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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
£259.00
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
£130.00 £259.00
favourite
Mono Geo Silk Cotton Woven Strappy Dress
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KarenMillen

Mono Geo Silk Cotton Woven Strappy Dress

  • Length: Maxi
  • Neckline: Sweetheart
  • Style: Maxi Dress
£69.00 £229.00
favourite
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
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

  • Detail: Lace
  • Length: Maxi
  • Style: Maxi Dress
£45.00 £149.00
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
£137.00 £229.00
favourite
Mono Geo Silk Cotton Woven Shirt Dress
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KarenMillen

Mono Geo Silk Cotton Woven Shirt Dress

  • Fabric: Cotton
  • Length: Maxi
  • Style: Maxi Dress
£96.00 £239.00
favourite
Twist Detail Studded Jersey Maxi Dress
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KarenMillen

Twist Detail Studded Jersey Maxi Dress

  • Design: Plain
  • Detail: Studded
  • Length: Maxi
£179.00
olive color light-blue color
favourite
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
£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
£56.00 £139.00
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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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
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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

  • Length: Maxi
  • Neckline: Halterneck
  • Sleeve length: Sleeveless
£54.00 £179.00
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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
Soft Pleated Woven Kimono Sleeve Maxi Dress
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KarenMillen

Soft Pleated Woven Kimono Sleeve Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£56.00 £139.00
favourite
Embellished Ombre Floral Pleated Woven Bandeau Maxi Dress
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KarenMillen

Embellished Ombre Floral Pleated Woven Bandeau Maxi Dress

  • Length: Maxi
  • Neckline: Bandeau
  • Sleeve length: Sleeveless
£179.00 £299.00
favourite
Viscose Georgette Rosette Ruffle Halterneck Maxi Dress
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KarenMillen

Viscose Georgette Rosette Ruffle Halterneck Maxi Dress

  • Detail: Ruffle
  • Fabric: Woven
  • Style: Maxi Dress
£189.00
ivory color red color
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
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
£96.00 £239.00
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
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
Petite Hotfix Studded Long Sleeve Shirt Woven Maxi Dress
Petite
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KarenMillen

Petite Hotfix Studded Long Sleeve Shirt Woven Maxi Dress

  • Detail: Embellished
  • Fabric: Woven
  • Sleeve length: Long Sleeve
£56.00 £189.00
favourite
Taffeta Check Bow Detail Tailored Maxi Dress
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KarenMillen

Taffeta Check Bow Detail Tailored Maxi Dress

  • Detail: Bow
  • Fabric: Polyester
  • Sleeve length: Sleeveless
£81.00 £269.00
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
  • Fabric: Viscose
  • Neckline: Halterneck
£105.00 £349.00
favourite
Cutwork Beaded Embroidered Woven Maxi Dress
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KarenMillen

Cutwork Beaded Embroidered Woven Maxi Dress

  • Detail: Embroidered
  • Length: Maxi
  • Sleeve length: Long Sleeve
£148.00 £369.00
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Compact Stretch Belted Peplum Tailored Maxi Dress
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KarenMillen

Compact Stretch Belted Peplum Tailored Maxi Dress

  • Design: Plain
  • Fabric: Polyester
  • Length: Maxi
£57.00 £229.00
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
  • Detail: Plain
  • Sleeve length: Strappy
£69.00 £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

  • Detail: Plain
  • Length: Maxi
  • Sleeve length: Sleeveless
£81.00 £269.00
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
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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
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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
Bandage Figure Form Chiffon Sleeve Knit Dress
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KarenMillen

Bandage Figure Form Chiffon Sleeve Knit Dress

  • Fabric: Polyester
  • Neckline: Crew
  • Sleeve length: Short Sleeve
£149.00
favourite
Floral Applique Lace Pleated Strappy Maxi Dress
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KarenMillen

Floral Applique Lace Pleated Strappy Maxi Dress

  • Fabric: Polyester
  • Length: Maxi
  • Neckline: Sweetheart
£87.00 £289.00
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
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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
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Jacquard Maxi Tailored Dress
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KarenMillen

Jacquard Maxi Tailored Dress

  • Design: Jacquard
  • Fabric: Polyester
  • Sleeve length: Strappy
£199.00
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Premium Lace Tailored Pencil Maxi Dress
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KarenMillen

Premium Lace Tailored Pencil Maxi Dress

  • Detail: Lace
  • Length: Maxi
  • Style: Maxi Dress
£69.00 £229.00
red color black color
favourite
Crinkle Cross Front Georgette Woven Maxi Dress
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KarenMillen

Crinkle Cross Front Georgette Woven Maxi Dress

  • Detail: Crinkle
  • Fabric: Polyester
  • Neckline: Halterneck
£169.00
lemon color pink color
favourite
Frill Detail Viscose Maxi Dress
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KarenMillen

Frill Detail Viscose Maxi Dress

  • Detail: Frill
  • Sleeve length: Strappy
  • Style: Maxi Dress
£279.00
Showing 40 of 521
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