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 Sweetheart Dress at PromGirl
  • Black/Black/Nude

Short Strapless Sweetheart Dress

$39.00 $19.00 EM-BFB-1027-028
In Stock Buy Short Strapless Lace Summer Dress at PromGirl
  • Peach

Short Strapless Lace Dress

$29.00 $19.00 TR-D30160
In Stock Buy Short Strapless Sweetheart Dress at PromGirl
  • Navy

Short Strapless Sweetheart Dress by Ruby Rox

$59.00 $29.00 RR-FPS12241i4-465
In Stock Buy Short Sleeveless Dress at PromGirl
  • Black
  • Royal Blue
  • Coral

Short Sleeveless Dress

$29.00 CCC-6C9295
In Stock Buy Short Lace Spaghetti Strap Dress at PromGirl
  • Black/Nude

Short Lace Spaghetti Strap Dress

$78.00 $29.00 MT-7109
In Stock Buy Short Strapless Sweetheart Dress at PromGirl
  • Cream/Dust Slate/Cream

Short Strapless Sweetheart Dress

$89.00 $29.00 BD-7DFC263
In Stock Buy Short White Strapless Sweetheart at PromGirl
  • Black

Short White Strapless Dress

$79.00 $29.00 MT-MD-3727
In Stock Buy Strapless Ruched Pink Party Dress at PromGirl
  • Lavender
  • Pink
  • Light Teal
  • Black
  • Champagne
  • Royal
  • Red

Strapless Ruched Party Dress

$69.00 $34.00 DI-JM1363
In Stock Buy Short Strapless Sweetheart Dress at PromGirl
  • Gold
  • Ivory
  • Turquoise

Short Strapless Sweetheart Dress

$69.00 $34.00 NA-2820
In Stock Buy Short Strapless Sweetheart Dress at PromGirl
  • Cream

Short Strapless Sweetheart Dress

$69.00 $34.00 MT-MD-5661
In Stock Buy Strapless Ruched Pink Party Dress at PromGirl
  • Lavender
  • Pink
  • Light Teal
  • Black
  • Champagne
  • Royal
  • Red

Strapless Ruched Pink Party Dress

$69.00 $34.00 DI-JM1363p
In Stock Buy Short Strapless Sweetheart Dress at PromGirl
  • Royal/Black

Short Strapless Sweetheart Dress

$69.00 $34.00 MQ-700985
In Stock Buy Floor Length Sleeveless Lace Dress at PromGirl
  • Black

Floor Length Sleeveless Lace Dress

$79.00 $39.00 LP-22890
In Stock Buy Short Strapless Sweetheart Sequin Dress at PromGirl
  • Navy/Silver

Short Strapless Sweetheart Sequin Dress

$79.00 $39.00 RR-GNN12458I
In Stock Buy Short Spaghetti Strap Black Dress at PromGirl
  • Black

Short Spaghetti Strap Black Dress

$79.00 $39.00 AC-DJ19379B
In Stock Buy Short Strapless Sweetheart Dress at PromGirl
  • Lavender
  • Mint
  • New Red
  • Peach
  • New Teal

Beaded Strapless Short Dress

$99.00 $39.00 DI-JM2597
In Stock Buy Short Sexy Ruched Dress at PromGirl
  • Red

Sexy Homecoming Dress by Jasz

$198.00 $45.00 JZ-4475
In Stock Buy High Low Sparkling Strapless Dress at PromGirl
  • Navy

High Low Sparkling Strapless Dress

$99.00 $49.00 MY-6103gj1n
In Stock Buy Floor Length Strapless Sweetheart Dress at PromGirl
  • Deep Blue Ocean

Long Strapless Blue Dress for Prom

$99.00 $49.00 CT-8420NN3E
* 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.