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Sexy Sweetheart Neckline Dresses

Sexy sweetheart neckline special occasion gowns at Promfy come in all styles. Charming prom dresses, evening gowns, party gowns in alluring sweetheart style.

44 items
pink sequin sweetheart high slit mermaid prom dress
Pink Sequin Sweetheart High Slit Mermaid Prom Dress
$189 $170.1
Sexy black satin high split floor length designer special occasion prom dress
Black Satin High Split Special Occasion Prom Dress
$199 $179.1
Navy blue satin simple strapless sweetheart high low prom dress
Navy Blue Satin Strapless High-low Prom Dress
(3 reviews)
$159 $143.1
red sequin off the shoulder mermaid high slit prom dress
Red Sequin Off-the-Shoulder Mermaid High Slit Prom Dress
$265 $238.5
caramel brown corset one strap high slit prom dress
Caramel Brown Corset One Strap High-Slit Prom Dress
$189 $170.1
pink velvet strapless sweetheart mermaid prom dress
Pink Velvet Strapless Sweetheart Mermaid Prom Dress
$179 $161.1
diamonds crystals sheer tulle slit chic prom gown
Diamonds & Crystals Sheer Tulle Slit Chic Prom Gown
$620 $558
sexy open slit white feather tea length prom dress
Sexy Open Slit White Feather Tea-length Prom Dress
$300 $270
iridescent lurex off shoulder sleeve slit sexy prom gown
Iridescent Lurex Off-Shoulder Sleeve Slit Sexy Prom Gown
$225 $202.5
3d leaf sequinned lace long sleeve bridal shower dress
3D Leaf Sequinned Lace Ruffled High Slit Wedding Dress
$440 $396
black sequin strapless high slit low back prom gown
Black Sequin Strapless High Slit Low Back Prom Gown
$179 $161.1
Gorgeous red drop waist mermaid floor length strapless sweetheart formal dress
Red Drop Waist Mermaid Long Strapless Formal Dress
$189 $170.1
sexy split strapless emerald sheath evening party dress
Sexy Split Strapless Emerald Sheath Evening Party Dress
$189 $170.1
Selena Gomez black sheer chiffon see through dress
Selena Gomez Black Sheer Chiffon See-through Dress
$215 $193.5
emerald satin folded off shoulder a line occasion dress
Emerald Satin Folded Off-shoulder A-line Occasion Dress
$189 $170.1
Katy Perry red sequin thigh high slit dance dress
Katy Perry Red Sequin Thigh-high Slit Dance Dress
$169 $152.1
Dark green satin modern slim fit mermaid strapless sweetheart prom dress
Dark Green Mermaid Strapless Sweetheart Prom Dress
$179 $161.1
Sexy plunging sweetheart neckline lace wedding gown
Sexy Plunging Sweetheart Neckline Lace Wedding Gown
$425 $382.5
Royal blue cut out lace trendy 3D rose mermaid chapel train engagement prom dress
Royal Blue Cut Out 3D Rose Engagement Prom Dress
$265 $238.5
modern off the shoulder pleated satin sheath slit formal dress
Off-the-shoulder Pleated Satin Slit Bridal Formal Dress
$315 $283.5
off shoulder burgundy lace and organza high low dress
Off-shoulder Burgundy Lace and Organza High-low Dress
$189 $170.1
sequinned sheer nude tulle sleeved slit sexy prom party gown
Sequinned Sheer Nude Tulle Sleeved Slit Prom Dress
$345 $310.5
Elegant Purple Satin Strapless High Split Long Prom Gown
Elegant Purple Satin Strapless High Split Long Prom Gown
$189 $170.1
black sequin cut out backless slim fit prom gown
Black Sequin Cut-out Backless Slim-fit Prom Gown
$179 $161.1
lime yellow satin halter corset sheath slit prom dress
Lime Yellow Satin Halter Corset Sheath Slit Prom Dress
$179 $161.1
Low Back Cut out Slit Lace Spandex Prom Dress
Low Back Cut-out Slit Lace & Spandex Prom Dress
$215 $193.5
Beige spandex simple strapless sweetheart mermaid court train formal dress
Beige Spandex Simple Strapless Mermaid Formal Dress
$179 $161.1
off the shoulder satin a line sexy slit wedding dress
Off-the-Shoulder Satin A-line Sexy Slit Wedding Dress
$325 $292.5
Sexy low back lace and tulle 2 in 1 wedding dress
Sexy Low Back Lace and Tulle 2 in 1 Wedding Dress
$445 $400.5
sexy red strapless sweetheart corset side split long prom dress
Sexy Red Strapless Corset Side Slit Long Prom Dress
$175 $157.5
sky blue satin ruched split sheath sexy evening dress
Sky Blue Satin Ruched Split Sheath Sexy Evening Dress
$179 $161.1
Elaborately white beaded strapless sweetheart illusion mermaid long prom dress
Beaded Sweetheart Illusion White Mermaid Prom Dress
$285 $256.5
Beaded wide strap white spandex two piece mermaid long designer formal dress
Beaded Wide Strap White Two-piece Long Formal Dress
$189 $170.1
sexy sheer floral lace off shoulder mermaid wedding gown
Sexy Sheer Floral Lace Off-Shoulder Mermaid Wedding Gown
$440 $396
asymmetrical pleated beaded cut out sky blue dress
Asymmetrical Pleated Beaded Cut-out Sky Blue Dress
$179 $161.1
Taylor Swift red chiffon thigh high slit strapless celebrity simple long prom dress
Red Chiffon Thigh-high Slit Strapless Prom Dress
$169 $152.1
Sexy sweetheart neckline dresses are classic for 2025. All of the alluring sweetheart neck formal dresses & prom party gowns in this collection are designed with chic styling in mind. Magnificent dress designs that enhance your figure with expert tailoring that can add curves to a thin frame, minimize a problem area, or expose a little skin without really baring it all. Shop sexy sweetheart neckline dresses at Promfy available in all styles and lengths.

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