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. 

Buy Floor Length Atria Prom Dress at PromGirl
  • Pink
  • Ivory

Floor Length Atria Prom Dress

$518.00 AT-AC141105
In Stock Buy Strapless Sweetheart Ombre Formal Gown at PromGirl
  • Jade

Open Back Prom Dress by La Femme

$398.00 $299.00 LF-18525
In Stock Buy Floor Length Strapless Dress JVN by Jovani at PromGirl
  • Royal
  • Red
  • Orange
  • Black
  • Blush

Strapless Orange Gown JVN by Jovani

$278.00 JO-JVN-JVN90365o
In Stock Buy JVN by Jovani One Shoulder Rhinestone Embellished Floor Length Dress at PromGirl
  • Black
  • White
  • Coral

One Shoulder Gown JVN by Jovani

$358.00 $269.00 JO-JVN-JVN91220
In Stock Buy Black La Femme Dress 16802 at PromGirl
  • Coral
  • Midnight Blue
  • Nude
  • Peacock
  • Cotton Candy Pink
  • Black
  • Periwinkle

Black La Femme Dress 16802

$250.00 LF-16802b
In Stock Buy JVN by Jovani Long Strapless Sweetheart Lace Embellished Dress at PromGirl
  • Nude/White
  • Black/White

Strapless Long Prom Dress JVN by Jovani

$378.00 $249.00 JO-JVN-JVN91085
* 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.