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Midi Occasion Dresses

Our midi occasion dresses are designed to celebrate every moment. Sleek, figure-flattering silhouettes and gently flowing shapes move with effortless grace, carrying you from daytime celebrations to evening soirées. Luxurious satin, chiffon, crepe, and lace add texture and fluidity, while thoughtful details elevate each design. From soft pastels to deep jewel tones, these dresses are made to leave a lasting impression. For weddings, milestone celebrations and dinner parties, explore our collection of midi dresses for special occasions.
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favourite
Mesh With Velvet Bow Trim Detail Halter Neck Midi Dress
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KarenMillen

Mesh With Velvet Bow Trim Detail Halter Neck Midi Dress

  • Design: Plain
  • Neckline: Halterneck
  • Style: Midi Dress
£89.00
favourite
Mesh With Velvet Bow Trim Detail Long Sleeve Midi Dress
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KarenMillen

Mesh With Velvet Bow Trim Detail Long Sleeve Midi Dress

  • Detail: Mesh
  • Fabric: Nylon
  • Neckline: Halterneck
£99.00
favourite
Crystal Embellished Ruched Detail Sleeveless Midi Dress
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KarenMillen

Crystal Embellished Ruched Detail Sleeveless Midi Dress

  • Detail: Embellished
  • Fabric: Polyester
  • Style: Midi Dress
£90.00 £179.00
favourite
Crystal Embellished Ruched Detail Sleeveless Midi Dress
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KarenMillen

Crystal Embellished Ruched Detail Sleeveless Midi Dress

  • Fabric: Polyester
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£53.00 £179.00
favourite
Embellished Bow Mini Dress With Embellished Detailing
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KarenMillen

Embellished Bow Mini Dress With Embellished Detailing

  • Design: Bow
  • Fabric: Viscose
  • Neckline: Boat Neck
£103.20 £129.00
favourite
Studded Ponte Jersey Midi Dress
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KarenMillen

Studded Ponte Jersey Midi Dress

  • Design: Plain
  • Length: Midi
  • Style: Midi Dress
£90.30 £129.00
navy color chocolate color
favourite
All Over Studded Detail Knitted Midi Dress
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KarenMillen

All Over Studded Detail Knitted Midi Dress

  • Detail: Stud
  • Fabric: Viscose
  • Sleeve length: Sleeveless
£159.00
black color berry 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

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Knitted Dress
£47.00 £189.00
favourite
Drama Ruffle Asymmetric Midi Dress
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KarenMillen

Drama Ruffle Asymmetric Midi Dress

  • Detail: Ruffle
  • Length: Midi
  • Style: mididress
£48.00 £119.00
favourite
Figure Form Bandage Asymmetric Strap Knit Midi Dress
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KarenMillen

Figure Form Bandage Asymmetric Strap Knit Midi Dress

  • Detail: Plain
  • Length: Midi
  • Sleeve length: Strappy
£129.00
black color neutral color light-blue color mint color
favourite
Off The Shoulder Brushed Textured Jersey Midi Dress
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KarenMillen

Off The Shoulder Brushed Textured Jersey Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£30.00 £99.00
raspberry color khaki color
favourite
Figure Form Bandage Knit Rosette Detail Midi Dress
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KarenMillen

Figure Form Bandage Knit Rosette Detail Midi Dress

  • Length: Midi
  • SleeveLength: Short Sleeve
  • Style: Knitted Dress
£45.00 £149.00
blush color black color
favourite
Viscose Georgette Ruffle Sleeveless Woven Midi Dress
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KarenMillen

Viscose Georgette Ruffle Sleeveless Woven Midi Dress

  • Detail: Ruffle
  • Fabric: Woven
  • Length: Midi
£89.00 £179.00
favourite
Petite Embellished Bow Mini Dress With Embellished Detailing
Petite
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KarenMillen

Petite Embellished Bow Mini Dress With Embellished Detailing

  • Detail: Embellished
  • Fabric: Viscose
  • Neckline: Boat Neck
£103.20 £129.00
favourite
Stripe Fabric Detail Fluid Short Sleeve Midi Dress
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KarenMillen

Stripe Fabric Detail Fluid Short Sleeve Midi Dress

  • Design: Stripes
  • Detail: Plain
  • Sleeve length: Short Sleeve
£89.00 £179.00
pink color black color
favourite
Petite Premium Crystal Embellished Midi Dress
Petite
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KarenMillen

Petite Premium Crystal Embellished Midi Dress

  • Detail: Embellished
  • Length: Midi
  • Sleeve length: Sleeveless
£229.00
pink color chocolate color baby-blue color
favourite
Viscose Linen Floral Print Woven Prom Dress
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KarenMillen

Viscose Linen Floral Print Woven Prom Dress

  • Design: Print
  • Length: Midi
  • Neckline: Square
£109.00 £219.00
favourite
Compact Stretch Diamante Trim Detail Column Dress
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KarenMillen

Compact Stretch Diamante Trim Detail Column Dress

  • Detail: Embellished
  • Length: Midi
  • Neckline: High Neck
£199.20 £249.00
ivory color black color
favourite
Figure Form Bandage Feather Detail Bandeau Knit Midi Dress
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KarenMillen

Figure Form Bandage Feather Detail Bandeau Knit Midi Dress

  • Occasion: Occasion
  • SleeveLength: Sleeveless
  • Style: Knitted Dress
£71.00 £179.00
favourite
Premium Slinky Crepe Scarf Detail Mini Dress
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KarenMillen

