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Long Party Dresses

The elegant appeal of the maxi dress is updated with after-dark drama to create this modern edit of long party dresses. Below, you’ll find a series of elongated silhouettes that are crafted from premium textiles that appear in a palette of party-ready tones — think bold brights, refined neutrals, sleek monochromatics, considered pastels, and zesty citrus. With a series of necklines (scoop, bandeau, asymmetric, square, straight, and halter), sleeves (such as puffed, angel, draped, cape, and cap), and skirts (column, A-line, slip, slanted, and tiered), our long party dresses for women are shaped from a series of compositions. Think sculpting jersey, jacquard, and the four-way support of Compact Stretch (creating a bespoke fit with four-way stretch), and flowing styles that are cut from satin, silk, lace, jersey, chiffon, organza, and taffeta. Our maxi party dresses are enlivened with artful touches that will incite an imaginative essence in your late-night ensemble. Think intricate embroidery, dynamic tassels, scintillating sequins, gathered rosettes, tactile feather trims, ornate lace panels, scalloped hems, and appliqué details aplenty. Shop long dresses for a party below.

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favourite
Printed Satin Woven Maxi Dress
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KarenMillen

Printed Satin Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£36.00 £119.00
favourite
Embellished Plunge Beaded Woven Maxi Dress
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KarenMillen

Embellished Plunge Beaded Woven Maxi Dress

  • Length: Maxi
  • SleeveLength: Strappy
  • Style: Maxi Dress
£136.00 £389.00
favourite
Butterfly Viscose Satin Maxi Dress
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KarenMillen

Butterfly Viscose Satin Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£45.00 £149.00
favourite
Crystal Embellished Long Sleeve Woven Maxi Dress
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KarenMillen

Crystal Embellished Long Sleeve Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£293.00 £489.00
favourite
Premium Embellished Cape Maxi Dress
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KarenMillen

Premium Embellished Cape Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£328.30 £469.00
favourite
Tall Floral Ruffle Chiffon Maxi Dress
Tall
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KarenMillen

Tall Floral Ruffle Chiffon Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£105.00 £349.00
favourite
Petite Rosette Drama Maxi Dress
Petite
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KarenMillen

Petite Rosette Drama Maxi Dress

  • Length: Maxi
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
£129.00 £429.00
favourite
Long Sleeve Ombre Mesh Maxi Dress
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KarenMillen

Long Sleeve Ombre Mesh Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£48.00 £119.00
favourite
Baroque Applique Organdie Woven Maxi Dress
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KarenMillen

Baroque Applique Organdie Woven Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
£64.00 £319.00
favourite
Floral Tulle Plunge Woven Maxi Dress
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KarenMillen

Floral Tulle Plunge Woven Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
£48.00 £159.00
favourite
Premium Ruched Jersey Maxi Dress
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KarenMillen

Premium Ruched Jersey Maxi Dress

  • Length: Maxi
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
£97.30 £139.00
favourite
Jersey Crepe Ruched Long Sleeve Maxi Dress
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KarenMillen

Jersey Crepe Ruched Long Sleeve Maxi Dress

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£25.00 £99.00
mango color teal color
favourite
Tall Embellished Geo Strappy Woven Maxi Dress
Tall
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KarenMillen

Tall Embellished Geo Strappy Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£54.00 £179.00
favourite
Scuba Crepe Plunge Maxi Dress
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KarenMillen

Scuba Crepe Plunge Maxi Dress

  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£101.00 £169.00
favourite
Premium Viscose Jersey Hardware Maxi Dress
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KarenMillen

Premium Viscose Jersey Hardware Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£50.00 £199.00
black color ivory color
favourite
Slinky Crepe Twist Detail Maxi Dress
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KarenMillen

Slinky Crepe Twist Detail Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£97.30 £139.00
black color chocolate color
favourite
Floral Pleat Detail Woven Maxi Dress
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KarenMillen

