Backless Prom Dresses
Elegant profiles define the backless prom dresses edit, merging timeless occasionwear codes with 2025’s leading trends for an unforgettable effect. The backless prom dress appears in a series of mini, maxi, and midi cuts, realized from luxury textiles for remarkable quality. The open back prom dress appears in contoured versions, with jersey, ponte, scuba, satin, crêpe, and the unparalleled four-way support of our iconic Compact Stretch. You’ll also find low back prom dress pieces that appear in tactile tulle, organza, chiffon, voile, georgette, silk and satin. Offsetting the open back, you’ll find corset-inspired bodices, dramatic puffed sleeves, mesh-trimmed cutout styles, halterneck cuts, and asymmetric necklines in a considered palette — with red and black tones offsetting captivating brights, classic neutrals and jewel tones.
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Floral Prom Dresses
Long Sleeve Prom Dresses
Black Prom Dresses
Gold Prom Dresses
Purple Prom Dresses
Yellow Prom Dresses
Blue Prom Dresses
Ball Gown Dresses
Short Prom Dresses
Pink Prom Dresses
White Prom Dresses
Royal Blue Prom Dresses
Red Prom Dresses
Orange Prom Dresses
Silver Prom Dresses
Light Blue Prom Dresses
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KarenMillen
Crinkle Cross Front Georgette Woven Maxi Dress
- Length: Maxi
- Sleeve length: Sleeveless
- Style: Maxi Dress
$339.00
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KarenMillen
Soft Tailored Halterneck Open Back Maxi Dress
- Length: Maxi
- Sleeve length: Sleeveless
- Style: Maxi Dress
$299.00
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KarenMillen
Kimono Sleeve Embellished Maxi Dress
- Length: Maxi
- Sleeve length: Long Sleeve
- Style: Maxi Dress
$179.00
$599.00
Petite
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KarenMillen
Petite Soft Tailored Halter Neck Open Back Maxi Dress
- Length: Maxi
- Sleeve length: Sleeveless
- Style: Maxi Dress
$399.00
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KarenMillen
Drapey Crepe Jersey Maxi Dress
- Design: Plain
- Detail: Plain
- Style: Maxi Dress
$69.00
$239.00
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KarenMillen
Stripe Cotton Rosette Woven Shirt Maxi Dress
- Length: Maxi
- Sleeve length: Long Sleeve
- Style: Maxi Dress
$159.00
$319.00
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KarenMillen
Figure Form Bandage One Shoulder Fringe Mini Knit Dress
- Length: Mini
- Sleeve length: Sleeveless
- Style: Knitted Dress
$139.00
$359.00
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KarenMillen
Compact Stretch Asymmetric Neck Tailored Full Skirted Dress
- Length: Midi
- Sleeve length: Sleeveless
- Style: Full Skirted Dress
$319.00
$459.00
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KarenMillen
Satin Applique Woven Maxi Dress
- Length: Maxi
- Sleeve length: Strappy
- Style: Maxi Dress
$139.00
$459.00
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KarenMillen
Soft Tailored Halter Neck Open Back Maxi Dress
- Length: Maxi
- Sleeve length: Sleeveless
- Style: Maxi Dress
$159.00
$399.00
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KarenMillen
Tailored Structured Crepe Roll Neck Pencil Midi Dress
- Length: Midi
- Sleeve length: Sleeveless
- Style: Midi Dress
$399.00
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KarenMillen
Drape Sleeve Embellished Midaxi Dress
- Length: Midaxi
- Sleeve length: Long Sleeve
- Style: Midaxi Dress
$639.00
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KarenMillen
Polished Tailored Corset Detail Midi Dress
- Length: Midi
- Occasion: Daywear
- Style: Midi Dress
$109.00
$459.00
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KarenMillen
Tulle Layered Halter Neck Maxi Dress
- Length: Maxi
- Sleeve length: Sleeveless
- Style: Maxi Dress
$299.00
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KarenMillen
Figure Form Bandage Knit Rosette Detail Midi Dress
- Length: Midi
- Sleeve length: Short Sleeve
- Style: Knitted Dress
$119.00
$299.00
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KarenMillen
Garden Floral Viscose Georgette Satin Mix Maxi Dress
- Length: Maxi
- Sleeve length: Long Sleeve
- Style: Maxi Dress
$219.00
$719.00
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KarenMillen
Soft Tailored Colour Block Cape Detail Full Skirted Maxi Dress
- Length: Maxi
- Sleeve length: Sleeveless
- Style: Maxi Dress
$139.00
$579.00
