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Long Sleeve Cocktail Dresses

Elegant eveningwear codes are reintroduced with a contemporary focus for the long sleeve cocktail dresses collection. Crafted from premium textiles that spotlight our dedication to timeless design, expect angel, draped, compact, balloon, asymmetric, mesh, and midi long sleeve cocktail dresses that appear in luxury form - think silky satin twill, structured crêpe, and flowing organza, offset by sculpting jersey, jacquard, and four-way support Compact Stretch. The long sleeve black cocktail dress appears alongside bold brights, regal reds, rich jewel tones, and refined neutrals. Shop show-stopping cocktail cocktail dresses with sleeves below.

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favourite
Chain Stitch Wide Shoulder Knitted Midi Dress
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KarenMillen

Chain Stitch Wide Shoulder Knitted Midi Dress

  • Detail: Plain
  • Neckline: Crew
  • Style: Midi Dress
£90.30 £129.00
grey color navy color
favourite
Military Button Up Sleeved Knitted Midi Dress
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KarenMillen

Military Button Up Sleeved Knitted Midi Dress

  • Design: Plain
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£104.30 £149.00
black color ivory color
favourite
Pleat Detail Ponte Keyhole Midi Dress
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KarenMillen

Pleat Detail Ponte Keyhole Midi Dress

  • Design: Plain
  • Length: Midi
  • Sleeve length: Short Sleeve
£90.30 £129.00
favourite
Twist Front Viscose Knitted Bardot Midi Dress
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KarenMillen

Twist Front Viscose Knitted Bardot Midi Dress

  • Length: Midi
  • Neckline: Bardot
  • Sleeve length: Long Sleeve
£90.30 £129.00
navy color plum color
favourite
Slinky Drape Knitted Banana Sleeve Funnel Neck Midi Dress
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KarenMillen

Slinky Drape Knitted Banana Sleeve Funnel Neck Midi Dress

  • Detail: Belted
  • Neckline: High Neck
  • Style: Midi Dress
£118.00
favourite
Pointelle Knit Panelled Bardot Midi Dress
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KarenMillen

Pointelle Knit Panelled Bardot Midi Dress

  • Design: Plain
  • Detail: Pointelle
  • Style: Midi Dress
£90.30 £129.00
favourite
Crystal Embellished Ruched Detail Sleeveless Midi Dress
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KarenMillen

Crystal Embellished Ruched Detail Sleeveless Midi Dress

  • Design: Plain
  • Neckline: Crew
  • Style: Midi Dress
£63.00 £179.00
favourite
Embellished Cosy Knitted Midi Dress
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KarenMillen

Embellished Cosy Knitted Midi Dress

  • Detail: Embellished
  • Length: Midi
  • Style: Midi Dress
£104.30 £149.00
favourite
Knit Rib With Contrast Detail Midi Dress
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KarenMillen

Knit Rib With Contrast Detail Midi Dress

  • Design: Contrast
  • Length: Midi
  • Style: Midi Dress
£83.30 £119.00
navy color mono color
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Viscose Blend Rib Knit Chiffon Sleeve Midi Dress
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KarenMillen

Viscose Blend Rib Knit Chiffon Sleeve Midi Dress

  • Design: Plain
  • Neckline: Button Up
  • Sleeve length: Long Sleeve
£69.30 £99.00
cream color navy color
favourite
Crystal Embellished Ruched Detail Sleeveless Midi Dress
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KarenMillen

Crystal Embellished Ruched Detail Sleeveless Midi Dress

  • Detail: Embellished
  • Neckline: Crew
  • Sleeve length: Long Sleeve
£63.00 £179.00
favourite
Textured Geo Knitted Viscose Midi Dress
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KarenMillen

Textured Geo Knitted Viscose Midi Dress

  • Design: Plain
  • Fabric: Viscose
  • Sleeve length: Long Sleeve
£90.30 £129.00
red color mono color
favourite
Viscose Rib Contrast Colour Button Knit Midi Dress
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KarenMillen

