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 Strapless Sweetheart Dress at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Dress 8789 at PromGirl
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In Stock Buy Short Lace Sleeveless Dress at PromGirl
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In Stock Buy Short Sleeveless A-Line Dress with Illusion Bodice at PromGirl
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In Stock Buy DQ-9191 at PromGirl
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In Stock Buy Short Sleeveless Sequin Embellished Dress at PromGirl
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In Stock Buy Short Strapless Chiffon Dress 9115 at PromGirl
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In Stock Buy ML-132 at PromGirl
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In Stock Buy Short Sleeveless Dress with Lace Bodice at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
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In Stock Buy Short Lace Strapless Sweetheart Lace Dress at PromGirl
  • Coral
  • Light Teal
  • New Red

Short Lace Strapless Dress

$119.00 DI-JM1968
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In Stock Buy Short Sleeveless Dress with Sheer and Sequin Bodice at PromGirl
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In Stock Buy Two Piece Floor Length Dress with Illusion Bodice at PromGirl
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In Stock Buy Short A-Line Strapless Sweetheart Dress CL-43713 at PromGirl
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In Stock Buy Short Sleeveless Dress 9160 with Jewel and Bead Embellished Bodice at PromGirl
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In Stock Buy Flowing Floor Length Gown at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Jewel Embellished Dress Glamour by Terani at PromGirl
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In Stock Buy Short Sleeveless Dress with Lace Bodice at PromGirl
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In Stock Buy Strapless Sweetheart Floor Length Dress at PromGirl
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In Stock Buy Short Strapless Sweetheart Dress at PromGirl
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In Stock Buy Short Sleeveless Ruched Dress at PromGirl
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In Stock Buy Sweetheart Open Back Sequin Dress by Scala at PromGirl
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In Stock Buy EM-DSO-2281-466 at PromGirl
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In Stock Buy Sleeveless Floor Length Dress with Lace Embellished Neckline at PromGirl
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In Stock Buy Short Strapless Beaded Babydoll Dress 9212 by Mori Lee at PromGirl
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In Stock Buy CL-Di259 at PromGirl
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In Stock Buy Short Strapless Sweetheart Dress at PromGirl
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In Stock Buy Short Strapless Sweetheart Dress at PromGirl
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In Stock Buy Short Sleeveless Dress with Lace Embellished Bodice at PromGirl
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In Stock Buy Short Strapless Sweetheart Dress at PromGirl
  • Pink/Ivory

Short Strapless Sweetheart Dress

$59.00 SS-D56711HRC
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In Stock Buy Floor Length Strapless Dress at PromGirl
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In Stock Buy Illusion Bodice Sequin Hearts Two Piece Long Prom Dress with Side Slit at PromGirl
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In Stock Buy Short Sleeveless Homecoming Dress 6049 with Lace Bodice at PromGirl
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In Stock Buy Floor Length Mori Lee Prom Dress at PromGirl
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In Stock Buy Strapless Sweetheart Short Tulle Dress 9143 at PromGirl
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In Stock Buy Short Strapless Empire Waist Dress by Damas at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Chiffon Dress at PromGirl
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In Stock Buy Short Strapless Sweetheart Dress 9170 with Jewel Embellished Bodice at PromGirl
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In Stock Buy SH-50228 at PromGirl
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In Stock Buy JU-732 at PromGirl
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In Stock Buy Short Cap Sleeve Illusion Dress at PromGirl
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In Stock Buy DQ-9233 at PromGirl
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In Stock Buy SS-X28853HJL at PromGirl
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In Stock Buy DQ-9202 at PromGirl
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In Stock Buy Dave and Johnny Floor Length Prom Dress at PromGirl
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In Stock Buy Short Strapless Sweetheart Dress with Lace Bodice 9184 at PromGirl
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In Stock Buy DQ-9137 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 Short Strapless Sweetheart Dress at PromGirl
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In Stock Buy LF-AV-0635 at PromGirl
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In Stock Buy Long Open Back Sweetheart Gown by Faviana at PromGirl
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In Stock Buy LP-23239 at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart JVN by Jovani Dress at PromGirl
  • Royal
  • Black
  • Orange

