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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
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
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
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 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
Chiffon Floral Print Strappy Woven Maxi Dress
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KarenMillen

Chiffon Floral Print Strappy Woven Maxi Dress

  • Design: Placement Print
  • Detail: Placement Print
  • Style: Maxi Dress
$319.00
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
$139.00 $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
Floral Twill Collared Maxi Dress
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KarenMillen

Floral Twill Collared Maxi Dress

  • Detail: Collar
  • Fabric: Woven
  • Style: Maxi Dress
$159.00 $319.00
favourite
Crinkle Georgette Floral Print Halter Neck Woven Maxi Dress
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KarenMillen

Crinkle Georgette Floral Print Halter Neck Woven Maxi Dress

  • Detail: Crinkle
  • Length: Maxi
  • Neckline: Halterneck
$409.00
favourite
Forever Twill Woven Prom Maxi Skirt
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KarenMillen

Forever Twill Woven Prom Maxi Skirt

  • Design: Plain
  • Detail: Belted
  • Fabric: Polyester
$179.00
red color mid-navy color ivory color navy color black color jade color mint color lemon color
favourite
Petite Lilly Pleated Yoryu Crinkle Maxi Dress
Petite
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KarenMillen

Petite Lilly Pleated Yoryu Crinkle Maxi Dress

  • Detail: Pleated
  • Neckline: One Shoulder
  • Style: Maxi Dress
$339.00
favourite
Tulle Layered Long Sleeve Maxi Dress
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KarenMillen

Tulle Layered Long Sleeve Maxi Dress

  • Design: Plain
  • Fabric: Woven
  • Sleeve length: Long Sleeve
$159.00 $319.00
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
$209.00 $409.00
buttermilk color fuchsia color
favourite
Textured Rosette Prom Maxi Dress
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KarenMillen

Textured Rosette Prom Maxi Dress

  • Design: Textured
  • Length: Maxi
  • Neckline: Bandeau
$149.00 $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
Blurred Orchid Twill Collared Maxi Dress
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KarenMillen

Blurred Orchid Twill Collared Maxi Dress

  • Design: All Over Print
  • Detail: All Over Print
  • Style: Maxi Dress
$149.00 $289.00
favourite
Viscose Satin Crepe Woven Maxi Dress
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KarenMillen

Viscose Satin Crepe Woven Maxi Dress

  • Fabric: Viscose
  • Neckline: Crew
  • Sleeve length: Short Sleeve
$209.00 $409.00
ivory color sage color pale-blue color
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
$309.00
lemon color pink color
favourite
Petite Viscose Linen Floral Print Woven Prom Dress
Petite
View
KarenMillen

Petite Viscose Linen Floral Print Woven Prom Dress

  • Fabric: Woven
  • Neckline: Square
  • Sleeve length: Strappy
$399.00
favourite
Embellished One Shoulder Printed Maxi Dress
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KarenMillen

Embellished One Shoulder Printed Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Neckline: One Shoulder
$539.00
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
$89.00 $179.00
green color mango color black color cobalt color ivory color red 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
$419.00 $849.00
favourite
Burnout Embellished And Beaded Open Back Woven Maxi Dress
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KarenMillen

Burnout Embellished And Beaded Open Back Woven Maxi Dress

  • Detail: Embellished
  • Fabric: Polyester
  • Sleeve length: Strappy
$219.00 $719.00
fuchsia color aqua color
favourite
Beaded Embellished Full Maxi Dress
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KarenMillen

Beaded Embellished Full Maxi Dress

  • Neckline: V Neck
  • Sleeve length: Strappy
  • Style: Maxi Dress
$239.00 $469.00
favourite
Pleated Skirt Detail Belted Maxi Dress
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KarenMillen

Pleated Skirt Detail Belted Maxi Dress

  • Detail: Plain
  • Neckline: Halterneck
  • Sleeve length: Sleeveless
$159.00 $319.00
favourite
Viscose Linen Tie Strap Woven Prom Dress
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KarenMillen

Viscose Linen Tie Strap Woven Prom Dress

  • Design: Plain
  • Fabric: Woven
  • Length: Maxi
$179.00 $359.00
red color hot-pink color
favourite
Printed Metallic Floral Woven Maxi Dress
Tall
View
KarenMillen

Printed Metallic Floral Woven Maxi Dress

  • Neckline: High Neck
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$309.00
favourite
Marble Print Mesh Plunge Strappy Detail Maxi Dress
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KarenMillen

Marble Print Mesh Plunge Strappy Detail Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Strappy
$99.00 $199.00
favourite
Fringed Asymmetric Beaded Woven Maxi Dress
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KarenMillen

Fringed Asymmetric Beaded Woven Maxi Dress

  • Detail: Fringed
  • Fabric: Woven
  • Neckline: High Neck
$359.00 $719.00
ivory color teal color
favourite
Liquid Metallic Split Woven Maxi Dress
Tall
View
KarenMillen

Liquid Metallic Split Woven Maxi Dress

  • Design: Metallic
  • Length: Maxi
  • Neckline: Crew
$89.00 $289.00
pink color khaki color
favourite
Crystal Applique Angel Sleeve Woven Maxi Dress
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KarenMillen

Crystal Applique Angel Sleeve Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
$259.00 $879.00
favourite
Floral Print Viscose Satin Crepe Woven Maxi Dress
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KarenMillen

Floral Print Viscose Satin Crepe Woven Maxi Dress

  • Detail: Plain
  • Length: Maxi
  • Style: Maxi Dress
$169.00 $429.00
favourite
Viscose Linen Floral Print Woven Prom Dress
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KarenMillen

Viscose Linen Floral Print Woven Prom Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
$399.00
favourite
Linen Geo Print Woven Maxi Prom Dress
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KarenMillen

Linen Geo Print Woven Maxi Prom Dress

  • Design: Plain
  • Detail: Plain
  • Neckline: Strappy
$159.00 $319.00
favourite
Embellished Ombre Floral Pleated Woven Bandeau Maxi Dress
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KarenMillen

Embellished Ombre Floral Pleated Woven Bandeau Maxi Dress

  • Design: Embellished
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
$269.00 $539.00
favourite
Chiffon Floral Print Halter Neck Woven Maxi Dress
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KarenMillen

Chiffon Floral Print Halter Neck Woven Maxi Dress

  • Detail: Placement Print
  • Length: Maxi
  • Neckline: Halterneck
$289.00
favourite
Georgette Cape Sleeve Ruffle Floral Print Woven Maxi Dress
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KarenMillen

Georgette Cape Sleeve Ruffle Floral Print Woven Maxi Dress

  • Neckline: Crew
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
$399.00
favourite
Digital Ophelia Ombre Beaded Strapless Woven Maxi Dress
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KarenMillen

Digital Ophelia Ombre Beaded Strapless Woven Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
$299.00 $1009.00
blush color green color
favourite
Kimono Sleeve Embellished Maxi Dress
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KarenMillen

Kimono Sleeve Embellished Maxi Dress

  • Detail: Embellished
  • Length: Maxi
  • Style: Maxi Dress
$159.00 $539.00
favourite
Drapey Crepe Bandeau Split Maxi Dress
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KarenMillen

Drapey Crepe Bandeau Split Maxi Dress

  • Length: Maxi
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
$139.00 $269.00
chocolate color stone color
Showing 40 of 421
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