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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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52 products

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favourite
Studded Ponte Jersey Midi Dress
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KarenMillen

Studded Ponte Jersey Midi Dress

  • Detail: Plain
  • Length: Midi
  • Sleeve length: Strappy
£77.40 £129.00
black color green color pink color
favourite
Tall Tailored Tux Pencil Dress
Tall
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KarenMillen

Tall Tailored Tux Pencil Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£88.00 £219.00
favourite
Premium Viscose Linen Tailored Ruffle Pencil Midi Dress
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KarenMillen

Premium Viscose Linen Tailored Ruffle Pencil Midi Dress

  • Detail: Plain
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£79.00 £199.00
ivory color blue color
favourite
Tailored Marl Contrast Tipped Pencil Midi Dress
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KarenMillen

Tailored Marl Contrast Tipped Pencil Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • SleeveLength: Sleeveless
£50.00 £199.00
favourite
Tailored Drape Midi Pencil Dress
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KarenMillen

Tailored Drape Midi Pencil Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£64.00 £159.00
gold color black color
favourite
Petite Bonded Satin Peplum Pencil Woven Midi Dress
Petite
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KarenMillen

Petite Bonded Satin Peplum Pencil Woven Midi Dress

  • Detail: Plain
  • Length: Midi
  • Neckline: Bandeau
£71.40 £119.00
favourite
Premium Lace Tailored Pencil Maxi Dress
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KarenMillen

Premium Lace Tailored Pencil Maxi Dress

  • Design: Plain
  • Fabric: Lace
  • Style: Maxi Dress
£69.00 £229.00
red color black color
favourite
Compact Stretch Ruffle Peplum Belted Pencil Midi Dress
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KarenMillen

Compact Stretch Ruffle Peplum Belted Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£229.00
mono color tomato-red color
favourite
Bonded Satin Peplum Pencil Woven Midi Dress
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KarenMillen

Bonded Satin Peplum Pencil Woven Midi Dress

  • Detail: Plain
  • Fabric: Satin
  • Sleeve length: Sleeveless
£119.00
lime color pink color
favourite
Premium Viscose Linen Asymmetric Neck Tailored Pencil Maxi Dress
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KarenMillen

Premium Viscose Linen Asymmetric Neck Tailored Pencil Maxi Dress

  • Detail: Plain
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£57.00 £229.00
black color taupe color
favourite
Floral Jacquard Asymmetric Neck Pencil Dress
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KarenMillen

Floral Jacquard Asymmetric Neck Pencil Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Tailored Dress
£83.40 £139.00
favourite
Petite Compact Stretch Bow Tie Neck Tailored Pencil Midi Dress
Petite
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KarenMillen

Petite Compact Stretch Bow Tie Neck Tailored Pencil Midi Dress

  • Design: Plain
  • Detail: Bow
  • Fabric: Polyester
£153.00 £219.00
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
£62.00 £249.00
champagne color pale-blue color
favourite
Figure Form Bandage Feather Hem Knit Midi Dress
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KarenMillen

Figure Form Bandage Feather Hem Knit Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Knitted Dress
£54.00 £179.00
black color ivory color
favourite
Crystal Embellished Peplum Bandeau Pencil Midi Dress
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KarenMillen

Crystal Embellished Peplum Bandeau Pencil Midi Dress

  • Design: Plain
  • Detail: Embellished
  • Fabric: Polyester
£105.00 £419.00
black color red color
favourite
Floral Jacquard Tailored Midi Pencil Dress
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KarenMillen

Floral Jacquard Tailored Midi Pencil Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£131.00 £219.00
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
Tailored Scuba Corset Strappy Midi Pencil Dress
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KarenMillen

Tailored Scuba Corset Strappy Midi Pencil Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Midi Dress
£69.00 £229.00
favourite
Clean Tailored Taffeta One Shoulder Panel Midi Dress
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KarenMillen

Clean Tailored Taffeta One Shoulder Panel Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£219.00
favourite
Foil Metallic Figure Form Bandage Strappy Knit Maxi Dress
Tall
View
KarenMillen

