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Summer Cocktail Dresses

Step into the season with our expertly curated collection of summer cocktail dresses—crafted from premium, lightweight compositions that embody effortless sophistication. This edit blends warm-weather sensibility with after-dark allure, offering the perfect balance between relaxed charm and elevated style. Whether you're enjoying cocktails at a rooftop bar, watching the sunset at the beach, or attending a garden soirée, these cocktail dresses are designed to make every moment special. From the classic appeal of the black cocktail dress to a vibrant palette of bold brights, delicate pastels, refined neutrals, and artistic prints inspired by the season. Each piece is crafted from thoughtfully luxe fabrics - think breathable cotton, airy linen, fluid silks, glossy satins, and softly draped crepe for more polished moments. Discover cocktail dresses below.

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favourite
Premium Viscose Linen Tailored Ruffle Pencil Midi Dress
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KarenMillen

Premium Viscose Linen Tailored Ruffle Pencil Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • Style: Midi Dress
£60.00 £199.00
ivory color blue color
favourite
Studded Ponte Jersey Midi Dress
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KarenMillen

Studded Ponte Jersey Midi Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£67.08 £129.00
black color green color pink color
favourite
Placed Cornelli Knitted Pencil Midi Dress
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KarenMillen

Placed Cornelli Knitted Pencil Midi Dress

  • Occasion: Daywear
  • SleeveLength: Sleeveless
  • Style: Midi Dress
£67.08 £129.00
ivory color pink color
favourite
Structured Viscose Satin Stitch Detail Tailored Pencil Maxi Dress
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KarenMillen

Structured Viscose Satin Stitch Detail Tailored Pencil Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Sleeveless
£75.00 £249.00
champagne color pale-blue color
favourite
Figure Form Bandage Peplum Belted Pencil Knit Midi Dress
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KarenMillen

Figure Form Bandage Peplum Belted Pencil Knit Midi Dress

  • Occasion: Daywear
  • SleeveLength: Sleeveless
  • Style: Midi Dress
£67.08 £129.00
green color black color
favourite
Soft Tailored One Shoulder Pencil Midi Dress
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KarenMillen

Soft Tailored One Shoulder Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£98.28 £189.00
favourite
Tailored Linen Tab Waist Pencil Midi Dress
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KarenMillen

Tailored Linen Tab Waist Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£129.48 £249.00
navy color blush color ivory color
favourite
Plus Size Soft Tailored One Shoulder Pencil Midi Dress
Plus
View
KarenMillen

Plus Size Soft Tailored One Shoulder Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£98.28 £189.00
favourite
Plunge Ruched Twist Jersey Maxi Dress
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KarenMillen

Plunge Ruched Twist Jersey Maxi Dress

  • Length: Maxi
  • Occasion: Daywear
  • SleeveLength: Sleeveless
£57.00 £189.00
mango color green color
favourite
Sunset Ombre Mesh Ruched Jersey Maxi Dress
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KarenMillen

Sunset Ombre Mesh Ruched Jersey Maxi Dress

  • Length: Maxi
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
£24.00 £79.00
favourite
Petite Foiled Figure Form Bandage Corset Detail Knit Midi Dress
Petite
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KarenMillen

Petite Foiled Figure Form Bandage Corset Detail Knit Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Knitted Dress
£36.00 £119.00
favourite
Compact Stretch Viscose One Shoulder Maxi Dress
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KarenMillen

Compact Stretch Viscose One Shoulder Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
£60.00 £199.00
favourite
Sunset Ombre Mesh Asymmetric Draped Jersey Mini Dress
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KarenMillen

Sunset Ombre Mesh Asymmetric Draped Jersey Mini Dress

  • Length: Mini
  • Occasion: Occasion
  • Style: Mini Dress
£20.00 £65.00
favourite
Compact Stretch Essential Tailored Pocket Mini Dress
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KarenMillen

Compact Stretch Essential Tailored Pocket Mini Dress

  • Length: Mini
  • Sleeve length: Strappy
  • Style: Tailored Dress
£30.00 £99.00
pale-blue color ivory color
favourite
Foil Metallic Figure Form Bandage Strappy Knit Maxi Dress
Tall
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KarenMillen

Foil Metallic Figure Form Bandage Strappy Knit Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£82.68 £159.00
blush color pale-blue color
favourite
Tailored One Shoulder Tuck Detail Pencil Midi Dress
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KarenMillen

Tailored One Shoulder Tuck Detail Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Midi Dress
£60.00 £199.00
sage color camel color
favourite
Plus Size Plunge Ruched Twist Jersey Maxi Dress
Plus
View
KarenMillen

Plus Size Plunge Ruched Twist Jersey Maxi Dress

  • Length: Maxi
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
£57.00 £189.00
favourite
Printed Mesh Jersey One Shoulder Midi Dress
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KarenMillen

Printed Mesh Jersey One Shoulder Midi Dress

  • Length: Midi
  • SleeveLength: Sleeveless
  • Style: Midi Dress
£24.00 £79.00
favourite
Applique And Lace Georgette Woven Halter Maxi Dress
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KarenMillen