Viscose Rib Contrast Colour Button Knit Midi Dress

  • Detail: Buttons
  • Length: Midi
  • Style: Midi Dress
£90.00 £179.00
chocolate color navy color
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Viscose Blend Filament Knit Midi Dress
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KarenMillen

Viscose Blend Filament Knit Midi Dress

  • Fabric: Knitted
  • Length: Midi
  • Neckline: Round Neck
£97.30 £139.00
purple color black color
favourite
Premium Crystal Embellished Jersey Sleeveless Plunge Neck Midi Dress
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KarenMillen

Premium Crystal Embellished Jersey Sleeveless Plunge Neck Midi Dress

  • Design: Plain
  • Detail: Embellished
  • Neckline: V Neck
£160.30 £229.00
black color chocolate color
favourite
Embellished Figure Form Bandage And Chiffon Sleeve Midi Dress
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KarenMillen

Embellished Figure Form Bandage And Chiffon Sleeve Midi Dress

  • Detail: Embellished
  • Neckline: Crew
  • Sleeve length: Long Sleeve
£66.00 £189.00
favourite
Mesh With Velvet Bow Trim Detail Crew Neck Long Sleeve Top
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KarenMillen

Mesh With Velvet Bow Trim Detail Crew Neck Long Sleeve Top

  • Design: Plain
  • Length: Regular
  • Sleeve length: Long Sleeve
£48.30 £69.00
favourite
Knit Pointelle Stitch Detail Midi Dress
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KarenMillen

Knit Pointelle Stitch Detail Midi Dress

  • Fabric: Viscose
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£64.00 £129.00
cobalt color burgundy color
favourite
Jersey And Georgette Mix Belted Pleat Midi Dress
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KarenMillen

Jersey And Georgette Mix Belted Pleat Midi Dress

  • Length: Midi
  • Sleevelength: Long Sleeve
  • Style: Midi Dress
£64.00 £129.00
favourite
Knit Stitch Detail Sleeveless Midi Dress
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KarenMillen

Knit Stitch Detail Sleeveless Midi Dress

  • Design: Plain
  • Length: Midi
  • Style: Midi Dress
£56.00 £159.00
red color cobalt color
favourite
Hotfix Studded Long Sleeve Shirt Woven Maxi Dress
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KarenMillen

Hotfix Studded Long Sleeve Shirt Woven Maxi Dress

  • Neckline: Collared
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£66.00 £189.00
favourite
Petite Pleat Detail Ponte Keyhole Midi Dress
Petite
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KarenMillen

Petite Pleat Detail Ponte Keyhole Midi Dress

  • Detail: Plain
  • Neckline: Boat Neck
  • Sleeve length: Short Sleeve
£129.00
favourite
Cotton Cutwork Woven Shirt Midi Dress
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KarenMillen

Cotton Cutwork Woven Shirt Midi Dress

  • Neckline: Collared
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£70.00 £199.00
favourite
Petite Twist Front Viscose Knitted Bardot Midi Dress
Petite
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KarenMillen

Petite Twist Front Viscose Knitted Bardot Midi Dress

  • Detail: Plain
  • Neckline: Bardot
  • Style: Midi Dress
£129.00
favourite
Wool Look Rounded Sleeve High Neck Knit Midi Dress
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KarenMillen

Wool Look Rounded Sleeve High Neck Knit Midi Dress

  • Design: Plain
  • Fabric: Viscose
  • Sleeve length: Long Sleeve
£90.30 £129.00
sand color chocolate color
favourite
Rib Knit Trim Detail Full Skirt Midi Dress
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KarenMillen

Rib Knit Trim Detail Full Skirt Midi Dress

  • Fabric: Viscose
  • Length: Midi
  • Style: Knitted Dress
£97.30 £139.00
favourite
Petite Military Button Up Sleeved Knitted Midi Dress
Petite
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KarenMillen

