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Plus Size Prom Dresses

Showcasing a bespoke approach to size and fit, find your custom cut in the curation of plus size prom dresses. Informed by 2025’s leading trends, the plus size prom dresses of this edit appear in a series of luxury textiles to ensure your picks will last beyond the celebrations. Find your signature piece from scintillating satin, languid silk, elegant linen, flowing chiffon, and cascading organza materials. You’ll also find sculpting versions that are crafted from contouring textiles, including knitted jersey, structured crêpe, woven jacquard, and the four-way support of our revered Compact Stretch. Alongside the timeless reverence of our black plus size prom dresses, this edit boasts a color palette that will steal the spotlight — with soft pastel tones, refined neutrals, bold brights, and plenty of jewel hues to choose from. With a myriad of fits, the column bandeau cut is contrasted with sleeves for the plus size dresses for prom edit.
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favourite
Premium Crystal Embellished Midi Dress
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KarenMillen

Premium Crystal Embellished Midi Dress

  • Design: Plain
  • Length: Midi
  • Style: Midi Dress
$149.00 $409.00
cobalt color hot-pink color chocolate color green color
favourite
Fringed Beaded Halter Neck Woven Maxi Dress
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KarenMillen

Fringed Beaded Halter Neck Woven Maxi Dress

  • Detail: Plain
  • Length: Maxi
  • Sleeve length: Strappy
$789.00
gold color purple color
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Premium Embellished Caped Maxi Dress
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KarenMillen

Premium Embellished Caped Maxi Dress

  • Design: Fabric Interest
  • Fabric: Woven
  • Length: Maxi
$719.00
black color purple color
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Velvet Bardot Woven Prom Midaxi Dress With Taffeta Bow
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KarenMillen

Velvet Bardot Woven Prom Midaxi Dress With Taffeta Bow

  • Design: Plain
  • Length: Midaxi
  • Sleeve length: Sleeveless
$359.00
black color green color wine color
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Figure Form Bandage Knit Embellished Wide Sleeve Midi Dress
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KarenMillen

Figure Form Bandage Knit Embellished Wide Sleeve Midi Dress

  • Fabric: Polyester
  • Length: Midi
  • Neckline: Crew
$449.00
cobalt color ivory color red color
favourite
Embellished Taffeta Woven Shirt Dress
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KarenMillen

Embellished Taffeta Woven Shirt Dress

  • Design: Fabric Interest
  • Detail: Embellished
  • Length: Maxi
$649.00
wine color dark-green color
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Crystal Applique Angel Sleeve Woven Maxi Dress
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KarenMillen

Crystal Applique Angel Sleeve Woven Maxi Dress

  • Detail: Applique
  • Fabric: Polyester
  • Sleeve length: Short Sleeve
$879.00
sage color hot-pink color mint color
favourite
Polka Dot Tulle Layered Off The Shoulder Maxi Dress
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KarenMillen

Polka Dot Tulle Layered Off The Shoulder Maxi Dress

  • Fabric: Woven
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
$289.00
burgundy color navy color ivory color
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Tulle Layered Long Sleeve Maxi Dress
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KarenMillen

Tulle Layered Long Sleeve Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Neckline: V Neck
$129.00 $319.00
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Floral Tulle Balloon Sleeve Plunge Woven Maxi Dress
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KarenMillen

Floral Tulle Balloon Sleeve Plunge Woven Maxi Dress

  • Detail: Floral
  • Neckline: Plunge
  • Style: Maxi Dress
$309.00
favourite
Twill Prom Woven Midi Dress
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KarenMillen

Twill Prom Woven Midi Dress

  • Detail: Plain
  • Length: Midi
  • Sleeve length: Sleeveless
$249.00
ivory color sage color navy color
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Viscose Satin Crepe Woven Maxi Dress
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KarenMillen

Viscose Satin Crepe Woven Maxi Dress

  • Fabric: Viscose
  • Length: Maxi
  • Style: Maxi Dress
$169.00 $409.00
sage color pale-blue color blue color ivory color
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Bandage Figure Form Chiffon Sleeve Knit Dress
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KarenMillen

Bandage Figure Form Chiffon Sleeve Knit Dress

  • Neckline: Crew
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
$139.00 $269.00
purple color black color merlot color
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Fringed Beaded Halter Neck Woven Maxi Dress
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KarenMillen

Fringed Beaded Halter Neck Woven Maxi Dress

  • Design: Plain
  • Fabric: Woven
  • Style: Maxi Dress
$399.00 $789.00
cobalt color light-blue color
favourite
Compact Stretch Viscose Bandeau Maxi Dress
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KarenMillen

Compact Stretch Viscose Bandeau Maxi Dress

  • Design: Plain
  • Detail: Plain
  • Length: Maxi
$149.00 $409.00
buttermilk color fuchsia color
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Foil Metallic Figure Form Bandage Strappy Knit Maxi Dress
Tall
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KarenMillen

Foil Metallic Figure Form Bandage Strappy Knit Maxi Dress

  • Design: Plain
  • Fabric: Polyester
  • Length: Maxi
$149.00 $289.00
silver color gold color green color
favourite
Taffeta Ruffle Detail Midi Dress
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KarenMillen

Taffeta Ruffle Detail Midi Dress

  • Detail: Ruffle
  • Fabric: Woven
  • Sleeve length: Sleeveless
$159.00 $319.00
merlot color navy color
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Scuba Drama Ruffle Hem Woven Maxi Dress
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KarenMillen

Scuba Drama Ruffle Hem Woven Maxi Dress

  • Fabric: Scuba
  • Neckline: Crew
  • Style: Maxi Dress
$289.00
red color purple color
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Drapey Crepe Off The Shoulder Ruched Detail Fishtail Maxi Dress
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KarenMillen

