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Maxi Prom Dresses

Elegant lengths are the epitome of the 2025 prom season, as demonstrated by the maxi prom dresses collection. Below, you’ll find floor-length iterations of maxi prom dresses, crafted from a series of premium textiles that spotlight our dedication to luxury craftsmanship. Think languid silk, elegant linen, flowing chiffon, and cascading organza materials that are contrasted by form-fitting textiles — such as knitted jersey, structured crêpe, woven jacquard, and the four-way support of our revered Compact Stretch. The black maxi prom dress appears alongside rich red colors, soft pastels, bold brights, refined neturals, and jewel tones aplenty. With puffed, angel, wide, draped, and asymmetric sleeves to consider, the long sleeve maxi prom dress edit has it all.
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favourite
Premium Embellished Caped Maxi Dress
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KarenMillen

Premium Embellished Caped Maxi Dress

  • Fabric: Woven
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$719.00
purple color black color
favourite
Forever Twill Woven Prom Maxi Skirt
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KarenMillen

Forever Twill Woven Prom Maxi Skirt

  • Detail: Belted
  • Fabric: Polyester
  • Length: Maxi
$179.00
red color mid-navy color ivory color black color jade color mint color lemon color navy color
favourite
Floral Tulle Balloon Sleeve Plunge Woven Maxi Dress
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KarenMillen

Floral Tulle Balloon Sleeve Plunge Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$309.00
favourite
Viscose Satin Crepe Woven Maxi Dress
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KarenMillen

Viscose Satin Crepe Woven Maxi Dress

  • Detail: Plain
  • Fabric: Viscose
  • Length: Maxi
$409.00
blue color sage color ivory color pale-blue color
favourite
Stripe Fabric Detail Fluid Halter Maxi Dress
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KarenMillen

Stripe Fabric Detail Fluid Halter Maxi Dress

  • Detail: Plain
  • Length: Maxi
  • Neckline: High Neck
$109.00 $309.00
red color black color cobalt 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
  • Length: Maxi
  • Style: Maxi Dress
$289.00
ivory color navy color
favourite
Crystal Applique Angel Sleeve Woven Maxi Dress
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KarenMillen

Crystal Applique Angel Sleeve Woven Maxi Dress

  • Fabric: Polyester
  • Length: Maxi
  • Style: Maxi Dress
$269.00 $879.00
mint color hot-pink color
favourite
Petite Twill Woven Prom Maxi Skirt
Petite
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KarenMillen

Petite Twill Woven Prom Maxi Skirt

  • Design: Plain
  • Fabric: Woven
  • Style: Maxi Skirt
$65.00 $179.00
teal color black color
favourite
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
$789.00
light-blue color cobalt color
favourite
Floral Print Crinkle Cross Front Georgette Woven Maxi Dress
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KarenMillen

Floral Print Crinkle Cross Front Georgette Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$99.00 $319.00
white color black color
favourite
Tulle Layered Long Sleeve Maxi Dress
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KarenMillen

Tulle Layered Long Sleeve Maxi Dress

  • Design: Plain
  • Fabric: Woven
  • Style: Maxi Dress
$109.00 $319.00
favourite
Tropical Beaded Strappy Back Woven Halter Maxi Dress
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KarenMillen

Tropical Beaded Strappy Back Woven Halter Maxi Dress

  • Design: Front & Back Placement
  • Detail: Embellished
  • Fabric: Woven
$239.00 $679.00
favourite
Blurred Floral Frill Tulle Maxi Dress
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KarenMillen

Blurred Floral Frill Tulle Maxi Dress

  • Design: Floral
  • Neckline: Round Neck
  • Style: Maxi Dress
$309.00
favourite
Compact Stretch Viscose Bandeau Maxi Dress
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KarenMillen

Compact Stretch Viscose Bandeau Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$149.00 $409.00
buttermilk color fuchsia color
favourite
Tulle Layered Halter Neck Maxi Dress
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KarenMillen

Tulle Layered Halter Neck Maxi Dress

  • Design: Plain
  • Neckline: Halterneck
  • Style: Maxi Dress
$269.00
black color khaki color
favourite
Floral Applique One Shoulder Woven Maxi Dress
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KarenMillen

Floral Applique One Shoulder Woven Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Sleeve length: Strappy
$849.00
black color blush color
favourite
Petite Lilly Print Twill Collared Maxi Dress
Petite
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KarenMillen

Petite Lilly Print Twill Collared Maxi Dress

  • Detail: Collar
  • Fabric: Woven
  • Style: Maxi Dress
$289.00
favourite
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
green color wine color black color
favourite
Placement Orchid Print Cold Shoulder Maxi Dress
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KarenMillen

Placement Orchid Print Cold Shoulder Maxi Dress

  • Neckline: Strappy
  • Sleeve length: Strappy
  • Style: Maxi Dress
$339.00
burgundy color green color
favourite
Crinkle Georgette Floral Print Halter Neck Woven Maxi Dress
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KarenMillen

