Formal and Party Dresses with Sweetheart Necklines

Sweetheart dresses get their name from the curved heart shape of the neckline. A beloved classic design choice, the rounded neckline is a flattering feature on short and long sweetheart dresses. Sweetheart-neckline dresses have been prominent in fashion for decades, making sweetheart formal dresses and sweetheart cocktail dresses time-honored styles that are sure to stay in fashion for years to come. This collection of dresses with sweetheart necklines includes every design from demure sweetheart party dresses to elegant sweetheart evening gowns. Explore these strapless sweetheart dresses, sweetheart cocktail dresses, and short sweetheart dresses for wedding receptions and semi-formal parties. Here you will find sweetheart evening gowns and sweetheart formal dresses for black-tie formals, prom celebrations, or military balls. Let Simply Dresses help you find the ideal sweetheart dress from this collection of dresses with sweetheart necklines in a variety of colors, fabrics, and styles for your semi-formal or formal event.

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152 Dresses

Long Crepe Off-Shoulder Classic Bridesmaid Dress
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Off-the-Shoulder Lace-Sleeve Fitted Glitter Dress
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Ruched-Sweetheart-Bodice Long Chiffon Prom Dress
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Sleeveless Long Stretch Chiffon Bridesmaid Dress
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Long Plus-Size Strapless Sweetheart Prom Dress
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Glitter-Knit Long A-Line Bridesmaid Dress
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Off-the-Shoulder Short Cocktail Dress with Twist
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Long Chiffon Halter Bridesmaid Dress
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KL-200004 In Stock

Long Chiffon Halter Bridesmaid Dress

$149

Skyway Baby Pink Sangria +8
Long Sweetheart Black Formal Dress by Simply
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Long Tulle Formal Off-the-Shoulder Bridesmaid Dress
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Sweetheart Long Satin Prom Dress by PromGirl
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Cowl-Back Long Bridesmaid Dress in Stretch Chiffon
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Sweetheart Long Mermaid Prom Dress by Simply
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PromGirl Sweetheart Long Formal Prom Dress
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Long Ruched Bridesmaid Dress with Removable Straps
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Form-Fitting Off-the-Shoulder Midi Party Dress
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FG-RTM-21-ID8029SP In Stock

Form-Fitting Off-the-Shoulder Midi Party Dress

$69

Ivory Black Skyway
Short Chiffon Halter Bridesmaid Dress
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KL-200045 In Stock

Short Chiffon Halter Bridesmaid Dress

$149

Baby Pink Sangria Navy +7
Cold-Shoulder Sweetheart Long Prom Dress
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Sweetheart Tight Short Wedding-Guest Party Dress
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Floral-Print Off-Shoulder Long Bridesmaid Dress
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Metallic Glitter Long Sweetheart Formal Gown
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LAS-LSC-21-25861 In Stock

Metallic Glitter Long Sweetheart Formal Gown

$129

Bronze Silver
Short Ruffle Full Babydoll-Skirt Prom Dress
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Stretch Satin Long Bridesmaid Dress with Ruffles
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Sweetheart Long Bridesmaid Dress with Slit
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Bebe Formal Jumpsuit with Open Pant Legs
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JU-BEBE-21-701874 In Stock

Bebe Formal Jumpsuit with Open Pant Legs

$109

Fuchsia Hunter
Satin and Lace Short Strapless Homecoming Dress
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Pleated-Bodice Long Bridesmaid Dress
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Corset-Back Short Tiered Homecoming Party Dress
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