Strapless Evening Gown JVN by Jovani

$278.00 $139.00 JO-JVN-JVN90365
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In Stock Buy Lace Strapless Sweetheart Floor Length Dress by City Triangles at PromGirl
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In Stock Buy LP-23380 at PromGirl
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In Stock Buy JU-47051 at PromGirl
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In Stock Buy BD-I7YUH109 at PromGirl
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In Stock Buy MQ-1110845 at PromGirl
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In Stock Buy Gorgeous La Femme Prom Dress at PromGirl
  • Coral
  • Midnight Blue
  • Nude
  • Black

Gorgeous La Femme Prom Dress

$250.00 LF-16802
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In Stock Buy Short Strapless Sweetheart Babydoll Dress by Damas at PromGirl
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In Stock Buy Short Sleeveless Homecoming Dress 6162 at PromGirl
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In Stock Buy Short Strapless Sweetheart Dress at PromGirl
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In Stock Buy LP-23131 at PromGirl
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In Stock Buy EM-ELD-2449-436 at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart JVN by Jovani Dress at PromGirl
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In Stock Buy SG-ASAJiAVM at PromGirl
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In Stock Buy Floor Length One Shoulder Dress by Blush at PromGirl
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In Stock Buy Short Strapless Sweetheart Dress at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Red
  • Mint
  • Ivory

Long Strapless Prom Gown

$179.00 DQ-8693
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In Stock Buy Strapless Sweetheart Floor Length Dress with Lace Detailing at PromGirl
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In Stock Buy Knee Length Lace Dress with Matching Bolero by Sally Fashion at PromGirl
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In Stock Buy Floor Length Strapless Dress with Embellished Waist at PromGirl
  • Ivory
  • Neon Hot Coral

Strapless Prom Gown by City Triangles

$149.00 $59.00 CT-8420DW3B
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In Stock Buy ML-131 at PromGirl
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In Stock Buy EM-EFY-1027-600 at PromGirl
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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 $34.00 EM-EDM-1733-433
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In Stock Buy Short Strapless Sweetheart Dress by Alyce at PromGirl
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In Stock Buy Short Sleevless Sweetheart Alyce Dress at PromGirl
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In Stock Buy FA-7742 at PromGirl
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In Stock Buy BBL-3JZGL0103 at PromGirl
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In Stock Buy LF-AV-0634 at PromGirl
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In Stock Buy Short Strapless Sweetheart Sequin Dress at PromGirl
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In Stock Buy Elegant Classic Strapless Chiffon Prom Dress by Blush at PromGirl
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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 Long Open Back Sweetheart Dress by Alyce at PromGirl
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In Stock Buy DQ-9321 at PromGirl
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In Stock Buy LF-AV-0701 at PromGirl
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In Stock Buy La Femme Floor Length Dress with Sweetheart Neckline at PromGirl
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In Stock Buy JU-48372 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 $69.00 MY-2288SK1S
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In Stock Buy DQ-9274 at PromGirl
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In Stock Buy Short Cap Sleeve Illusion Dress at PromGirl
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In Stock Buy Long Embellished Sweetheart Gown by La Femme at PromGirl
  • Watermelon

Cut Out Prom Gown by La Femme 18602

$398.00 $199.00 LF-18602
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In Stock Buy JU-MA-262726 at PromGirl
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In Stock Buy Short Strapless Sherri Hill Dress at PromGirl
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In Stock Buy BN-56012 at PromGirl
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In Stock Buy Short Strapless Sweetheart Sherri Hill Dress at PromGirl
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In Stock Buy Floor Length Floral Print Dress by Dave and Johnny at PromGirl
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In Stock Buy EM-ENW-1606-120 at PromGirl
  • Ivory

Ivory Knee Length Graduation Dress

$59.00 EM-ENW-1606-120
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In Stock Buy BL-11010 at PromGirl
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In Stock Buy LF-AV-0834 at PromGirl
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In Stock Buy Short Sleeveless Rhinestone Embellished Dress at PromGirl
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In Stock Buy FA-7891 at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Glamour by Terani Gown at PromGirl
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In Stock Buy LP-23316 at PromGirl
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In Stock Buy Sleeveless Scoop Neck Floor Length Dress at PromGirl
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In Stock Buy Strapless Sweetheart Short Alyce Dress at PromGirl
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In Stock Buy LF-AV-0546 at PromGirl
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In Stock Buy Lace Floor Length Strapless Sweetheart Dress E1796 at PromGirl
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In Stock Buy Short Strapless Lace Up Dress by Damas at PromGirl
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In Stock Buy Short Strapless Empire Waist Faviana Dress 7650 at PromGirl
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In Stock Buy DQ-9502 at PromGirl
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In Stock Buy EM-BYB-2492-107 at PromGirl
  • White/Coral