Premium Slinky Crepe Scarf Detail Mini Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Mini Dress
£47.00 £189.00
favourite
Premium Crystal Embellished Jersey Sleeveless Plunge Neck Midi Dress
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KarenMillen

Premium Crystal Embellished Jersey Sleeveless Plunge Neck Midi Dress

  • Detail: Plain
  • Length: Midi
  • Sleeve length: Sleeveless
£174.30 £249.00
favourite
Beaded Fringed Sleeveless Woven Midi Dress
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KarenMillen

Beaded Fringed Sleeveless Woven Midi Dress

  • Fabric: Woven
  • Length: Midi
  • Style: Midi Dress
£114.00 £379.00
orange color lime color
favourite
Taffeta Mix Asymmetric Midi Dress
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KarenMillen

Taffeta Mix Asymmetric Midi Dress

  • Design: Plain
  • Fabric: Taffeta
  • Neckline: Asymmetric
£174.30 £249.00
favourite
Plus Size Double Breasted Belted Tipped Tailored Midi Dress
Plus
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KarenMillen

Plus Size Double Breasted Belted Tipped Tailored Midi Dress

  • Detail: Buttons
  • Length: Midi
  • Sleeve length: Sleeveless
£160.30 £229.00
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
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
£68.00 £169.00
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Guipure Lace High Neck Woven Midi Dress
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KarenMillen

Guipure Lace High Neck Woven Midi Dress

  • Fabric: Woven
  • Neckline: V Neck
  • Style: Midi Dress
£181.30 £259.00
pale-blue color purple color
favourite
Compact Stretch Colour Block Tailored Halter Neck Midi Dress
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KarenMillen

Compact Stretch Colour Block Tailored Halter Neck Midi Dress

  • Design: Colour Block
  • Length: Midi
  • Neckline: Halterneck
£69.00 £229.00
mono color hot-pink color
favourite
Boucle Tailored Sleeveless Satin Mix Full Skirted Midi Dress
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KarenMillen

Boucle Tailored Sleeveless Satin Mix Full Skirted Midi Dress

  • Detail: Plain
  • Fabric: Polyester
  • Style: Midi Dress
£160.30 £229.00
favourite
Cornelli Embellished Taffeta Prom Dress
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KarenMillen

Cornelli Embellished Taffeta Prom Dress

  • Detail: Embellished
  • Length: Midi
  • Style: Prom Dress
£153.00 £339.00
favourite
Tailored Compact Stretch Viscose Cape Mesh Panel Midi Dress
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KarenMillen

Tailored Compact Stretch Viscose Cape Mesh Panel Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • Style: Midi Dress
£195.30 £279.00
ivory color black color
favourite
Crystal Embellished Midi Dress
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KarenMillen

Crystal Embellished Midi Dress

  • Fabric: Woven
  • Neckline: Strappy
  • Sleeve length: Strappy
£72.00 £239.00
wine color green color
favourite
Plus Size Textured Satin Ruffle Detail Midi Dress
Plus
View
KarenMillen

Plus Size Textured Satin Ruffle Detail Midi Dress

  • Design: Plain
  • Length: Midi
  • Sleeve length: Short Sleeve
£104.30 £149.00
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
£97.30 £139.00
favourite
Figure Form Bandage Fringe Knit Halter Neck Midi Dress
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KarenMillen

Figure Form Bandage Fringe Knit Halter Neck Midi Dress

  • Fabric: Polyester
  • Length: Midi
  • Style: Midi Dress
£104.30 £149.00
black color red color
favourite
Figure Form Bandage Rosette Knit Midi Dress
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KarenMillen

Figure Form Bandage Rosette Knit Midi Dress

  • Detail: Ruffle
  • Fabric: Polyester
  • Length: Midi
£54.00 £119.00
mono color blush color
favourite
Satin Twill Trim Detail Structured Asymmetric Neck Tailored Midi Dress
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KarenMillen

Satin Twill Trim Detail Structured Asymmetric Neck Tailored Midi Dress

  • Length: Midi
  • Neckline: Asymmetric
  • Style: Midi Dress
£60.00 £199.00
magenta color pale-blue color orange color gold color green color ivory color lime color
favourite
Satin Tux Back Detail Tailored Midi Dress
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KarenMillen

Satin Tux Back Detail Tailored Midi Dress

  • Detail: Plain
  • Length: Midi
  • Style: Tailored Dress
£79.00 £199.00
pale-blue color ivory color
favourite
Spot Jacquard Square Neck Tailored Full Skirted Midi Dress
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KarenMillen

Spot Jacquard Square Neck Tailored Full Skirted Midi Dress

  • Fabric: Polyester
  • Length: Midi
  • Style: Midi Dress
£100.00 £249.00
favourite
Premium Tailored Linen High Neck One Shoulder Full Midi Dress
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KarenMillen

Premium Tailored Linen High Neck One Shoulder Full Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£116.00 £289.00
red color champagne color
favourite
Premium Viscose Linen Tailored Belted Full Skirted Midi Dress
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KarenMillen

Premium Viscose Linen Tailored Belted Full Skirted Midi Dress

  • Length: Midi
  • Neckline: V Neck
  • Style: Midi Dress
£135.00 £269.00
pale-pink color chocolate color pale-blue color ivory color
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