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 JVN by Jovani One Shoulder Rhinestone Embellished Floor Length Dress at PromGirl
  • Black
  • White
  • Coral

One Shoulder Gown JVN by Jovani

$358.00 JO-JVN-JVN91220
In Stock Buy JVN by Jovani Floor Length Strapless Sweetheart Sequin Dress at PromGirl
  • White/Nude
  • Black/Nude

Strapless Sequin Gown JVN by Jovani

$398.00 $299.00 JO-JVN-JVN88738
In Stock Buy Long Strapless La Femme Dress 19745 at PromGirl
  • White/Nude
  • Aqua/Nude
  • Wisteria/Nude

Long Strapless Prom Dress by La Femme

$450.00 $299.00 LF-19745
In Stock Buy Floor Length Lace Corset Prom Dress at PromGirl
  • Pale Pink

Lace Corset Prom Dress by La Femme

$450.00 $299.00 LF-19913
In Stock Buy Floor Length Strapless Sweetheart JVN by Jovani Dress at PromGirl
  • Royal
  • Red
  • Orange
  • Black

Strapless Evening Gown JVN by Jovani

$278.00 JO-JVN-JVN90365
In Stock Buy Floor Length Strapless Dress JVN by Jovani at PromGirl
  • Royal
  • Red
  • Orange
  • Black

Strapless Orange Gown JVN by Jovani

$278.00 JO-JVN-JVN90365o
In Stock Buy Floor Length Strapless Sweetheart JVN by Jovani Dress at PromGirl
  • Mint
  • Blush
  • Coral
  • White

Long Strapless Dress JVN by Jovani

$358.00 $269.00 JO-JVN-JVN78331
In Stock Buy Short One Shoulder Dress at PromGirl
  • Navy

Short One Shoulder Dress

$258.00 KC-3827
In Stock Buy Black La Femme Dress 16802 at PromGirl
  • Coral
  • Midnight Blue
  • Nude
  • Peacock
  • Cotton Candy Pink
  • Black
  • Yellow

Black La Femme Dress 16802

$250.00 LF-16802b
In Stock Buy Long Open Back Strapless Gown at PromGirl
  • Ivory
  • Lilac
  • Dark Pink

Jasz Open Back Gown 4813

$249.00 JZ-4813
In Stock Buy Long Strapless Sweetheart Formal Gown at PromGirl
  • Blush
  • Pale Blue

Long Strapless Sweetheart Formal Gown

$498.00 $249.00 LF-20027
In Stock Buy La Femme 18934 Strapless Dress at PromGirl
  • White

Long Strapless Dress by La Femme 18934

$398.00 $249.00 LF-18934
In Stock Buy Long Strapless Sweetheart Mermaid Gown at PromGirl
  • Soft Mango
  • French Blue
  • Mint

Long Strapless Mermaid Gown by Flirt

$498.00 $249.00 FL-P4812
In Stock Buy Flirt Ball Gown with Sweetheart Neckline at PromGirl
  • Blush Whisper

Flirt Ball Gown with Beaded Back

$498.00 $249.00 FL-P4832
In Stock Buy Floor Length Strapless La Femme Prom Dress 19731 at PromGirl
  • Hot Coral
  • Electric Purple
  • Peacock
  • Yellow

Open Back Prom Dress by La Femme 19731

$378.00 $249.00 LF-19731
Buy Blush Strapless Prom Dress at PromGirl
  • Fuchsia

Blush Strapless Prom Dress

$239.00 BL-IN-54
* 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.