Drapey Crepe Off The Shoulder Ruched Detail Fishtail Maxi Dress

  • Design: Plain
  • Detail: Ruched
  • Sleeve length: Long Sleeve
$269.00
navy color dark-red color lemon color
favourite
Foil Metallic Figure Form Bandage Angel Sleeve Knit Maxi Dress
Tall
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KarenMillen

Foil Metallic Figure Form Bandage Angel Sleeve Knit Maxi Dress

  • Fabric: Polyester
  • Neckline: V Neck
  • Sleeve length: Sleeveless
$289.00
chocolate color red color cobalt color magenta color
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Pleated Maxi Dress
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KarenMillen

Pleated Maxi Dress

  • Design: Plain
  • Detail: Plain
  • Style: Maxi Dress
$129.00 $319.00
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Satin Viscose Trim Detail One Shoulder Maxi Dress
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KarenMillen

Satin Viscose Trim Detail One Shoulder Maxi Dress

  • Design: Plain
  • Length: Maxi
  • Neckline: One Shoulder
$129.00 $319.00
favourite
Puff Sleeve Metallic Textured Midi Dress
Tall
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KarenMillen

Puff Sleeve Metallic Textured Midi Dress

  • Design: Metallic
  • Detail: Plain
  • Style: Midi Dress
$229.00
lilac color ivory color
favourite
Blurred Floral Frill Tulle Maxi Dress
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KarenMillen

Blurred Floral Frill Tulle Maxi Dress

  • Design: Floral
  • Detail: Floral
  • Length: Maxi
$149.00 $309.00
favourite
Tulle Layered Halter Neck Maxi Dress
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KarenMillen

Tulle Layered Halter Neck Maxi Dress

  • Detail: Printed
  • Neckline: Halterneck
  • Style: Maxi Dress
$139.00 $289.00
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Premium Slinky Crepe Embellished Cut Out Maxi Dress
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KarenMillen

Premium Slinky Crepe Embellished Cut Out Maxi Dress

  • Design: Embellished
  • Length: Maxi
  • Neckline: Asymmetric
$99.00 $249.00
favourite
Crystal Corset Maxi Dress
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KarenMillen

Crystal Corset Maxi Dress

  • Design: Embellished
  • Sleeve length: Strappy
  • Style: Maxi Dress
$329.00 $649.00
blush color pale-blue color
favourite
Crinkle Cross Front Georgette Woven Maxi Dress
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KarenMillen

Crinkle Cross Front Georgette Woven Maxi Dress

  • Fabric: Polyester
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$309.00
coral color pink color pale-blue color lemon color
favourite
Floral Applique One Shoulder Woven Maxi Dress
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KarenMillen

Floral Applique One Shoulder Woven Maxi Dress

  • Design: Plain
  • Fabric: Woven
  • Neckline: One Shoulder
$299.00 $849.00
blush color black color
favourite
Studded Ponte Jersey Midi Dress
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KarenMillen

Studded Ponte Jersey Midi Dress

  • Design: Plain
  • Length: Midi
  • Sleeve length: Sleeveless
$119.00 $229.00
navy color chocolate color
favourite
Crystal Halterneck Satin Maxi Gown
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KarenMillen

Crystal Halterneck Satin Maxi Gown

  • Design: Plain
  • Fabric: Woven
  • Style: Maxi Dress
$539.00
black color red color
favourite
Studded Ponte Jersey Midi Dress
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KarenMillen

Studded Ponte Jersey Midi Dress

  • Design: Fabric Interest
  • Fabric: Jersey
  • Neckline: Crew
$79.00 $229.00
pink color green color
favourite
Crystal Embellished Cowl Back Maxi Dress
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KarenMillen

Crystal Embellished Cowl Back Maxi Dress

  • Design: Embellished
  • Detail: Plain
  • Style: Maxi Dress
$189.00 $469.00
favourite
Crystal Embellished Woven Split Maxi Dress
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KarenMillen

Crystal Embellished Woven Split Maxi Dress

  • Design: Embellished
  • Length: Maxi
  • Style: Maxi Dress
$169.00 $409.00
favourite
Stretch Velvet Crew Neck Cape Shoulder Maxi Dress
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KarenMillen

Stretch Velvet Crew Neck Cape Shoulder Maxi Dress

  • Design: Plain
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$339.00
emerald color navy color
favourite
Drapey Crepe V Neck Back Sleeved Maxi Dress
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KarenMillen

Drapey Crepe V Neck Back Sleeved Maxi Dress

  • Design: Plain
  • Detail: Plain
  • Style: Maxi Dress
$129.00 $249.00
black color silver color burgundy color
favourite
Pleated Skirt Detail Belted Maxi Dress
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KarenMillen

Pleated Skirt Detail Belted Maxi Dress

  • Neckline: Halterneck
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$109.00 $319.00
favourite
Polka Dot Tulle Plunge Balloon Sleeve Maxi Dress
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KarenMillen

Polka Dot Tulle Plunge Balloon Sleeve Maxi Dress

  • Design: Polka dot
  • Detail: All Over Print
  • Length: Maxi
$109.00 $309.00
favourite
Pleated Beaded Detail Balloon Sleeve Maxi Dress
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KarenMillen

Pleated Beaded Detail Balloon Sleeve Maxi Dress

  • Detail: Plain
  • Neckline: Round Neck
  • Style: Maxi Dress
$319.00
blue color red color
favourite
Feather Figure Form Bandage Knit Maxi Dress
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KarenMillen

Feather Figure Form Bandage Knit Maxi Dress

  • Design: Plain
  • Neckline: One Shoulder
  • Style: Maxi Dress
$99.00 $289.00
ivory color pale-blue color
Showing 40 of 356
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