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Maxi Occasion Dresses

Make a statement at any celebration with our collection of maxi occasion dresses, designed to combine timeless sophistication with modern allure. Flowing silhouettes create effortless movement, while luxurious fabrics such as chiffon, satin, crepe, and lace ensure a polished finish. From softly draped styles to structured floor-length gowns, each design elevates every event, from weddings and gala dinners to evening parties. Our long occasion dresses offer versatility in colour, from soft pastels to bold jewel tones, making every look feel memorable. Explore our collection below.
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favourite
Floral Embroidered Organza Bandeau Dress
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KarenMillen

Floral Embroidered Organza Bandeau Dress

  • Detail: Floral
  • Neckline: Bandeau
  • Sleeve length: Sleeveless
£220.15 £259.00
favourite
Hammered Satin With Lace Trim Long Sleeve Hanky Hem Dress
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KarenMillen

Hammered Satin With Lace Trim Long Sleeve Hanky Hem Dress

  • Length: Maxi
  • Neckline: Round Neck
  • Style: Maxi Dress
£74.00 £149.00
favourite
Plus Size Crystal Embellished Scuba Crepe Bandeau Midi Dress
Plus
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KarenMillen

Plus Size Crystal Embellished Scuba Crepe Bandeau Midi Dress

  • Detail: Mesh
  • Length: Maxi
  • Sleeve length: Long Sleeve
£194.00 £389.00
favourite
Crystal Embellished Scuba Crepe Bandeau Midi Dress
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KarenMillen

Crystal Embellished Scuba Crepe Bandeau Midi Dress

  • Design: Plain
  • Neckline: Scoop
  • Sleeve length: Long Sleeve
£117.00 £389.00
favourite
Floral Embroidered Organza Bandeau Dress
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KarenMillen

Floral Embroidered Organza Bandeau Dress

  • Design: Floral
  • Fabric: Woven
  • Sleeve length: Sleeveless
£207.20 £259.00
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Embellished Taffeta Woven Shirt Dress
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KarenMillen

Embellished Taffeta Woven Shirt Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Shirt Dress
£179.00 £359.00
favourite
Mono Geo Silk Cotton Woven Strappy Dress
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KarenMillen

Mono Geo Silk Cotton Woven Strappy Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£114.00 £229.00
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Crystal Embellished Woven Drape Detail Maxi Dress
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KarenMillen

Crystal Embellished Woven Drape Detail Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Style: Maxi Dress
£152.00 £379.00
favourite
Jacquard Twill Orange Floral Print Corseted Woven Maxi Dress
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KarenMillen

Jacquard Twill Orange Floral Print Corseted Woven Maxi Dress

  • Design: Blur
  • Fabric: Woven
  • Style: Maxi Dress
£183.20 £229.00
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Stripe Cotton Mix Woven Maxi Halter Dress
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KarenMillen

Stripe Cotton Mix Woven Maxi Halter Dress

  • Detail: Plain
  • Neckline: Halterneck
  • Sleeve length: Sleeveless
£135.20 £169.00
multi color mono color
favourite
Strappy Pleated Maxi Dress
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KarenMillen

Strappy Pleated Maxi Dress

  • Design: Plain
  • Detail: Plain
  • Fabric: Woven
£69.00 £139.00
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Petite Sheer Viscose Georgette Sketchy Floral Deep V Woven Halter Neck Dress
Petite
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KarenMillen

Petite Sheer Viscose Georgette Sketchy Floral Deep V Woven Halter Neck Dress

  • Design: Floral
  • Detail: Plain
  • Fabric: Viscose
£54.00 £179.00
favourite
Scattered Floral Twill Collared Woven Maxi Dress
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KarenMillen

Scattered Floral Twill Collared Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Dress
£135.20 £169.00
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Twist Detail Studded Jersey Maxi Dress
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KarenMillen

Twist Detail Studded Jersey Maxi Dress

  • Design: Plain
  • Detail: Studded
  • Length: Maxi
£143.20 £179.00
olive color light-blue color
favourite
Floral Print Frill Detail Viscose Maxi Dress
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KarenMillen

Floral Print Frill Detail Viscose Maxi Dress

  • Design: All Over Print
  • Length: Maxi
  • Style: Maxi Dress
£299.00
favourite
Soft Tailored Waterfall Halter Maxi Dress
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KarenMillen

Soft Tailored Waterfall Halter Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Sleeve length: Sleeveless
£159.19 £199.00
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Taffeta Check Bow Detail Tailored Maxi Dress
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KarenMillen

Taffeta Check Bow Detail Tailored Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£81.00 £269.00
favourite
Soft Pleated Woven Kimono Sleeve Maxi Dress
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KarenMillen

Soft Pleated Woven Kimono Sleeve Maxi Dress

  • Design: Plain
  • Detail: Pleated
  • Fabric: Woven
£69.00 £139.00
favourite
Structured Crepe Storm Flap Column Maxi Dress
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KarenMillen

Structured Crepe Storm Flap Column Maxi Dress

  • Detail: Belted
  • Fabric: Woven
  • Length: Maxi
£69.00 £229.00
favourite
Linen Woven Strappy Maxi Dress
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KarenMillen

