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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
Kimono Sleeve Embellished Maxi Dress
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KarenMillen

Kimono Sleeve Embellished Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$209.00 $599.00
blue color rust 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
$399.00
pale-blue color pink color
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
$129.00 $359.00
green color 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
$459.00
black color coral color
favourite
Printed Metallic Viscose Georgette Thread Halter Woven Mini Dress
Tall
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KarenMillen

Printed Metallic Viscose Georgette Thread Halter Woven Mini Dress

  • Length: Mini
  • Sleeve length: Sleeveless
  • Style: Mini Dress
$79.00 $259.00
favourite
Pleated Floral Cape Sleeve Low Back Woven Maxi Dress
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KarenMillen

Pleated Floral Cape Sleeve Low Back Woven Maxi Dress

  • Length: Maxi
  • SleeveLength: Short Sleeve
  • Style: Maxi Dress
$109.00 $319.00
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
Metallic Embellished And Beaded Halter Maxi Dress
Tall
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KarenMillen

Metallic Embellished And Beaded Halter Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
$299.00 $859.00
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
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$299.00 $999.00
pale-blue color ivory color
favourite
Applique Organdie Floral Graphic Woven Maxi Dress
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KarenMillen

Applique Organdie Floral Graphic Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$219.00 $739.00
yellow color coral color
favourite
Archive Graphic Print Open Back Fish Tail Maxi Dress
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KarenMillen

Archive Graphic Print Open Back Fish Tail Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$149.00 $299.00
favourite
Tailored Structured Crepe Turtleneck Pencil Midi Dress
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KarenMillen

Tailored Structured Crepe Turtleneck Pencil Midi Dress

  • Length: Midi
  • SleeveLength: Sleeveless
  • Style: Midi Dress
$139.00 $399.00
camel color ivory color
favourite
Figure Form Bandage Ruffle Hem Halter Knit Midi Dress
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KarenMillen

Figure Form Bandage Ruffle Hem Halter Knit Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Knitted Dress
$239.00
ivory color black color magenta color
favourite
Slinky Backless Knitted Dress With Hardware Detail
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KarenMillen

Slinky Backless Knitted Dress With Hardware Detail

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Sleeveless
$89.00 $259.00
caramel color black color
favourite
Petal Applique Embellished Eyelet Rosette Maxi Dress
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KarenMillen

Petal Applique Embellished Eyelet Rosette Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$239.00 $799.00
white color orange color
favourite
Scuba Drama Ruffle Hem Woven Maxi Dress
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KarenMillen

Scuba Drama Ruffle Hem Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$339.00
red color navy color mango color
favourite
Denim & Faux Leather Tipping Sleeveless Midi Dress
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KarenMillen

Denim & Faux Leather Tipping Sleeveless Midi Dress

  • Occasion: Daywear
  • SleeveLength: Sleeveless
  • Style: Midi Dress
$89.00 $259.00
light-blue color ivory color
favourite
Applique And Lace Georgette Sleeveless Woven Midi Dress
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KarenMillen

Applique And Lace Georgette Sleeveless Woven Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midaxi Dress
$189.00 $639.00
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
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
Satin Applique Woven Maxi Dress
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KarenMillen

Satin Applique Woven Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
$139.00 $459.00
cornflower-blue color pink color
favourite
Figure Form Bandage Knit Rosette Detail Midi Dress
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KarenMillen

Figure Form Bandage Knit Rosette Detail Midi Dress

  • Occasion: Occasion
  • SleeveLength: Short Sleeve
  • Style: Knitted Dress
$299.00
black color blush color
favourite
Floral Applique Organdie Woven Halter Neck Maxi Dress
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KarenMillen

Floral Applique Organdie Woven Halter Neck Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$199.00 $559.00
favourite
Cotton With Lace Trim Insert Woven Long Sleeve Midi Dress
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KarenMillen

Cotton With Lace Trim Insert Woven Long Sleeve Midi Dress

  • Length: Midi
  • Occasion: Daywear
  • Style: Midi Dress
$139.00 $239.00
favourite
Embroidered Cotton Linen Woven Halter Dress
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KarenMillen

Embroidered Cotton Linen Woven Halter Dress

  • Length: Maxi
  • Occasion: Daywear
  • SleeveLength: Sleeveless
$189.00 $639.00
mono color orange color
favourite
Pleated Floral Cape Sleeve Low Back Maxi Dress
View
KarenMillen

Pleated Floral Cape Sleeve Low Back Maxi Dress

  • Length: Maxi
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
$109.00 $319.00
favourite
Ombre Mesh Plunge Halter Neck Midi Dress
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KarenMillen

Ombre Mesh Plunge Halter Neck Midi Dress

  • Occasion: Occasion
  • SleeveLength: Sleeveless
  • Style: Midi Dress
$79.00 $199.00
favourite
Amelia Graham Burnout Lace Up Detail Woven Column Dress
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KarenMillen

Amelia Graham Burnout Lace Up Detail Woven Column Dress

  • Length: Midi
  • Occasion: Occasion
  • Style: Midi Dress
$109.00 $379.00
favourite
Archive Collection - Cotton Poplin Balloon Sleeve Corset Woven Maxi Dress
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KarenMillen

Archive Collection - Cotton Poplin Balloon Sleeve Corset Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$179.00 $439.00
favourite
Compact Stretch Open Back Full Skirted Tailored Midi Dress
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KarenMillen

Compact Stretch Open Back Full Skirted Tailored Midi Dress

  • Occasion: Daywear
  • SleeveLength: Sleeveless
  • Style: Midi Dress
$149.00 $499.00
ivory color navy color black color
favourite
Stripe Cotton Rosette Woven Shirt Maxi Dress
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KarenMillen

Stripe Cotton Rosette Woven Shirt Maxi Dress

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
$299.00
favourite
Lace With Velvet Detail Open Back Maxi Dress
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KarenMillen

Lace With Velvet Detail Open Back Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
$299.00
favourite
Applique And Beaded Linen Woven Midi Dress With Tie Back Detail
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KarenMillen

Applique And Beaded Linen Woven Midi Dress With Tie Back Detail

  • Occasion: Occasion
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
$199.00 $559.00
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
$119.00 $239.00
favourite
Applique And Lace Georgette Sleeveless Woven Maxi Dress
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KarenMillen

Applique And Lace Georgette Sleeveless Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Midaxi Dress
$189.00 $639.00
favourite
Soft Tailored Color Block Cape Detail Full Skirted Maxi Dress
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KarenMillen

Soft Tailored Color Block Cape Detail Full Skirted Maxi Dress

  • Length: Maxi
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
$169.00 $579.00
blush color cobalt color
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
$89.00 $299.00
favourite
Petite Scuba Drama Ruffle Hem Woven Maxi Dress
Petite
View
KarenMillen

Petite Scuba Drama Ruffle Hem Woven Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
$339.00
favourite
Drapey Crepe Jersey Maxi Dress
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KarenMillen

Drapey Crepe Jersey Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$69.00 $239.00
lilac color lemon color navy color
favourite
Ruffle & Applique Racer Front Viscose Woven Maxi Dress
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KarenMillen

Ruffle & Applique Racer Front Viscose Woven Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Strappy
$159.00 $519.00
Showing 40 of 155
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