Short White Floral Print Party Dress

$49.00 EM-BYB-2492-107
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In Stock Buy LP-23778 at PromGirl
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In Stock Buy Floor Length Prom Dress with Lace Embellished Bodice at PromGirl
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In Stock Buy Short Ivory Two Piece Sequin Hearts Dress with Lace Bodice at PromGirl
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In Stock Buy Long Strapless Mermaid Style Prom Dress by Madison James at PromGirl
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In Stock Buy Short Sleeveless Dress with Bead Embellishments at PromGirl
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In Stock Buy Sherri Hill Strapless Floor Length Dress at PromGirl
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In Stock Buy Short Sleeveless Homecomig Dress GS2157 at PromGirl
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In Stock Buy Strapless Sweetheart Off White Prom Dress G581 at PromGirl
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In Stock Buy High Neck Sleeveless Dress 9158 with Jewel Embellishments at PromGirl
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In Stock Buy Sherri Hill Short Strapless Homecoming Dress at PromGirl
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In Stock Buy Open Back Floor Length Cap Sleeve Dress by Elizabeth K at PromGirl
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In Stock Buy SS-D62841HJL at PromGirl
  • Ivory

Short Long Sleeve V-Back Dress

$59.00 SS-D62841HJL
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In Stock Buy Short Strapless Sweetheart Dress by Alyce at PromGirl
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In Stock Buy DQ-9402 at PromGirl
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In Stock Buy MY-3035SX6D at PromGirl
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In Stock Buy Strapless Floor Length Dress with Sequin Detailed Bodice at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
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In Stock Buy LP-23461 at PromGirl
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In Stock Buy Strapless Sweetheart Faviana Dress at PromGirl
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In Stock Buy Short Sleeveless Dress with Illusion Bodice at PromGirl
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In Stock Buy Long Multi-Way Prom Dress by Faviana at PromGirl
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In Stock Buy SS-X29251HVS at PromGirl
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In Stock Buy FA-7724 at PromGirl
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In Stock Buy CL-DI262 at PromGirl
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In Stock Buy Floor Length Sweetheart Dress by Dave and Johnny at PromGirl
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Buy JU-MA-263074 at PromGirl
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In Stock Buy  Floor Length Sleeveless Gown G411 with Illusion Bodice at PromGirl
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In Stock Buy DQ-9312 at PromGirl
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In Stock Buy Embellished Strapless Mermaid Gown at PromGirl
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In Stock Buy Black Strapless Dress with Corset Back at PromGirl
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In Stock Buy Sherri Hill Strapless Sweetheart Prom Dress at PromGirl
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In Stock Buy Floor Length Flowing Strapless Dress at PromGirl
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In Stock Buy LF-22200 at PromGirl
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In Stock Buy Sweetheart Long La Femme Sleeveless Prom Dress at PromGirl
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In Stock Buy LF-22190 at PromGirl
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In Stock Buy Sherri Hill Strapless Homecoming Dress at PromGirl
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In Stock Buy XC-30692 at PromGirl
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In Stock Buy Short Strapless Sweetheart Dress 3668 by Alyce at PromGirl
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In Stock Buy Short Strapless Lace Embellished Dress at PromGirl
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In Stock Buy XC-30687 at PromGirl
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In Stock Buy Short Open Back Babydoll Dress 9335 by Mori Lee at PromGirl
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In Stock Buy LF-22150 at PromGirl
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In Stock Buy Floor Length Strapless Sweetheart Atria Dress at PromGirl
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In Stock Buy Short Spaghetti Strap Sherri Hill Dress with Lace Bodice at PromGirl
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In Stock Buy MY-8825PZ1P at PromGirl
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In Stock Buy Short Sweetheart Dress with Cap Sleeves by Mori Lee 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.