Crinkle Georgette Floral Print Halter Neck Woven Maxi Dress

  • Design: Floral
  • Length: Maxi
  • Neckline: Halterneck
$409.00
favourite
Jersey Crepe Asymmetric Neckline Maxi Dress
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KarenMillen

Jersey Crepe Asymmetric Neckline Maxi Dress

  • Length: Maxi
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
$55.00 $179.00
mango color black color green color cobalt 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
$289.00
favourite
Premium Slinky Crepe Embellished Cut Out Maxi Dress
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KarenMillen

Premium Slinky Crepe Embellished Cut Out Maxi Dress

  • Design: Embellished
  • Fabric: Cotton
  • Style: Maxi Dress
$89.00 $249.00
favourite
Satin Viscose Trim Detail One Shoulder Maxi Dress
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KarenMillen

Satin Viscose Trim Detail One Shoulder Maxi Dress

  • Design: Plain
  • Detail: Plain
  • Length: Maxi
$109.00 $319.00
favourite
Pleated Maxi Dress
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KarenMillen

Pleated Maxi Dress

  • Design: Plain
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$109.00 $319.00
favourite
Beaded Cowl Detail Maxi Dress
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KarenMillen

Beaded Cowl Detail Maxi Dress

  • Detail: Plain
  • Fabric: Woven
  • Style: Maxi Dress
$589.00
favourite
Cutwork Embroidered Woven Maxi Dress With Pleated Godets
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KarenMillen

Cutwork Embroidered Woven Maxi Dress With Pleated Godets

  • Fabric: Woven
  • Length: Maxi
  • Neckline: Round Neck
$159.00 $449.00
fuchsia color chartreuse color
favourite
Hand Embellished Floral Halterneck Gown
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KarenMillen

Hand Embellished Floral Halterneck Gown

  • Detail: Embellished
  • Neckline: Halterneck
  • Style: Maxi Dress
$899.00
favourite
Pleated Skirt Detail Belted Maxi Dress
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KarenMillen

Pleated Skirt Detail Belted Maxi Dress

  • Design: Plain
  • Length: Maxi
  • Neckline: Halterneck
$109.00 $319.00
favourite
Viscose Satin Halter Neck Maxi Dress
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KarenMillen

Viscose Satin Halter Neck Maxi Dress

  • Design: Plain
  • Length: Maxi
  • Style: Maxi Dress
$269.00
chartreuse color orange color
favourite
Crinkle Cross Front Georgette Woven Maxi Dress
View
KarenMillen

Crinkle Cross Front Georgette Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$309.00
lemon color pink color
favourite
Pleated Slub Organdie Peplum Woven Maxi Dress
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KarenMillen

Pleated Slub Organdie Peplum Woven Maxi Dress

  • Detail: Pleated
  • Sleeve length: Strappy
  • Style: Maxi Dress
$359.00
favourite
Viscose Satin Floral Print Halter Neck Maxi Dress
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KarenMillen

Viscose Satin Floral Print Halter Neck Maxi Dress

  • Fabric: Woven
  • Neckline: Halterneck
  • Style: Maxi Dress
$319.00
favourite
Crystal Corset Maxi Dress
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KarenMillen

Crystal Corset Maxi Dress

  • Design: Embellished
  • Length: Maxi
  • Style: Maxi Dress
$649.00
blush color pale-blue color
favourite
Drapey Crepe Bodice Detail Split Maxi Dress
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KarenMillen

Drapey Crepe Bodice Detail Split Maxi Dress

  • Design: Plain
  • Neckline: Bandeau
  • Style: Maxi Dress
$89.00 $269.00
favourite
Scuba Drama Ruffle Hem Woven Maxi Dress
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KarenMillen

Scuba Drama Ruffle Hem Woven Maxi Dress

  • Design: Plain
  • Length: Maxi
  • Sleeve length: Sleeveless
$99.00 $289.00
purple color red color
favourite
Embellished Woven Maxi Dress With Cape Sleeve
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KarenMillen

Embellished Woven Maxi Dress With Cape Sleeve

  • Length: Maxi
  • Sleeve length: Cap Sleeve
  • Style: Maxi Dress
$829.00
black color silver color
favourite
Sleeveless Tulle Maxi Dress
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KarenMillen

Sleeveless Tulle Maxi Dress

  • Length: Maxi
  • Neckline: Halterneck
  • Style: Maxi Dress
$289.00
favourite
Fringed Beaded Halter Neck Woven Maxi Dress
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KarenMillen

Fringed Beaded Halter Neck Woven Maxi Dress

  • Design: Embroidered
  • Fabric: Polyester
  • Neckline: Halterneck
$789.00
gold color purple color
favourite
Blurred Floral Cross Detail Tulle Maxi Dress
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KarenMillen

Blurred Floral Cross Detail Tulle Maxi Dress

  • Design: Floral
  • Detail: Ruffle
  • Length: Maxi
$309.00
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