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. 

In Stock Buy Short Strapless Lace Summer Dress at PromGirl
  • Peach

Short Strapless Lace Dress

$29.00 $19.00 TR-D30160
In Stock Buy Gold Foil Print Dress at PromGirl
  • Gold

Strapless Foil Print Dress

$39.00 $19.00 CL-D40145
In Stock Buy Short Strapless Sweetheart Polka Dot Dress at PromGirl
  • Black/White

Short Strapless Sweetheart Polka Dot Dress

$39.00 $19.00 EM-BCA-1704-020
In Stock Buy Short Strapless Sweetheart Lace Dress at PromGirl
  • Mint

Short Strapless Sweetheart Lace Dress

$49.00 $24.00 CT-3007Z53K
In Stock Buy Short Strapless Sweetheart Dress at PromGirl
  • Green/Red

Short Strapless Sweetheart Dress

$49.00 $24.00 CT-2794BG2F
In Stock Buy Short Strapless Sweetheart Black Dress at PromGirl
  • Black

Short Strapless Sweetheart Black Dress

$49.00 $24.00 CCC-6P8263
In Stock Buy Short Strapless Sweetheart Print Dress at PromGirl
  • White/Neon Pink

Short Strapless Sweetheart Print Dress

$49.00 $24.00 CT-4326DT2A
In Stock Buy Short Strapless Sweetheart Print Dress at PromGirl
  • Black/White

Short Strapless Sweetheart Print Dress

$49.00 $24.00 AS-i796661z8
In Stock Buy Short Strapless Sweetheart Dress at PromGirl
  • Ivory

Short Strapless Dress

$69.00 $29.00 MD-D10281XXV
In Stock Buy Short Sleeveless Dress at PromGirl
  • Black
  • Royal Blue
  • Coral

Short Sleeveless Dress

$29.00 CCC-6C9295
In Stock Buy Short Strapless Sweetheart Dress at PromGirl
  • Gunmetal

Short Strapless Sweetheart Dress

$59.00 $29.00 WC-K2552
In Stock Buy Strapless High Low Dress at PromGirl
  • Ivory

Strapless High Low Dress

$79.00 $29.00 MY-6103XX1N
In Stock Buy Strapless Sweetheart High Low Dress at PromGirl
  • Magenta
  • Coral

Strapless Sweetheart High Low Dress

$69.00 $29.00 MD-D11711GGP
In Stock Buy Strapless Semi Formal Dress at PromGirl
  • Taupe

Strapless Semi Formal Dress

$59.00 $29.00 MD-D11005GGP
In Stock Buy Short Strapless Lace Dress at PromGirl
  • Peach

Short Strapless Lace Dress

$29.00 TR-D30160i
In Stock Buy Short Striped Spaghetti Strap Dress at PromGirl
  • Coral/Coral

Short Striped Spaghetti Strap Dress

$69.00 $29.00 BD-HX1914305
In Stock Buy Short Strapless Sweetheart Dress at PromGirl
  • Fuchsia

Short Strapless Sweetheart Dress

$59.00 $29.00 WC-K1842
In Stock Buy Strapless Sweetheart Short Dress by XOXO at PromGirl
  • Cobalt

Strapless Blue Cocktail Dress

$79.00 $29.00 XO-2523ST11
In Stock Buy High Low Strapless Dress at PromGirl
  • Purple
  • Hot Pink

High Low Strapless Dress

$79.00 $29.00 MY-6103XY1N
In Stock Buy Short Strapless Sweetheart Dress at PromGirl
  • Royal/Black

Short Strapless Sweetheart Dress

$69.00 $34.00 MQ-700985
In Stock Buy Short Strapless Sweetheart Dress at PromGirl
  • Ivory/Black

Short Strapless Sweetheart Dress

$69.00 $34.00 IM-5322-0161C
In Stock Buy Short Strapless Sweetheart Dress at PromGirl
  • Black/Black/Nude

Short Strapless Sweetheart Dress

$39.00 EM-BFB-1027-028
In Stock Buy Short Strapless Empire Waist Dress at PromGirl
  • Seafoam

Short Strapless Black Dress

$79.00 $39.00 MT-MD-5707
* 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.