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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
Lace Up Detail Knitted Halter Cross Front Maxi Dress
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KarenMillen

Lace Up Detail Knitted Halter Cross Front Maxi Dress

  • Detail: Lace
  • Fabric: Viscose
  • Style: Maxi Dress
€209.00
merlot color black color
favourite
Crystal Embellished Ruched Detail Sleeveless Midi Dress
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KarenMillen

Crystal Embellished Ruched Detail Sleeveless Midi Dress

  • Design: Plain
  • Detail: Embellished
  • Sleeve length: Long Sleeve
€81.00 €235.00
favourite
Viscose Blend Filament Full Skirt Knit Short Sleeve Midi Dress
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KarenMillen

Viscose Blend Filament Full Skirt Knit Short Sleeve Midi Dress

  • Length: Midi
  • Neckline: Crew
  • Sleeve length: Short Sleeve
€195.00
dusty-pink color rust color
favourite
Sequin Keyhole Fit Flare Midi Dress
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KarenMillen

Sequin Keyhole Fit Flare Midi Dress

  • Fabric: Polyester
  • Length: Midi
  • Style: Midi Dress
€169.00
favourite
Twist Detail Studded Jersey Maxi Dress
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KarenMillen

Twist Detail Studded Jersey Maxi Dress

  • Design: Plain
  • Fabric: Jersey
  • Style: Maxi Dress
€235.00
olive color light-blue color
favourite
Viscose Blend Sheer Detail Knit Flippy Mini Dress
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KarenMillen

Viscose Blend Sheer Detail Knit Flippy Mini Dress

  • Design: Plain
  • Fabric: Knitted
  • Neckline: Boat Neck
€155.00
orange color red color cream color
favourite
Drapey Crepe Ruched Detail Maxi Dress
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KarenMillen

Drapey Crepe Ruched Detail Maxi Dress

  • Design: Plain
  • Length: Maxi
  • Sleeve length: Long Sleeve
€195.00
favourite
Crystal Embellished Ruched Detail Sleeveless Midi Dress
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KarenMillen

Crystal Embellished Ruched Detail Sleeveless Midi Dress

  • Design: Plain
  • Fabric: Polyester
  • Neckline: Crew
€69.00 €235.00
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Premium Crystal Embellished One Shoulder Detail Top
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KarenMillen

Premium Crystal Embellished One Shoulder Detail Top

  • Fabric: Viscose
  • Sleeve length: Sleeveless
  • Style: Top
€155.00
favourite
Slinky Viscose Colour Block Full Skirted Knit Sleeveless Midi Dress
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KarenMillen

Slinky Viscose Colour Block Full Skirted Knit Sleeveless Midi Dress

  • Fabric: Viscose
  • Length: Midi
  • Style: Midi Dress
€57.00 €195.00
favourite
Military Trim Rib Knit Collared Maxi Dress
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KarenMillen

Military Trim Rib Knit Collared Maxi Dress

  • Length: Maxi
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
€169.00
ivory color olive color
favourite
Embellished Bow Mini Dress With Embellished Detailing
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KarenMillen

Embellished Bow Mini Dress With Embellished Detailing

  • Detail: Embellished
  • Length: Midi
  • Style: Mini Dress
€169.00
favourite
Compact Stretch Square Neck Knitted Flippy Dress
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KarenMillen

Compact Stretch Square Neck Knitted Flippy Dress

  • Fabric: Knitted
  • Neckline: Square
  • Style: Knitted Dress
€59.00 €169.00
bright-pink color mango color dusty-pink color green color red color
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Scoop Neck Jersey Cotton Mix Maxi Dress
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KarenMillen

Scoop Neck Jersey Cotton Mix Maxi Dress

  • Fabric: Jersey
  • Neckline: Scoop
  • Style: Maxi Dress
€155.00
ivory color lemon color red color
favourite
Block Colour Racked Rib Knitted Sleeveless Midi Dress
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KarenMillen

Block Colour Racked Rib Knitted Sleeveless Midi Dress

  • Detail: Plain
  • Fabric: Viscose
  • Style: Midi Dress
€169.00
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
  • Fabric: Polyester
€298.00
black color chocolate color
favourite
Crystal Embellished Tie Detail Halter Neck Maxi Dress
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KarenMillen

Crystal Embellished Tie Detail Halter Neck Maxi Dress

  • Detail: Embellished
  • Length: Maxi
  • Neckline: High Neck
€259.00
favourite
Premium Crystal Embellished Midi Dress
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KarenMillen

Premium Crystal Embellished Midi Dress

  • Design: Plain
  • Length: Midi
  • Neckline: Scoop
€298.00
favourite
Viscose Blend Slinky Sheer Lace Detail Knit Maxi Dress
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KarenMillen

Viscose Blend Slinky Sheer Lace Detail Knit Maxi Dress

  • Fabric: Viscose
  • Neckline: Crew
  • Style: Knitted Dress
€75.00 €209.00
navy color ivory color burgundy color orange color mono color
favourite
Drama Frill Swimsuit
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KarenMillen

Drama Frill Swimsuit

  • Detail: Frill
  • Fabric: Knitted
  • Neckline: One Shoulder
€53.00 €155.00
cream color purple color
favourite
Marbled Printed Mesh Jersey High Neck Mini Dress
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KarenMillen