Linen Woven Strappy Maxi Dress

  • Detail: Plain
  • Neckline: Strappy
  • Sleeve length: Strappy
£85.00 £169.00
favourite
Diamante Trim Rose Woven Maxi Dress
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KarenMillen

Diamante Trim Rose Woven Maxi Dress

  • Fabric: Woven
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£57.00 £229.00
favourite
Lace Applique Contrast Corseted Tailored Maxi Dress
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KarenMillen

Lace Applique Contrast Corseted Tailored Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Strappy
  • Style: Tailored Dress
£80.00 £319.00
favourite
Garden Floral Viscose Georgette Satin Mix Slip Maxi Dress
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KarenMillen

Garden Floral Viscose Georgette Satin Mix Slip Maxi Dress

  • Design: All Over Print
  • Length: Maxi
  • Style: Maxi Dress
£105.00 £349.00
favourite
Sheer Viscose Georgette Sketchy Floral Deep V Woven Halter Neck Dress
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KarenMillen

Sheer Viscose Georgette Sketchy Floral Deep V Woven Halter Neck Dress

  • Detail: Plain
  • Length: Maxi
  • Neckline: Halterneck
£50.00 £199.00
favourite
Mono Geo Silk Cotton Woven Shirt Dress
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KarenMillen

Mono Geo Silk Cotton Woven Shirt Dress

  • Design: Patterned
  • Detail: Plain
  • Style: Maxi Dress
£119.00 £239.00
favourite
Petite Twist Detail Studded Jersey Maxi Dress
Petite
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KarenMillen

Petite Twist Detail Studded Jersey Maxi Dress

  • Fabric: Jersey
  • Length: Maxi
  • Style: Maxi Dress
£143.20 £179.00
favourite
Floral Print Viscose Satin Crepe Woven Midi Dress
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KarenMillen

Floral Print Viscose Satin Crepe Woven Midi Dress

  • Detail: Plain
  • Fabric: Viscose
  • Sleeve length: Long Sleeve
£119.00 £239.00
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Placed Floral Embroidered Mesh Woven Belted Maxi Dress
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KarenMillen

Placed Floral Embroidered Mesh Woven Belted Maxi Dress

  • Design: Embroidered
  • Fabric: Polyester
  • Length: Maxi
£116.00 £289.00
favourite
Compact Stretch Jacquard Insert Split Front Midaxi Dress
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KarenMillen

Compact Stretch Jacquard Insert Split Front Midaxi Dress

  • Fabric: Polyester
  • Neckline: V Neck
  • Style: Midaxi Dress
£60.00 £199.00
black color ivory color
favourite
Compact Stretch Belted Peplum Tailored Maxi Dress
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KarenMillen

Compact Stretch Belted Peplum Tailored Maxi Dress

  • Design: Plain
  • Fabric: Polyester
  • Sleeve length: Cap Sleeve
£57.00 £229.00
favourite
Satin Applique Woven Maxi Dress
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KarenMillen

Satin Applique Woven Maxi Dress

  • Design: Floral
  • Neckline: Strappy
  • Sleeve length: Strappy
£69.00 £229.00
favourite
Petite Crystal Embellished Cady Woven Cape Maxi Dress
Petite
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KarenMillen

Petite Crystal Embellished Cady Woven Cape Maxi Dress

  • Design: Plain
  • Detail: Embellished
  • Length: Maxi
£180.00 £599.00
favourite
Cutwork Beaded Embroidered Woven Maxi Dress
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KarenMillen

Cutwork Beaded Embroidered Woven Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Neckline: Round Neck
£185.00 £369.00
favourite
Petite Mono Geo Silk Cotton Woven Strappy Dress
Petite
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KarenMillen

Petite Mono Geo Silk Cotton Woven Strappy Dress

  • Design: Patterned
  • Neckline: Sweetheart
  • Sleeve length: Strappy
£114.00 £229.00
favourite
Amelia Graham Burnout Split Woven Prom Strappy Maxi Dress
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KarenMillen

Amelia Graham Burnout Split Woven Prom Strappy Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
£81.00 £269.00
favourite
Thigh High Split Embellished Woven Fringed Midi Dress
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KarenMillen

Thigh High Split Embellished Woven Fringed Midi Dress

  • Design: Embroidered
  • Fabric: Woven
  • Sleeve length: Long Sleeve
£141.00 £469.00
favourite
Crystal Corset Maxi Dress
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KarenMillen

Crystal Corset Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Style: Maxi Dress
£359.00
blush color pale-blue color
favourite
Plus Size Floral Woven Shirt Dress
Plus
View
KarenMillen

Plus Size Floral Woven Shirt Dress

  • Design: Patterned
  • Fabric: Cotton
  • Style: Maxi Dress
£119.00 £239.00
favourite
Premium Stretch Crepe Jersey Maxi Dress
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KarenMillen

Premium Stretch Crepe Jersey Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Sleeveless
£51.00 £169.00
raspberry color mango color
favourite
Premium Mirrored Crystal Embellished Woven Long Sleeve Column Dress
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KarenMillen

Premium Mirrored Crystal Embellished Woven Long Sleeve Column Dress

  • Fabric: Woven
  • Length: Maxi
  • Neckline: Crew
£132.00 £439.00
Showing 40 of 537
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