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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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favourite
Crinkle Cross Front Georgette Woven Maxi Dress
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KarenMillen

Crinkle Cross Front Georgette Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$339.00
lemon color pink color
favourite
Soft Tailored Halterneck Open Back Maxi Dress
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KarenMillen

Soft Tailored Halterneck Open Back Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$299.00
pink color green color
favourite
Kimono Sleeve Embellished Maxi Dress
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KarenMillen

Kimono Sleeve Embellished Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$179.00 $599.00
blue color rust color
favourite
Petite Soft Tailored Halter Neck Open Back Maxi Dress
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
green color pink color
favourite
Drapey Crepe Jersey Maxi Dress
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KarenMillen

Drapey Crepe Jersey Maxi Dress

  • Design: Plain
  • Detail: Plain
  • Style: Maxi Dress
$69.00 $239.00
lilac color navy color lemon color
favourite
Stripe Cotton Rosette Woven Shirt Maxi Dress
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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
favourite
Figure Form Bandage One Shoulder Fringe Mini Knit Dress
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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
chartreuse color black color silver color
favourite
Compact Stretch Asymmetric Neck Tailored Full Skirted Dress
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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
black color ivory color
favourite
Satin Applique Woven Maxi Dress
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KarenMillen

Satin Applique Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
$139.00 $459.00
cornflower-blue color pink color
favourite
Soft Tailored Halter Neck Open Back Maxi Dress
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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
pale-blue color pink color
favourite
Tailored Structured Crepe Roll Neck Pencil Midi Dress
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KarenMillen

Tailored Structured Crepe Roll Neck Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
$399.00
ivory color black color
favourite
Drape Sleeve Embellished Midaxi Dress
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KarenMillen

Drape Sleeve Embellished Midaxi Dress

  • Length: Midaxi
  • Sleeve length: Long Sleeve
  • Style: Midaxi Dress
$639.00
favourite
Polished Tailored Corset Detail Midi Dress
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KarenMillen

Polished Tailored Corset Detail Midi Dress

  • Length: Midi
  • Occasion: Daywear
  • Style: Midi Dress
$109.00 $459.00
ivory color aqua color
favourite
Tulle Layered Halter Neck Maxi Dress
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KarenMillen

Tulle Layered Halter Neck Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$299.00
favourite
Figure Form Bandage Knit Rosette Detail Midi Dress
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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
blush color black color
favourite
Garden Floral Viscose Georgette Satin Mix Maxi Dress
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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
favourite
Soft Tailored Colour Block Cape Detail Full Skirted Maxi Dress
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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
favourite
Long Sleeve Ombre Mesh Maxi Dress
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KarenMillen

Long Sleeve Ombre Mesh Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$99.00 $239.00
favourite
Petite Applique And Lace Georgette Woven Halter Maxi Dress
Petite
View
KarenMillen

Petite Applique And Lace Georgette Woven Halter Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$169.00 $579.00
favourite
Scuba Drama Ruffle Hem Woven Maxi Dress
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KarenMillen

Scuba Drama Ruffle Hem Woven Maxi Dress

  • Detail: Ruffle
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$139.00 $339.00
blue color red color
favourite
Petite Scuba Drama Ruffle Hem Woven Maxi Dress
Petite
View
KarenMillen

Petite Scuba Drama Ruffle Hem Woven Maxi Dress

  • Detail: Ruffle
  • Length: Maxi
  • Neckline: Crew
$339.00
favourite
Compact Stretch Open Back Full Skirted Tailored Midi Dress
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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
ivory color navy color black color
favourite
Petal Applique Embellished Broderie Rosette Maxi Dress
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KarenMillen

Petal Applique Embellished Broderie Rosette Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$199.00 $799.00
favourite
Embroidered Cotton Linen Woven Halter Dress
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KarenMillen

Embroidered Cotton Linen Woven Halter Dress

  • Design: Embroidered
  • Fabric: Cotton
  • Style: Maxi Dress
$159.00 $639.00
favourite
Placed Floral Crystal Embellished Tailored Drama Cape Maxi Dress
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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
favourite
Floral Jacquard Plunge Corset Pencil Midi Dress
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KarenMillen

Floral Jacquard Plunge Corset Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Tailored Dress
$85.00 $279.00
favourite
Pleated Floral Cape Sleeve Low Back Maxi Dress
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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
favourite
Lace Textured Low Back Long Sleeve Midi Dress
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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
favourite
Mesh Plunge Strappy Detail Maxi Dress
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KarenMillen

Mesh Plunge Strappy Detail Maxi Dress

  • Length: Maxi
  • SleeveLength: Strappy
  • Style: Maxi Dress
$69.00 $179.00
favourite
Viscose Linen Woven Maxi Prom Dress
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KarenMillen

Viscose Linen Woven Maxi Prom Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
$359.00
favourite
Stretch Cotton Jersey Strappy Mini Dress
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KarenMillen

Stretch Cotton Jersey Strappy Mini Dress

  • Occasion: Daywear
  • SleeveLength: Strappy
  • Style: Mini Dress
$69.00 $119.00
white color black color
favourite
Petite Garden Floral Viscose Georgette Satin Mix Maxi Dress
Petite
View
KarenMillen

Petite Garden Floral Viscose Georgette Satin Mix Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
$179.00 $719.00
favourite
Drama Halter Pleat Insert Woven Satin Maxi Dress
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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
favourite
Floral Crochet Woven Backless Maxi Beach Dress
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KarenMillen

Floral Crochet Woven Backless Maxi Beach Dress

  • Occasion: Daywear
  • Style: Beachwear
$299.00
favourite
Petite Premium Linen Pintuck Detail Full Skirted Tailored Midi Dress
Petite
View
KarenMillen

Petite Premium Linen Pintuck Detail Full Skirted Tailored Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • Style: Midi Dress
$119.00 $479.00
favourite
Tailored Crepe Tipped Tailored Mini Shirt Dress
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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
navy color ivory color
favourite
Cotton Linen Cornelli Embroidery Open Back Woven Midi Dress
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KarenMillen

Cotton Linen Cornelli Embroidery Open Back Woven Midi Dress

  • Design: Embroidered
  • Detail: Embroidered
  • Style: Midi Dress
$539.00
favourite
Petite Soft Tailored Colour Block Cape Detail Full Skirted Maxi Dress
Petite
View
KarenMillen

Petite Soft Tailored Colour Block Cape Detail Full Skirted Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$139.00 $579.00
light-pink color blush color
favourite
Tailored Denim Halter Neck Pencil Midi Dress
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KarenMillen

Tailored Denim Halter Neck Pencil Midi Dress

  • Fabric: Polyester
  • Length: Midi
  • Sleeve length: Sleeveless
$99.00 $399.00
ivory color indigo color
favourite
Compact Stretch High Neck Open Back Tailored Maxi Dress
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KarenMillen

Compact Stretch High Neck Open Back Tailored Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Sleeveless
$159.00 $399.00
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