Skip to main content
Close Search
Clear Search Input
search button Go to account Go to wishlist Go to cart

Long Cocktail Dresses

Empowered aesthetics are elongated with elegant appeal for this long cocktail dresses collection. This after-dark collection appears in a captivating canvas of color, with the sleek long black cocktail dresses offsetting a vibrant palette of bold brights, regal reds, rich jewel tones, and refined neutrals aplenty. Below, you’ll find long cocktail dresses that appear in premium materials such as silky satin twill, structured crêpe, and flowing organza, offset by sculpting jersey, jacquard, and four-way support Compact Stretch. Ready to captivate the crowd, this elevated edit appears with unique details, including feather cuffs, sequins, floral jacquard, embroidery, and embellishments. Discover more below.
Read More
351 products

Filters

Size Open or Close section Open or Close section
Colour Open or Close section Open or Close section
Price Open or Close section Open or Close section
Fabric Open or Close section Open or Close section
Gender Open or Close section Open or Close section
Occasion Open or Close section Open or Close section
Shop by Fit Open or Close section Open or Close section
Style Open or Close section Open or Close section
Search for style
  • No results found
Design Open or Close section Open or Close section
Length Open or Close section Open or Close section
Detail Open or Close section Open or Close section
Neckline Open or Close section Open or Close section
Sleeve length Open or Close section Open or Close section
Sort:   Relevance
Open or Close section
  • Price: Low-high
  • Price: High-Low
  • Sort: Relevance
  • Sort: Best Sellers
  • Sort: Newness
favourite
Contrast Wave Knit A-Line Knitted Strappy Dress
View
KarenMillen

Contrast Wave Knit A-Line Knitted Strappy Dress

  • Length: Maxi
  • SleeveLength: Sleeveless
  • Style: Knitted Dress
£82.68 £159.00
light-blue color cream color mono color
favourite
Viscose Blend Slinky Drape Plunge Back Knit Maxi Dress
View
KarenMillen

Viscose Blend Slinky Drape Plunge Back Knit Maxi Dress

  • Fabric: Viscose
  • Length: Maxi
  • Sleeve length: Sleeveless
£67.08 £129.00
ivory color violet color
favourite
Beach Viscose Georgette Photographic Floral Beach Slip Dress
View
KarenMillen

Beach Viscose Georgette Photographic Floral Beach Slip Dress

  • Detail: Plain
  • Fabric: Viscose
  • Length: Maxi
£129.00
favourite
Beach Viscose Georgette Photographic Floral Beach Slip Dress
View
KarenMillen

Beach Viscose Georgette Photographic Floral Beach Slip Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Slip Dress
£129.00
favourite
Woven Sleeved Pleated Dress With Pu
View
KarenMillen

Woven Sleeved Pleated Dress With Pu

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Knitted Dress
£68.00 £169.00
ivory color stone color grey color burgundy color
favourite
Ombre Sunset Mesh Strappy Beach Dress
View
KarenMillen

Ombre Sunset Mesh Strappy Beach Dress

  • Design: Ombre
  • Detail: Plain
  • Neckline: V Neck
£79.00
favourite
Premium Slinky Crepe Embellished Cut Out Maxi Dress
View
KarenMillen

Premium Slinky Crepe Embellished Cut Out Maxi Dress

  • Fabric: Cotton
  • Length: Maxi
  • Neckline: Asymmetric
£139.00
favourite
Viscose Crepe Floral Long Sleeve Midi Dress
View
KarenMillen

Viscose Crepe Floral Long Sleeve Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£72.28 £139.00
favourite
Velvet Plunge Neck Taffeta Peplum Long Sleeve Mini Dress
View
KarenMillen

Velvet Plunge Neck Taffeta Peplum Long Sleeve Mini Dress

  • Length: Mini
  • Sleeve length: Long Sleeve
  • Style: Mini Dress
£35.00 £139.00
favourite
Viscose Blend Slinky Sheer Lace Detail Knit Maxi Dress
View
KarenMillen

Viscose Blend Slinky Sheer Lace Detail Knit Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Knitted Dress
£77.48 £149.00
ivory color orange color mono color
favourite
Scuba Scoop Neck Long Sleeve Mini Dress
View
KarenMillen

Scuba Scoop Neck Long Sleeve Mini Dress

  • Length: Mini
  • Sleeve length: Long Sleeve
  • Style: Mini Dress
£42.00 £139.00
favourite
Knitted Zip Neck Pu Mix Pleated Mini Dress
View
KarenMillen

Knitted Zip Neck Pu Mix Pleated Mini Dress

  • Length: Mini
  • SleeveLength: Long Sleeve
  • Style: Mini Dress
£45.00 £149.00
burgundy color black color
favourite
Premium Slinky Crepe Embellished Cut Out Maxi Dress
View
KarenMillen

Premium Slinky Crepe Embellished Cut Out Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£72.28 £139.00
black color nude color
favourite
Beach Metallic Thread Strappy Maxi Dress
Tall
View
KarenMillen

Beach Metallic Thread Strappy Maxi Dress

  • Detail: Plain
  • Fabric: Polyester
  • Style: beachdress
£89.00
favourite
Wool Blend Sheer Knitted Skirt Dress
View
KarenMillen

Wool Blend Sheer Knitted Skirt Dress

  • Length: Maxi
  • Occasion: Daywear
  • Style: Knitted Dress
£35.00 £139.00
taupe color ink color
favourite
Velvet Sleeveless Body With Taffeta Drop Waist Maxi Dress
View
KarenMillen