Petite Military Button Up Sleeved Knitted Midi Dress

  • Detail: Buttons
  • Fabric: Viscose
  • Sleeve length: Long Sleeve
£149.00
favourite
Baroque Embroidered Long Sleeve Twill Woven Midi Dress
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KarenMillen

Baroque Embroidered Long Sleeve Twill Woven Midi Dress

  • Fabric: Woven
  • Length: Midi
  • Style: Midi Dress
£84.00 £239.00
favourite
Viscose Crepe Floral Long Sleeve Midi Dress
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KarenMillen

Viscose Crepe Floral Long Sleeve Midi Dress

  • Neckline: V Neck
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£49.00 £139.00
favourite
Petite Forever Viscose Blend Rib Knit Chiffon Sleeve Midi Dress
Petite
View
KarenMillen

Petite Forever Viscose Blend Rib Knit Chiffon Sleeve Midi Dress

  • Detail: Buttons
  • Fabric: Viscose
  • Length: Midi
£69.30 £99.00
navy color cream color
favourite
Tulle Layered Marble Print Long Sleeve Maxi Dress
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KarenMillen

Tulle Layered Marble Print Long Sleeve Maxi Dress

  • Design: All Over Print
  • Detail: All Over Print
  • Neckline: V Neck
£189.00
favourite
Abstract Floral Satin Crepe Woven Long Sleeve Midi Dress
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KarenMillen

Abstract Floral Satin Crepe Woven Long Sleeve Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
£68.00 £169.00
favourite
Figure Form Bandage Asymmetric Knit Midi Dress
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KarenMillen

Figure Form Bandage Asymmetric Knit Midi Dress

  • Detail: Buckle
  • Length: Midi
  • Style: Midi Dress
£104.30 £149.00
stone color cobalt color
favourite
Off The Shoulder Brushed Textured Jersey Midi Dress
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KarenMillen

Off The Shoulder Brushed Textured Jersey Midi Dress

  • Design: Plain
  • Length: Midi
  • Sleeve length: Long Sleeve
£35.00 £99.00
raspberry color khaki color
favourite
Plus Size Cotton Cutwork Balloon Sleeve Woven Midi Dress
Plus
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KarenMillen

Plus Size Cotton Cutwork Balloon Sleeve Woven Midi Dress

  • Design: Plain
  • Detail: Plain
  • Style: Midi Dress
£209.30 £299.00
favourite
Jersey Crepe Ruched Long Sleeve Maxi Dress
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KarenMillen

Jersey Crepe Ruched Long Sleeve Maxi Dress

  • Length: Maxi
  • Neckline: Round Neck
  • Style: Maxi Dress
£35.00 £99.00
teal color mango color
favourite
Plus Size Jacquard Asymmetric Sleeve Midi Dresss
Plus
View
KarenMillen

Plus Size Jacquard Asymmetric Sleeve Midi Dresss

  • Design: Jacquard
  • Length: Midi
  • Neckline: Round Neck
£118.30 £169.00
favourite
Drama Ruffle Asymmetric Midi Dress
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KarenMillen

Drama Ruffle Asymmetric Midi Dress

  • Fabric: Polyester
  • Length: Midi
  • Neckline: One Shoulder
£42.00 £119.00
favourite
Rose Embroidery Organza Angel Sleeve Midi Dress
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KarenMillen

Rose Embroidery Organza Angel Sleeve Midi Dress

  • Design: Embroidered
  • Detail: Embroidered
  • Length: Midi
£299.00
black color pink color
favourite
Plus Size Puff Sleeve Metallic Textured Midi Dress
Tall
Plus
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KarenMillen

Plus Size Puff Sleeve Metallic Textured Midi Dress

  • Detail: Plain
  • Fabric: Woven
  • Style: Midi Dress
£90.30 £129.00
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