Long Formal Dance Dresses and Formal Gowns

A long formal dress is an essential part of any formal-wear wardrobe. Check out PromGirl’s selection of formal evening dresses for your next prom, military ball, homecoming, black-tie wedding, or another special event. How formal should your dress be? The dress code and event requirements will determine what type of formal dress you should wear. Dresses for formals are typically long and have elegant detailing such as beading, embroidery, or flowing material. PromGirl has put together a large assortment of formal gowns that are fit for every formal event. For a sophisticated look, try a simple prom dress adorned with a classic sweetheart bodice and flowing chiffon skirt. Are you looking for an alluring long cocktail dress? Try an a-line long party dress featuring an open back, mermaid skirt, or a deep plunging v-neckline. Whatever your personal style, you can confidently shop this collection of formal dance dresses for your next special occasion.

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1,007 Dresses

Strapless Satin PromGirl Prom Dress with Train
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Strappy-Open-Back Long Prom Dress by PromGirl
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Madison James Long Sparkly Formal Prom Dress
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V-Neck Long Faux-Wrap Prom Dress by PromGirl
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Long Navy Blue Plus-Size Prom Dress by PromGirl
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Strapless Long Plus-Size Prom Dress by PromGirl
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Two-Piece V-Neck Long Prom Dress by Madison James
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Long Jersey Off-Shoulder Prom Dress with Embroidery
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Red Plus-Size High-Low Prom Dress by PromGirl
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Long Crepe Formal Prom Dress in Navy Blue
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EM-CWP-3405-430 In Stock

Long Crepe Formal Prom Dress in Navy Blue

$99

Navy
Long Off-the-Shoulder Sweetheart Prom Dress
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Two-Piece Velvet Off-the-Shoulder Long Prom Dress
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Backless Corset JVNX by Jovani Long Prom Dress
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V-Neck Long Open-Back Prom Dress
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SY-ID4148VY In Stock

V-Neck Long Open-Back Prom Dress

$99

Burgundy Navy
Mock-Wrap Long V-Neck Prom Dress
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BL-PG3167 In Stock

Mock-Wrap Long V-Neck Prom Dress

$249

Navy Blush
Long Velvet-Bodice Prom Dress by Madison James
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Long A-Line V-Neck Prom Dress
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DQ-2825 In Stock

Long A-Line V-Neck Prom Dress

$199

Navy Burgundy
Madison James Mermaid-Style Long Navy Prom Dress
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Chiffon Kleinfeld Cold-Shoulder Bridesmaid Dress
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Off-Shoulder Lace-Ruffle Long Two-Piece Prom Dress
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Long Faviana V-Neck Evening Dress
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FA-7541 In Stock

Long Faviana V-Neck Evening Dress

$298

Navy Black Bordeaux +2
Long Open-Back Sheath Prom Dress by PromGirl
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Two-Piece Long Prom Dress with Beaded-Lace Top
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Long Sparkly Formal Prom Dress by Madison James
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Two-Piece Sequin-Print Sparkly Formal Prom Dress
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Open-Back Long V-Neck Prom Dress with Sequins
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JVNX by Jovani Long Mermaid Prom Dress with Open Back
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Kleinfeld Bridesmaid Dress with Sweetheart Neckline
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Lace-Back Long V-Neck Mermaid Prom Dress
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High-Neck Long Formal Prom Dress by Madison James
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La Femme Off-the-Shoulder Long Prom Dress
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Long Lace-Bodice Off-Shoulder Sweetheart Prom Dress
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Off-the-Shoulder Long Prom Dress by Madison James
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Long Sequin Prom Dress with Keyhole Back
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Madison James Two-Piece Long Formal Prom Dress
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