79.90
A sage satin mermaid dress featuring a strapless sweetheart neckline and ruched twist bust detail.
$69.90
A wine-colored satin dress with a sweetheart neckline, adjustable straps, and a mermaid silhouette.
$54.90
A pink floral woven maxi dress featuring tiered ruffles, a sweetheart neckline, and an open back.
$169.90
A strapless black mermaid gown featuring shimmering beaded floral patterns on mesh-lined fabric for formal occasions.
$45.90
A sleek black knit maxi dress featuring a sweetheart neckline, cutout bodice, and dramatic high front slit.
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Mayra Formal Satin Slit Long Dress in Navy Blue-2
$29.97 $59.90
50% off
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 Navy Blue-2 | Size: M | 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: 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
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 Pink-2 | Size: XXS | 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 Red | Size: S | 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: M | 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: 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 Brown | Size: XS | Knit Fabric/Mesh 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