Foil Metallic Figure Form Bandage Strappy Knit Maxi Dress

  • Sleeve length: Strappy
  • Style: Maxi Dress
£95.40 £159.00
blush color pale-blue color
favourite
Tall Premium Linen Pintuck Detail Pencil Tailored Midi Dress
Tall
View
KarenMillen

Tall Premium Linen Pintuck Detail Pencil Tailored Midi Dress

  • Length: Midi
  • SleeveLength: Sleeveless
  • Style: Midi Dress
£66.00 £219.00
favourite
Petite Clean Tailored Taffeta One Shoulder Panel Midi Dress
Petite
View
KarenMillen

Petite Clean Tailored Taffeta One Shoulder Panel Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£110.00 £219.00
favourite
Floral Jacquard Plunge Corset Pencil Midi Dress
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KarenMillen

Floral Jacquard Plunge Corset Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Tailored Dress
£42.00 £139.00
favourite
Figure Form Bandage Sleeveless Pencil Knit Maxi Dress
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KarenMillen

Figure Form Bandage Sleeveless Pencil Knit Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Knitted Dress
£56.00 £139.00
favourite
Petite Premium Viscose Linen Asymmetric Neck Tailored Pencil Maxi Dress
Petite
View
KarenMillen

Petite Premium Viscose Linen Asymmetric Neck Tailored Pencil Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£57.00 £229.00
favourite
Petite Figure Form Bandage Laced Detail Woven One Shoulder Midi Dress
Petite
View
KarenMillen

Petite Figure Form Bandage Laced Detail Woven One Shoulder Midi Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Midi Dress
£45.00 £149.00
favourite
Tailored Satin Bow Detail Midi Dress
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KarenMillen

Tailored Satin Bow Detail Midi Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Midi Dress
£57.00 £229.00
favourite
Figure Form Bandage Ruffle Hem Halter Knit Midi Dress
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KarenMillen

Figure Form Bandage Ruffle Hem Halter Knit Midi Dress

  • Fabric: Knitted
  • Length: Midi
  • Sleeve length: Sleeveless
£60.00 £119.00
favourite
Scuba Rosette Detail Woven Mini Dress
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KarenMillen

Scuba Rosette Detail Woven Mini Dress

  • Fabric: Woven
  • Length: Mini
  • Style: Mini Dress
£77.40 £129.00
white color red color
favourite
Applique And Lace Georgette Woven Halter Maxi Dress
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KarenMillen

Applique And Lace Georgette Woven Halter Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£87.00 £289.00
favourite
Amelia Graham Printed Cady Lace Detail Woven Midi Dress
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KarenMillen

Amelia Graham Printed Cady Lace Detail Woven Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£45.00 £149.00
favourite
Compact Stretch Taffeta Ruffle Sleeved Midi Dress
View
KarenMillen

Compact Stretch Taffeta Ruffle Sleeved Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£57.00 £229.00
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
Tall Lace Applique Contrast Sleeveless Tailored Maxi Dress
Tall
View
KarenMillen

Tall Lace Applique Contrast Sleeveless Tailored Maxi Dress

  • Design: Plain
  • Fabric: Polyester
  • Style: Maxi Dress
£67.00 £269.00
favourite
Petite Figure Form Bandage Asymmetric Strap Midi Dress
Petite
View
KarenMillen

Petite Figure Form Bandage Asymmetric Strap Midi Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Knitted Dress
£52.00 £129.00
favourite
Petite Italian Satin One Shoulder Bow Detail Tailored Midi Dress
Petite
View
KarenMillen

Petite Italian Satin One Shoulder Bow Detail Tailored Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£84.00 £279.00
favourite
Premium Crystal Embellished Midi Dress
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KarenMillen

Premium Crystal Embellished Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£137.40 £229.00
hot-pink color blue color chocolate color cobalt color
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
Scuba Drama Ruffle Woven Midi Dress
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KarenMillen

Scuba Drama Ruffle Woven Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midaxi Dress
£42.00 £139.00
pink color black color
favourite
Tall Printed Viscose Cady Cold Shoulder Maxi Dress With Viscose Georgette Cowl Back
Tall
View
KarenMillen

Tall Printed Viscose Cady Cold Shoulder Maxi Dress With Viscose Georgette Cowl Back

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£69.00 £229.00
Showing 40 of 52
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