Sweetheart Formal Gowns and Party Dresses

The PromGirl formal dress collection features both short prom and party dresses and long formal evening gowns with sweetheart necklines. This style of dress features a neckline with two curved edges resembling the shape of a heart. The curve can be sweet and alluring with a small opening or daring and sexy in a low cut style. You will find here halter top dresses, elegant long prom dresses, sweet sixteen party dresses, or sparkling cocktail dresses and little black dresses for the holidays all with sweetheart neckline that are feminine and chic. Theses are dresses you'll want to wear again and again and are sure to become a favorite in any girl's closet. 

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In Stock Buy Short Sleeveless Empire Waist Dress 1733 by Emerald Sundae at PromGirl
  • Navy/Black

Short Empire Waist Sweetheart Dress

$69.00 $19.00 EM-EDM-1733-433
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In Stock Buy EM-EKU-2229-001 at PromGirl
  • Black

Short Black Tulle Emerald Sundae Party Dress

$49.00 $19.00 EM-EKU-2229-001
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In Stock Buy Sleeveless Glitter Print Party Dress at PromGirl
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In Stock Buy EM-EKU-2229-690 at PromGirl
  • Blush

Short Ruched-Top Tulle Emerald Sundae Dress

$49.00 $24.00 EM-EKU-2229-690
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In Stock Buy EM-EOH-1003-650 at PromGirl
  • Pink

Pink Fit and Flare Sweetheart Prom Dress

$49.00 $24.00 EM-EOH-1003-650
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In Stock Buy EM-BYA-1496-436 at PromGirl
  • Navy/Coral

Short Sweetheart Print Emerald Sundae Dress

$49.00 $24.00 EM-BYA-1496-436
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In Stock Buy Short Strapless Sweetheart Sequin Dress 4519615 by Bee Darlin at PromGirl
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In Stock Buy EM-EFY-1027-600 at PromGirl
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In Stock Buy Short Strapless Sweetheart Dress at PromGirl
  • Pink/Ivory

Short Strapless Sweetheart Dress

$59.00 $29.00 SS-D56711HRC
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In Stock Buy MY-3035SX6D at PromGirl
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In Stock Buy SS-D60703HVU at PromGirl
  • Black/Ivory

Short Strapless Sweetheart Party Dress

$59.00 $29.00 SS-D60703HVU
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In Stock Buy EM-ENZ-2499-140 at PromGirl
  • Ivory/Coral

Short Ivory and Print Casual Dress

$59.00 $29.00 EM-ENZ-2499-140
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In Stock Buy BD-Q2wch346 at PromGirl
  • Off White/Gold

Short Lace Halter A-Line Dress

$59.00 $29.00 BD-Q2wch346
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In Stock Buy Short Strapless Babydoll Dress at PromGirl
  • Gold/Gold
  • Fuchsia/Pink
  • Black/Silver
  • Olive/Pink

Strapless Baby Doll Party Dress

$99.00 $29.00 DQ-8000
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In Stock Buy Floor Length Strapless Dress with Embellished Waist at PromGirl
  • Neon Hot Coral

Strapless Prom Gown by City Triangles

$149.00 $29.00 CT-8420DW3B
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In Stock Buy Short Spaghetti Strap Dress at PromGirl
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In Stock Buy Short Spaghetti Strap Dress 2573MT1P by Sequin Hearts at PromGirl
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In Stock Buy Short Ruched Strapless Sweetheart Dress 47992 by Jump at PromGirl
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In Stock Buy Lace Spaghetti Strap Dress with Slit at PromGirl
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In Stock Buy LP-23489 at PromGirl
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In Stock Buy Short Strapless Blue Homecoming Dress 6980506 by Masquerade at PromGirl
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In Stock Buy High Low Sparkling Strapless Dress by Sequin Hearts at PromGirl
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In Stock Buy JTM-JD6799 at PromGirl
  • Ivory/Blue

A-Line Mesh Spaghetti Strap Dress

$59.00 $29.00 JTM-JD6799
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In Stock Buy CL-43713-v at PromGirl
  • Black
  • Royal
  • White

Short A-Line Royal Party Dress

$59.00 $29.00 CL-43713-v
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In Stock Buy One Shoulder Short Dress 6596 by Dave and Johnny at PromGirl
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In Stock Buy SS-X29251HVS at PromGirl
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In Stock Buy MQ-167478 at PromGirl
  • Ivory

Strapless Lace Top Short Dress

$69.00 $34.00 MQ-167478
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In Stock Buy Strapless Ruched Pink Party Dress at PromGirl
  • Pink
  • Champagne

Strapless Ruched Party Dress

$69.00 $34.00 DI-JM1363
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In Stock Buy BD-I7YUH109 at PromGirl
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In Stock Buy Black Cap Sleeve Sequin Dress at PromGirl
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In Stock Buy LP-23239-v at PromGirl
  • Black

Spaghetti Strap Long Chiffon Prom Dress

$69.00 $34.00 LP-23239-v
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In Stock Buy LP-23316-v at PromGirl
  • Black

Empire Waist Long Sweetheart Prom Dress

$69.00 $34.00 LP-23316-v
* Products with an "in stock" banner have at least some size and color combinations ready to ship immediately. Available sizes and colors may be limited due to seasonality. Please read our complete availability policy for more information.