Applique And Lace Georgette Woven Halter Maxi Dress

  • Length: Maxi
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
£87.00 £289.00
favourite
Lace Applique Contrast Sleeveless Tailored Maxi Dress
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KarenMillen

Lace Applique Contrast Sleeveless Tailored Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£81.00 £269.00
favourite
Textured Tailored Contrast Taffeta Ruffle Midi Dress
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KarenMillen

Textured Tailored Contrast Taffeta Ruffle Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£48.00 £239.00
blush color black color
favourite
Amelia Graham Printed Cady Lace Detail Woven Midi Dress
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KarenMillen

Amelia Graham Printed Cady Lace Detail Woven Midi Dress

  • Occasion: Occasion
  • SleeveLength: Sleeveless
  • Style: Midi Dress
£45.00 £149.00
favourite
Tall Lace Applique Contrast Sleeveless Tailored Maxi Dress
Tall
View
KarenMillen

Tall Lace Applique Contrast Sleeveless Tailored Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
£81.00 £269.00
favourite
Ottoman Stitch Sleeveless Collar Detail Knitted Midi Dress
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KarenMillen

Ottoman Stitch Sleeveless Collar Detail Knitted Midi Dress

  • Length: Midi
  • SleeveLength: Sleeveless
  • Style: Knitted Dress
£48.00 £119.00
red color blue color
favourite
Premium Crystal Embellished Midi Dress
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KarenMillen

Premium Crystal Embellished Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£119.08 £229.00
hot-pink color blue color cobalt color chocolate color
favourite
Floral Printed Mesh Ruched One Shoulder Maxi Dress
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KarenMillen

Floral Printed Mesh Ruched One Shoulder Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£21.00 £69.00
favourite
Amelia Graham Tall Printed Cady Lace Detail Woven Midi Dress
Tall
View
KarenMillen

Amelia Graham Tall Printed Cady Lace Detail Woven Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£45.00 £149.00
favourite
Gathered Fabric Bandage Knitted Maxi Dress
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KarenMillen

Gathered Fabric Bandage Knitted Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Knitted Dress
£42.00 £139.00
blue color black color
favourite
Lightweight Stitch Detail Knitted Dress
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KarenMillen

Lightweight Stitch Detail Knitted Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Knitted Dress
£46.28 £89.00
favourite
Scuba Drama Ruffle Woven Midi Dress
View
KarenMillen

Scuba Drama Ruffle Woven Midi Dress

  • Occasion: Occasion
  • SleeveLength: Sleeveless
  • Style: Midaxi Dress
£42.00 £139.00
pink color black color
favourite
Compact Stretch Tailored Zip Through Pencil Midi Dress
View
KarenMillen

Compact Stretch Tailored Zip Through Pencil Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • SleeveLength: Sleeveless
£69.00 £229.00
favourite
Figure Form Bandage One Shoulder Fringe Mini Knit Dress
View
KarenMillen

Figure Form Bandage One Shoulder Fringe Mini Knit Dress

  • Length: Mini
  • SleeveLength: Sleeveless
  • Style: Knitted Dress
£54.00 £179.00
green color chartreuse color black color silver color
favourite
Petite Figure Form Bandage Knit Rosette Detail Midi Dress
Petite
View
KarenMillen

Petite Figure Form Bandage Knit Rosette Detail Midi Dress

  • Length: Midi
  • SleeveLength: Short Sleeve
  • Style: Knitted Dress
£77.48 £149.00
favourite
Textured Wool Blend Darted Tailored Midi Dress
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KarenMillen

Textured Wool Blend Darted Tailored Midi Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
£84.00 £279.00
pink color pale-blue color
favourite
Jacquard Tailored Sleeveless Mini Dress
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KarenMillen

Jacquard Tailored Sleeveless Mini Dress

  • Length: Mini
  • Sleeve length: Sleeveless
  • Style: Mini Dress
£54.00 £179.00
black color camel color
favourite
Tall Tailored Tux Pencil Dress
Tall
View
KarenMillen

Tall Tailored Tux Pencil Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£88.00 £219.00
favourite
Compact Essenital Belted Midi Pencil Dress
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KarenMillen

Compact Essenital Belted Midi Pencil Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£139.00
emerald color black color
favourite
Premium Viscose Linen Asymmetric Neck Tailored Pencil Maxi Dress
View
KarenMillen

Premium Viscose Linen Asymmetric Neck Tailored Pencil Maxi Dress

  • Length: Maxi
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
£69.00 £229.00
taupe color black color
favourite
Tailored Linen Statement Button Front Pencil Midi Dress
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KarenMillen

Tailored Linen Statement Button Front Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£103.48 £199.00
chocolate color ivory color
favourite
Petite Compact Essential Button Pencil Midi Dress
Petite
View
KarenMillen

Petite Compact Essential Button Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£103.48 £199.00
Showing 40 of 132
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