Velvet Sleeveless Body With Taffeta Drop Waist Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
£54.00 £179.00
favourite
Viscose Blend Stud Keyhole Detail Knit Mini Dress
View
KarenMillen

Viscose Blend Stud Keyhole Detail Knit Mini Dress

  • Occasion: Daywear
  • SleeveLength: Long Sleeve
  • Style: Mini Dress
£45.00 £129.00
black color magenta color
favourite
Knitted Zip Neck Pu Mix Pleated Midi Dress
View
KarenMillen

Knitted Zip Neck Pu Mix Pleated Midi Dress

  • Occasion: Daywear
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
£51.00 £169.00
black color stone color
favourite
Techno Cotton Woven Maxi Shirt Dress With Gold Clasps
View
KarenMillen

Techno Cotton Woven Maxi Shirt Dress With Gold Clasps

  • Length: Maxi
  • Occasion: Workwear
  • SleeveLength: Long Sleeve
£77.48 £149.00
favourite
Textured Hanky Hem Short Sleeve Trim Detail Jersey Maxi Dress
View
KarenMillen

Textured Hanky Hem Short Sleeve Trim Detail Jersey Maxi Dress

  • Length: Maxi
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
£39.00 £129.00
favourite
Crystal Embellished Cutwork Cape Detail Woven Maxi Dress
View
KarenMillen

Crystal Embellished Cutwork Cape Detail Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
£111.00 £369.00
black color purple color
favourite
Foil Metallic Figure Form Bandage Angel Sleeve Knit Maxi Dress
Tall
View
KarenMillen

Foil Metallic Figure Form Bandage Angel Sleeve Knit Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£77.48 £149.00
hot-pink color silver color
favourite
Viscose Blend Stud Keyhole Detail Knit Maxi Dress
View
KarenMillen

Viscose Blend Stud Keyhole Detail Knit Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£64.00 £159.00
cream color black color
favourite
Pleated Detail Cotton Long Sleeve Woven Midi Dress
View
KarenMillen

Pleated Detail Cotton Long Sleeve Woven Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£101.00 £169.00
olive color burgundy color white color black color
favourite
Viscose Linen Tie Strap Woven Prom Dress
View
KarenMillen

Viscose Linen Tie Strap Woven Prom Dress

  • Design: Plain
  • Detail: Plain
  • Sleeve length: Strappy
£199.00
red color hot-pink color
favourite
Baroque Balloon Sleeve Maxi Dress
View
KarenMillen

Baroque Balloon Sleeve Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Sleeve length: Long Sleeve
£199.00
favourite
Ponte And Textured Georgette Button Mix Cut Out Detail Pleated Maxi Dress
View
KarenMillen

Ponte And Textured Georgette Button Mix Cut Out Detail Pleated Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£61.88 £119.00
navy color ivory color
favourite
Blue Floral Off The Shoulder Shirred Woven Maxi Dress
View
KarenMillen

Blue Floral Off The Shoulder Shirred Woven Maxi Dress

  • Detail: Floral
  • Fabric: Woven
  • Sleeve length: Long Sleeve
£82.68 £159.00
favourite
Cotton Border Cutwork Maxi Dress With Ladder Lace Trim
View
KarenMillen

Cotton Border Cutwork Maxi Dress With Ladder Lace Trim

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£155.48 £299.00
favourite
Placed Chain Cotton Sateen Shirt Dress
View
KarenMillen

Placed Chain Cotton Sateen Shirt Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£77.48 £149.00
favourite
Cotton Poplin Pleat Detail Woven Midi Dress
View
KarenMillen

Cotton Poplin Pleat Detail Woven Midi Dress

  • Design: Plain
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£149.00
favourite
Abstract Floral Satin Crepe Woven Long Sleeve Midi Dress
View
KarenMillen

Abstract Floral Satin Crepe Woven Long Sleeve Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
£68.00 £169.00
favourite
Viscose Crepe Chain Print Long Sleeve Midi Dress
View
KarenMillen

Viscose Crepe Chain Print Long Sleeve Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£72.28 £139.00
favourite
Silk Cotton Scenic Print Balloon Sleeve Woven Maxi Dress
View
KarenMillen

Silk Cotton Scenic Print Balloon Sleeve Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£139.88 £269.00
favourite
Brush Stroke Print Twill Angel Sleeve Woven Maxi Dress
View
KarenMillen

Brush Stroke Print Twill Angel Sleeve Woven Maxi Dress

  • Detail: Plain
  • Length: Maxi
  • Sleeve length: Short Sleeve
£61.88 £119.00
favourite
Cotton Poplin Pleat Detail Halterneck Woven Maxi Dress
View
KarenMillen

Cotton Poplin Pleat Detail Halterneck Woven Maxi Dress

  • Detail: Pleated
  • Fabric: Woven
  • Length: Maxi
£98.28 £189.00
favourite
Compact Stretch Pu Mix Sleeveless Full Skirted Tailored Midi Dress
View
KarenMillen

Compact Stretch Pu Mix Sleeveless Full Skirted Tailored Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£62.00 £249.00
black color ivory color
favourite
Petite Viscose Blend Knit Sheer Skirt Maxi Dress
Petite
View
KarenMillen

Petite Viscose Blend Knit Sheer Skirt Maxi Dress

  • Occasion: Daywear
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£54.00 £179.00
favourite
Leopard Print Mesh Maxi Dress
View
KarenMillen

Leopard Print Mesh Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£36.00 £119.00
favourite
Abstract Print Viscose Linen Woven Halter Neck Maxi Dress
View
KarenMillen

Abstract Print Viscose Linen Woven Halter Neck Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£169.00
Showing 40 of 351
Back to main content