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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
Embellished One Shoulder Printed Maxi Dress
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KarenMillen

Embellished One Shoulder Printed Maxi Dress

  • Design: Plain
  • Detail: Embellished
  • Length: Maxi
£299.00
favourite
Crystal Embellished Long Sleeve Woven Maxi Dress
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KarenMillen

Crystal Embellished Long Sleeve Woven Maxi Dress

  • Design: Embroidered
  • Neckline: High Neck
  • Sleeve length: Long Sleeve
£245.00 £489.00
favourite
Blurred Floral Tulle Plunge Maxi Dress
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KarenMillen

Blurred Floral Tulle Plunge Maxi Dress

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£60.00 £199.00
favourite
Velvet Embellished Long Sleeve Maxi Dress
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KarenMillen

Velvet Embellished Long Sleeve Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£90.00 £299.00
favourite
Petite Compact Stretch Viscose Maxi Dress
Petite
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KarenMillen

Petite Compact Stretch Viscose Maxi Dress

  • Design: Plain
  • Detail: Plain
  • Sleeve length: Sleeveless
£259.00
favourite
Kimono Sleeve Embellished Maxi Dress
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KarenMillen

Kimono Sleeve Embellished Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£90.00 £299.00
blue color rust color
favourite
Jersey Crepe Ruched Long Sleeve Maxi Dress
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KarenMillen

Jersey Crepe Ruched Long Sleeve Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: maxidress
£30.00 £99.00
teal color mango color
favourite
Leopard Print Mesh Maxi Dress
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KarenMillen

Leopard Print Mesh Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£36.00 £119.00
favourite
Baroque Balloon Sleeve Maxi Dress
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KarenMillen

Baroque Balloon Sleeve Maxi Dress

  • Detail: All Over Print
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£99.50 £199.00
favourite
Floral Twill Collared Maxi Dress
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KarenMillen

Floral Twill Collared Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Sleeve length: Sleeveless
£179.00
favourite
Strappy Pleated Maxi Dress
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KarenMillen

Strappy Pleated Maxi Dress

  • Design: Plain
  • Length: Maxi
  • Neckline: Strappy
£139.00
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Satin Applique Woven Maxi Dress
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KarenMillen

Satin Applique Woven Maxi Dress

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£72.00 £239.00
mango color baby-pink color
favourite
Floral Applique Lace Maxi Dress
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KarenMillen

Floral Applique Lace Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£84.00 £279.00
favourite
Floral Tulle Plunge Woven Maxi Dress
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KarenMillen

Floral Tulle Plunge Woven Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
£92.00 £229.00
favourite
Jacquard Long Sleeve Hanky Hem Woven Maxi Dress
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KarenMillen

Jacquard Long Sleeve Hanky Hem Woven Maxi Dress

  • Design: Jacquard
  • Length: Maxi
  • Neckline: Round Neck
£79.50 £159.00
favourite
Tailored Drape Maxi Dress
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KarenMillen

Tailored Drape Maxi Dress

  • Design: Plain
  • Fabric: Polyester
  • Style: Maxi Dress
£103.00 £259.00
black color gold color
favourite
Embellished Fringe Woven Maxi Dress
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KarenMillen

Embellished Fringe Woven Maxi Dress

  • Fabric: Polyester
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
£107.00 £429.00
favourite
Cutwork Beaded Embroidered Woven Maxi Dress
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KarenMillen

Cutwork Beaded Embroidered Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£184.50 £369.00
favourite
Ooto Sheer Panelled Long Sleeve Woven Maxi Dress
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KarenMillen

Ooto Sheer Panelled Long Sleeve Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£76.00 £379.00
ivory color black color
favourite
Velvet Long Sleeve Wrap V Neck Maxi Dress
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KarenMillen

Velvet Long Sleeve Wrap V Neck Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
£52.00 £129.00
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
Velvet Embellished Strappy Maxi Dress
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KarenMillen