Marbled Printed Mesh Jersey High Neck Mini Dress

  • Design: All Over Print
  • Detail: Ruched
  • Style: Mini Dress
€99.00
favourite
Knit Stitch Detail Sleeveless Midi Dress
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KarenMillen

Knit Stitch Detail Sleeveless Midi Dress

  • Fabric: Knitted
  • Neckline: V Neck
  • Style: Midi Dress
€75.00 €209.00
red color cobalt color
favourite
Petite Scoop Neck Jersey Cotton Mix Maxi Dress
Petite
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KarenMillen

Petite Scoop Neck Jersey Cotton Mix Maxi Dress

  • Fabric: Jersey
  • Length: Maxi
  • Style: Maxi Dress
€169.00
favourite
Velvet Plunge Neck Taffeta Peplum Long Sleeve Mini Dress
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KarenMillen

Velvet Plunge Neck Taffeta Peplum Long Sleeve Mini Dress

  • Design: Plain
  • Fabric: Jersey
  • Style: Mini Dress
€45.00 €179.00
favourite
Figure Form Bandage One Shoulder Fringe Mini Knit Dress
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KarenMillen

Figure Form Bandage One Shoulder Fringe Mini Knit Dress

  • Detail: Tassels
  • Fabric: Polyester
  • Sleeve length: Sleeveless
€81.00 €235.00
tomato-red color magenta color silver color
favourite
Petite Elegant Cross Halter Ribbed Knit Maxi Dress
Petite
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KarenMillen

Petite Elegant Cross Halter Ribbed Knit Maxi Dress

  • Design: Plain
  • Neckline: Halterneck
  • Sleeve length: Sleeveless
€195.00
favourite
Petite Crystal Embellished Tie Detail Halter Neck Maxi Dress
Petite
View
KarenMillen

Petite Crystal Embellished Tie Detail Halter Neck Maxi Dress

  • Design: Plain
  • Fabric: Polyester
  • Sleeve length: Sleeveless
€259.00
favourite
Petite Forever Ponte And Georgette Jersey Pleated Maxi Dress
Petite
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KarenMillen

Petite Forever Ponte And Georgette Jersey Pleated Maxi Dress

  • Fabric: Jersey
  • Length: Maxi
  • Style: Maxi Dress
€179.00
favourite
Drama Ruffle Asymmetric Mini Dress
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KarenMillen

Drama Ruffle Asymmetric Mini Dress

  • Detail: Ruffle
  • Length: Mini
  • Sleeve length: Sleeveless
€44.00 €129.00
red color black color
favourite
Petite Drapey Crepe Ruched Detail Maxi Dress
Petite
View
KarenMillen

Petite Drapey Crepe Ruched Detail Maxi Dress

  • Fabric: Acetate slinky
  • Length: Maxi
  • Style: Maxi Dress
€195.00
favourite
Viscose Linen Woven Pintuck Midi Dress
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KarenMillen

Viscose Linen Woven Pintuck Midi Dress

  • Fabric: Linen Mix
  • Length: Midi
  • Neckline: Crew
€62.00 €179.00
lemon color white color
favourite
Bead Detail Cotton Poplin Bardot Midi Dress
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KarenMillen

Bead Detail Cotton Poplin Bardot Midi Dress

  • Detail: Plain
  • Neckline: Square
  • Style: Midi Dress
€49.00 €145.00
favourite
Petite Twist Detail Studded Jersey Maxi Dress
Petite
View
KarenMillen

Petite Twist Detail Studded Jersey Maxi Dress

  • Design: Plain
  • Detail: Studded
  • Length: Maxi
€235.00
olive color black color
favourite
Figure Form Woven Bandage Mix Dress
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KarenMillen

Figure Form Woven Bandage Mix Dress

  • Detail: Knitted
  • Sleeve length: Sleeveless
  • Style: Midi Dress
€59.00 €169.00
ivory color blue color
favourite
Cotton Halter Neck Woven Midi Dress With Dropped Waist Detail
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KarenMillen

Cotton Halter Neck Woven Midi Dress With Dropped Waist Detail

  • Design: Plain
  • Detail: Plain
  • Neckline: Crew
€155.00
mango color cobalt color
favourite
Drama Ruffle Asymmetric Midi Dress
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KarenMillen

Drama Ruffle Asymmetric Midi Dress

  • Design: Plain
  • Neckline: One Shoulder
  • Style: Midi Dress
€53.00 €155.00
favourite
Viscose Georgette Ruffle Sleeveless Woven Midi Dress
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KarenMillen

Viscose Georgette Ruffle Sleeveless Woven Midi Dress

  • Length: Midi
  • Neckline: Round Neck
  • Style: Midi Dress
€81.00 €235.00
favourite
Double Cloth Balloon Sleeve Midi Dress
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KarenMillen

Double Cloth Balloon Sleeve Midi Dress

  • Fabric: Woven
  • Neckline: Round Neck
  • Sleeve length: Short Sleeve
€68.00 €195.00
favourite
Abstract Print Viscose Linen Woven Ruffle Sleeve Midi Dress
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KarenMillen

Abstract Print Viscose Linen Woven Ruffle Sleeve Midi Dress

  • Design: All Over Print
  • Fabric: Woven
  • Neckline: Round Neck
€68.00 €195.00
favourite
Premium Crystal Embellished Cross Back Maxi Dress
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KarenMillen

Premium Crystal Embellished Cross Back Maxi Dress

  • Fabric: Viscose
  • Neckline: Halterneck
  • Style: Maxi Dress
€259.00
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