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 Sleeveless Glitter Print Party Dress at PromGirl
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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 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 LP-23778 at PromGirl
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In Stock Buy MY-3035SX6D at PromGirl
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In Stock Buy EM-EFY-1027-600 at PromGirl
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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 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 Strapless Ruched Pink Party Dress at PromGirl
  • Pink

Strapless Ruched Party Dress

$69.00 $34.00 DI-JM1363
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In Stock Buy Spaghetti Strap Wow Couture Dress at PromGirl
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In Stock Buy Short Sleeveless Ruched Dress at PromGirl
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In Stock Buy EM-ENW-1606-120 at PromGirl
  • Ivory

Ivory Knee Length Graduation Dress

$89.00 $39.00 EM-ENW-1606-120
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In Stock Buy EM-DSO-2281-466 at PromGirl
  • Royal/Multi

Knee Length Print Dress with Spaghetti Straps

$89.00 $39.00 EM-DSO-2281-466
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In Stock Buy BD-Q12JH423 at PromGirl
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In Stock Buy Short Strapless Sweetheart Sequin Dress at PromGirl
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In Stock Buy JU-47051 at PromGirl
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In Stock Buy Lace Floor Length Strapless Sweetheart Dress at PromGirl
  • Eggplant

Long Strapless Lace Dress

$129.00 $39.00 DI-K0347B
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In Stock Buy EM-BYB-2492-107 at PromGirl
  • White/Coral

Short White Floral Print Party Dress

$69.00 $39.00 EM-BYB-2492-107
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In Stock Buy BBL-3JZGL0103 at PromGirl
  • Ivory

Spaghetti-Strap Short White Lace Dress

$69.00 $39.00 BBL-3JZGL0103
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In Stock Buy MT-7462 at PromGirl
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In Stock Buy Long Spaghetti Strap Dress with Jewel Embellished Bodice by Bee Darlin at PromGirl
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In Stock Buy MD-D14138AAAC at PromGirl
  • Champagne

Short Holiday Dress with Lace Embellishments

$79.00 $39.00 MD-D14138AAAC
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In Stock Buy Short Sweetheart Open Back Homecoming Dress by Faviana at PromGirl
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In Stock Buy LP-23131 at PromGirl
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In Stock Buy Strapless Sweethear Pleated Floor Length Dress by Sequin Hearts at PromGirl
  • Purple

Long Strapless Prom Dress by Sequin Hearts

$149.00 $49.00 MY-2288SK1S
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In Stock Buy MT-7795-1 at PromGirl
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In Stock Buy EM-ELD-2449-436 at PromGirl
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In Stock Buy CL-Di259 at PromGirl
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In Stock Buy EM-ELE-2394-060 at PromGirl
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In Stock Buy MY-8825PZ1P at PromGirl
  • Navy/Ivory

Floral Print Strapless My Michelle Dress

$99.00 $49.00 MY-8825PZ1P
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In Stock Buy Knee Length Strapless Sweetheart Dress at PromGirl
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In Stock Buy SY-ID3596VP at PromGirl
* 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.