Velvet Embellished Strappy Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£99.00 £329.00
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
Cowl Neck Drape Woven Maxi Dress
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KarenMillen

Cowl Neck Drape Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£94.50 £189.00
favourite
Ooto Sheer Panelled Woven Maxi Dress
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KarenMillen

Ooto Sheer Panelled Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£105.00 £349.00
favourite
Satin Strong Shoulder Woven Maxi Dress
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KarenMillen

Satin Strong Shoulder Woven Maxi Dress

  • Length: Maxi
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
£69.00 £229.00
favourite
Embellished Ruffle Strappy Woven Maxi Dress
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KarenMillen

Embellished Ruffle Strappy Woven Maxi Dress

  • Length: Maxi
  • SleeveLength: Strappy
  • Style: Maxi Dress
£104.00 £349.00
favourite
Petite Jacquard Sleeveless Woven Maxi Dress
Petite
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KarenMillen

Petite Jacquard Sleeveless Woven Maxi Dress

  • Design: Jacquard
  • Length: Maxi
  • Sleeve length: Sleeveless
£149.00
favourite
Twill Contrast Strappy Woven Maxi Dress
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KarenMillen

Twill Contrast Strappy Woven Maxi Dress

  • Design: Plain
  • Detail: Plain
  • Length: Maxi
£129.00
favourite
Petite Satin Viscose Halterneck Maxi Dress
Petite
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KarenMillen

Petite Satin Viscose Halterneck Maxi Dress

  • Fabric: Woven
  • Neckline: Halterneck
  • Sleeve length: Sleeveless
£179.00
favourite
Petite Crystal Embellished Satin Wrap Maxi Dress
Petite
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KarenMillen

Petite Crystal Embellished Satin Wrap Maxi Dress

  • Design: Fabric Interest
  • Fabric: Polyester
  • Sleeve length: Long Sleeve
£57.00 £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

  • Length: Maxi
  • Neckline: Crew
  • Sleeve length: Long Sleeve
£180.00 £599.00
favourite
Petite Embellished Ruffle Strappy Woven Maxi Dress
Petite
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KarenMillen

Petite Embellished Ruffle Strappy Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£90.00 £299.00
favourite
Petite Marble Devour Halter Neck Maxi Dress
Petite
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KarenMillen

Petite Marble Devour Halter Neck Maxi Dress

  • Fabric: Viscose
  • Neckline: Halterneck
  • Sleeve length: Strappy
£75.00 £299.00
favourite
Soft Tailored Cape Sleeve Maxi Dress
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KarenMillen

Soft Tailored Cape Sleeve Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Sleeveless
£231.20 £289.00
black color ivory color
favourite
Pleated Skirt Detail Belted Maxi Dress
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KarenMillen

Pleated Skirt Detail Belted Maxi Dress

  • Fabric: Woven
  • Neckline: Halterneck
  • Style: Maxi Dress
£143.20 £179.00
favourite
Petite Floral Twill Collared Maxi Dress
Petite
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KarenMillen

Petite Floral Twill Collared Maxi Dress

  • Length: Maxi
  • Neckline: Collared
  • Sleeve length: Sleeveless
£159.00
favourite
Viscose Satin Crepe Woven Maxi Dress
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KarenMillen

Viscose Satin Crepe Woven Maxi Dress

  • Neckline: Crew
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
£183.20 £229.00
ivory color sage color pale-blue color
favourite
Tall Applique Organdie Buttoned Woven Maxi Dress
Tall
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KarenMillen

Tall Applique Organdie Buttoned Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£92.00 £369.00
favourite
Embroidered Organdie Balloon Sleeve Woven Maxi Dress
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KarenMillen

Embroidered Organdie Balloon Sleeve Woven Maxi Dress

  • Fabric: Polyester
  • Length: Maxi
  • Neckline: Crew
£339.00
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