Long Formal Dresses and Formal Evening Gowns

When searching for a long formal dress or floor-length evening gown, today’s confident woman can look and feel her best in a beautiful formal dress by Simply Dresses. Whether you want to be simply stunning or elegantly low-key, find the formal wear that’s just right for you in this collection of long evening gowns and formal dresses. If your style of formal wear includes a refined and understated look, browse classic cap-sleeve lace dresses and princess-cut v-neck jersey dresses. Prefer a bold and dramatic vibe for your formal prom dress or long evening gown? Try an open-back formal gown in a vibrant, rich jewel tone. Either way, Simply Dresses aims to please with this versatile assortment of formal dresses.

Looking for a formal dress that is short? Shop Simply Dresses' collection of short formal dresses here.

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1,029 Dresses

Open-Back Long Formal Satin Dress by Simply
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LP-SD-27924 In Stock

Open-Back Long Formal Satin Dress by Simply

$49 $149

Navy Mauve
Long High-Low Formal Prom Dress in Satin
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Long JVNX by Jovani Prom Dress in Black Glitter Knit
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Sequin-Bodice V-Neck Long Floral-Print Prom Dress
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Long Two-Piece Ruffled Off-the-Shoulder Prom Dress
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Long Sequin-Lace-Bodice Formal Prom Dress by Simply
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A-Line V-Neck Formal Gown with Embroidered Bodice
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Long V-Neck Simply Prom Dress with Lace Bodice
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Long Sleeveless Emerald Green Chiffon Formal Dress
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JVNX by Jovani Long Embroidered-Bodice Prom Dress
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Sleeveless Long Lace Prom Dress with V-Neckline
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Long Formal Off-the-Shoulder Wedding-Guest Dress
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Sleeveless Long Formal Sweetheart Prom Dress
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High-Neck Long Black Prom Dress with Gold Sequins
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Caged-Back Corset Long V-Neck Sparkly Formal Dress
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Open-Back Long Pastel V-Neck Prom Dress
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LUX-LD4982 In Stock

Open-Back Long Pastel V-Neck Prom Dress

$99 $149

Multi
V-Neck Lace-Back Long Formal Dress by Simply
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Corset-Back Chiffon Elizabeth K Formal Prom Dress
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V-Neck Long Glitter-Tulle Prom Dress
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LP-26059 In Stock

V-Neck Long Glitter-Tulle Prom Dress

$49 $149

Black Blush
V-Neck Beaded Long Formal Dress with Sequins
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JU-MA-263312 In Stock

V-Neck Beaded Long Formal Dress with Sequins

$99 $229

Champagne Red Eggplant +3
Plum Red Long Lace Formal Dress with V-Neckline
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Sheer-Neck Plum Red Long Lace Formal Dress
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Sapphire Blue Glitter-Knit Long Formal Prom Dress
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Off-the-Shoulder Sherri Hill Military Ball Dress
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Jersey-Spandex Long V-Neck Formal Gown by Simply
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Cold-Shoulder Long Bridesmaid Dress by Kleinfeld
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Long Blush Pink V-Neck Lace-Bodice Prom Dress
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Long Formal Prom Dress with Open-Back Cut Out
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JVNX by Jovani Long Military Ball Gown with Lace
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Long-Sleeve Open-Back Navy Blue Long Prom Dress
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Navy Blue Long Formal V-Neck Sequin Dress by Simply
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Sequin-Bodice Mauve Pink Long Formal Prom Dress
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