Floral Pleat Detail Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£57.00 £189.00
favourite
Soft Tailored Waterfall Sleeve Maxi Dress
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KarenMillen

Soft Tailored Waterfall Sleeve Maxi Dress

  • Length: Maxi
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
£60.00 £199.00
favourite
Petite Premium Viscose Jersey Hardware Maxi Dress
Petite
View
KarenMillen

Petite Premium Viscose Jersey Hardware Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£60.00 £199.00
favourite
Embellished Pleated Woven Maxi Dress
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KarenMillen

Embellished Pleated Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£216.30 £309.00
favourite
Animal Print Mesh Ruched Maxi Dress
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KarenMillen

Animal Print Mesh Ruched Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£30.00 £99.00
favourite
Crystal Embellished Halter Woven Maxi Dress
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KarenMillen

Crystal Embellished Halter Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£102.00 £339.00
favourite
Taffeta Bow Detail Woven Maxi Dress
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KarenMillen

Taffeta Bow Detail Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£95.00 £379.00
hot-pink color black color
favourite
Petite Premium Embellished Cape Maxi Dress
Petite
View
KarenMillen

Petite Premium Embellished Cape Maxi Dress

  • Length: Maxi
  • Style: Maxi Dress
£328.30 £469.00
favourite
Crystal Embellished Cady Woven Cape Maxi Dress
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KarenMillen

Crystal Embellished Cady Woven Cape Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£174.00 £579.00
favourite
Tailored Drape Maxi Dress
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KarenMillen

Tailored Drape Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£78.00 £259.00
black color gold color
favourite
Ombre Printed Mesh Ruched Long Sleeve Maxi Dress
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KarenMillen

Ombre Printed Mesh Ruched Long Sleeve Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£30.00 £99.00
favourite
Viscose Metallic Georgette Halter Woven Maxi Dress
Tall
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KarenMillen

Viscose Metallic Georgette Halter Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£42.00 £139.00
favourite
Crystal Applique Woven Maxi Dress
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KarenMillen

Crystal Applique Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
£236.00 £589.00
favourite
Guipure Lace Pleated Maxi Dress
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KarenMillen

Guipure Lace Pleated Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Short Sleeve
£153.30 £219.00
favourite
Tall Halter Pleated Woven Maxi Dress
Tall
View
KarenMillen

Tall Halter Pleated Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£45.00 £149.00
favourite
Crystal Applique Woven Maxi Rosette Maxi Dress
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KarenMillen

Crystal Applique Woven Maxi Rosette Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£299.00 £499.00
favourite
Satin Drape One Shoulder Tailored Maxi Dress
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KarenMillen

Satin Drape One Shoulder Tailored Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£72.00 £239.00
favourite
Petite Embellished Ruffle Strappy Woven Maxi Dress
Petite
View
KarenMillen

Petite Embellished Ruffle Strappy Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£90.00 £299.00
favourite
Compact Stretch Viscose One Shoulder Maxi Dress
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KarenMillen

Compact Stretch Viscose One Shoulder Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£60.00 £199.00
favourite
Fringed Beaded Halter Neck Woven Maxi Dress
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KarenMillen

Fringed Beaded Halter Neck Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£263.00 £439.00
favourite
Crystal Embellished Raw Edge Satin Wrap Maxi Dress
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KarenMillen

Crystal Embellished Raw Edge Satin Wrap Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
£75.00 £249.00
favourite
Petite Crystal Embellished Cady Woven Cape Maxi Dress
Petite
View
KarenMillen

Petite Crystal Embellished Cady Woven Cape Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£180.00 £599.00
favourite
Off The Shoulder Taffeta Ruffle Woven Maxi Dress
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KarenMillen

Off The Shoulder Taffeta Ruffle Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£105.00 £349.00
favourite
Velvet Sequin One Shoulder Woven Maxi Dress
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KarenMillen

Velvet Sequin One Shoulder Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£60.00 £149.00
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