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KarenMillen
Long Sleeve Ombre Mesh Maxi Dress
- Length: Maxi
- Sleeve length: Long Sleeve
- Style: Maxi Dress
$99.00
$239.00
Petite
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KarenMillen
Petite Applique And Lace Georgette Woven Halter Maxi Dress
- Length: Maxi
- Sleeve length: Sleeveless
- Style: Maxi Dress
$169.00
$579.00
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KarenMillen
Scuba Drama Ruffle Hem Woven Maxi Dress
- Detail: Ruffle
- Sleeve length: Sleeveless
- Style: Maxi Dress
$139.00
$339.00
Petite
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KarenMillen
Petite Scuba Drama Ruffle Hem Woven Maxi Dress
- Detail: Ruffle
- Length: Maxi
- Neckline: Crew
$339.00
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KarenMillen
Compact Stretch Open Back Full Skirted Tailored Midi Dress
- Length: Midi
- Sleeve length: Sleeveless
- Style: Midi Dress
$119.00
$499.00
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KarenMillen
Petal Applique Embellished Broderie Rosette Maxi Dress
- Length: Maxi
- Sleeve length: Sleeveless
- Style: Maxi Dress
$199.00
$799.00
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KarenMillen
Embroidered Cotton Linen Woven Halter Dress
- Design: Embroidered
- Fabric: Cotton
- Style: Maxi Dress
$159.00
$639.00
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KarenMillen
Placed Floral Crystal Embellished Tailored Drama Cape Maxi Dress
- Length: Maxi
- Sleeve length: Long Sleeve
- Style: Maxi Dress
$299.00
$999.00
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KarenMillen
Floral Jacquard Plunge Corset Pencil Midi Dress
- Length: Midi
- Sleeve length: Strappy
- Style: Tailored Dress
$85.00
$279.00
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KarenMillen
Pleated Floral Cape Sleeve Low Back Maxi Dress
- Length: Maxi
- Sleeve length: Short Sleeve
- Style: Maxi Dress
$99.00
$319.00
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KarenMillen
Lace Textured Low Back Long Sleeve Midi Dress
- Length: Midi
- Sleeve length: Long Sleeve
- Style: Midi Dress
$79.00
$239.00
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KarenMillen
Mesh Plunge Strappy Detail Maxi Dress
- Length: Maxi
- SleeveLength: Strappy
- Style: Maxi Dress
$69.00
$179.00
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KarenMillen
Viscose Linen Woven Maxi Prom Dress
- Length: Maxi
- Sleeve length: Strappy
- Style: Maxi Dress
$359.00
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KarenMillen
Stretch Cotton Jersey Strappy Mini Dress
- Occasion: Daywear
- SleeveLength: Strappy
- Style: Mini Dress
$69.00
$119.00
Petite
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KarenMillen
Petite Garden Floral Viscose Georgette Satin Mix Maxi Dress
- Occasion: Occasion
- SleeveLength: Long Sleeve
- Style: Maxi Dress
$179.00
$719.00
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KarenMillen
Drama Halter Pleat Insert Woven Satin Maxi Dress
- Length: Maxi
- Sleeve length: Sleeveless
- Style: Maxi Dress
$75.00
$299.00
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KarenMillen
Floral Crochet Woven Backless Maxi Beach Dress
- Occasion: Daywear
- Style: Beachwear
$299.00
Petite
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KarenMillen
Petite Premium Linen Pintuck Detail Full Skirted Tailored Midi Dress
- Length: Midi
- Occasion: Occasion
- Style: Midi Dress
$119.00
$479.00
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KarenMillen
Tailored Crepe Tipped Tailored Mini Shirt Dress
- Length: Mini
- Sleeve length: Short Sleeve
- Style: Mini Dress
$109.00
$359.00
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KarenMillen
Cotton Linen Cornelli Embroidery Open Back Woven Midi Dress
- Design: Embroidered
- Detail: Embroidered
- Style: Midi Dress
$539.00
Petite
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KarenMillen
Petite Soft Tailored Colour Block Cape Detail Full Skirted Maxi Dress
- Length: Maxi
- Sleeve length: Sleeveless
- Style: Maxi Dress
$139.00
$579.00
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KarenMillen
Tailored Denim Halter Neck Pencil Midi Dress
- Fabric: Polyester
- Length: Midi
- Sleeve length: Sleeveless
$99.00
$399.00
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KarenMillen
Compact Stretch High Neck Open Back Tailored Maxi Dress
- Length: Maxi
- Occasion: Occasion
- SleeveLength: Sleeveless
$159.00
$399.00
Showing 40 of 107