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Long Sleeve Formal Midi Dresses

Polished professionalism, structured occasionwear and power styling combined, our formal midi dress with sleeves edit is the ultimate collection of fashion-informed formalwear. Below, you’ll find iterations of the long sleeve formal midi dress as it appears in contoured bodycon silhouettes, cozy turtleneck knits and tailored shirt dresses. Expect luxury textiles such as buttery leather, knitted jersey, structured crêpe, woven jacquard, and our revered Compact Stretch fabric that offers four-way support, as well as draped alternatives such as languid silk, elegant linen, flowing chiffon, and cascading organza. With dramatic puffed sleeves, belted waists, wrap bodices, waterfall hems, draped skirts, collared necklines and more, find your custom piece from the long sleeve midi dress formal collection.

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favourite
Embellished Figure Form And Chiffon Sleeve Midi Dress
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KarenMillen

Embellished Figure Form And Chiffon Sleeve Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Knitted Dress
$109.00 $379.00
favourite
Viscose Blend Slinky Batwing Button Neck Knit Midi Dress
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KarenMillen

Viscose Blend Slinky Batwing Button Neck Knit Midi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Knitted Dress
$129.00 $259.00
black color green color
favourite
Petite Embellished Figure Form And Chiffon Sleeve Midi Dress
Petite
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KarenMillen

Petite Embellished Figure Form And Chiffon Sleeve Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • Style: Knitted Dress
$109.00 $379.00
favourite
Bandage Collared Knitted Midi Dress With Sheer Sleeve
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KarenMillen

Bandage Collared Knitted Midi Dress With Sheer Sleeve

  • Length: Midi
  • Occasion: Occasion
  • Style: Knitted Dress
$279.00
favourite
Viscose Satin Long Sleeve Bias Cut Woven Midi Dress
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KarenMillen

Viscose Satin Long Sleeve Bias Cut Woven Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$59.00 $239.00
favourite
Petite Applique Organdie Buttoned Woven Midi Dress
Petite
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KarenMillen

Petite Applique Organdie Buttoned Woven Midi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$179.00 $739.00
favourite
Animal Stretch Velvet Devore Midi Dress
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KarenMillen

Animal Stretch Velvet Devore Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • Style: Midi Dress
$179.00
favourite
Baroque Organdie Applique And Beaded Bell Sleeve Woven Midi Dress
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KarenMillen

Baroque Organdie Applique And Beaded Bell Sleeve Woven Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$239.00 $799.00
navy color blush color
favourite
Plus Size Sequin Plunge Cowl Neck Strong Shoulder Long Sleeve Midi Dress
Plus
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KarenMillen

Plus Size Sequin Plunge Cowl Neck Strong Shoulder Long Sleeve Midi Dress

  • Length: Midi
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
$299.00
favourite
Petite Stretch Velvet Taping Detail Mesh Plunge Neck Cut Out Back Midi Dress
Petite
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KarenMillen

Petite Stretch Velvet Taping Detail Mesh Plunge Neck Cut Out Back Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$259.00
favourite
Sequin Plunge Cowl Neck Strong Shoulder Long Sleeve Midi Dress
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KarenMillen

Sequin Plunge Cowl Neck Strong Shoulder Long Sleeve Midi Dress

  • Length: Midi
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
$299.00
favourite
Petite Viscose Satin Long Sleeve Bias Cut Woven Midi Dress
Petite
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KarenMillen

Petite Viscose Satin Long Sleeve Bias Cut Woven Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • Style: Midi Dress
$49.00 $199.00
favourite
Plus Size Baroque Organdie Applique And Beaded Bell Sleeve Woven Midi Dress
Plus
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KarenMillen

Plus Size Baroque Organdie Applique And Beaded Bell Sleeve Woven Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • Style: Midi Dress
$319.00 $799.00
favourite
Graduated Stripe Viscose Satin Bias Midi Dress
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KarenMillen

Graduated Stripe Viscose Satin Bias Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$49.00 $199.00
favourite
Scuba Drama Tulle Detail Cuff Woven Midi Dress
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KarenMillen

Scuba Drama Tulle Detail Cuff Woven Midi Dress

  • Length: Midi
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
$279.00
favourite
Premium Crystal Embellished Jersey Long Sleeve Plunge Neck Midi Dress
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KarenMillen

Premium Crystal Embellished Jersey Long Sleeve Plunge Neck Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$499.00
favourite
Garden Floral Woven Viscose Satin Midi Dress
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KarenMillen

Garden Floral Woven Viscose Satin Midi Dress

  • Length: Midi
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
$119.00 $479.00
favourite
Structured Crepe Keyhole Rounded A Line Midi Dress
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KarenMillen

Structured Crepe Keyhole Rounded A Line Midi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: A-Line Dress
$20.00 $359.00
favourite
Premium Crystal Embellished Jersey Long Sleeve Plunge Neck Midi Dress
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KarenMillen

Premium Crystal Embellished Jersey Long Sleeve Plunge Neck Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • Style: Midi Dress
$479.00
favourite
Structured Crepe Long Sleeve Tailored Pencil Midi Dress
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KarenMillen

Structured Crepe Long Sleeve Tailored Pencil Midi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Pencil Dress
$119.00 $479.00
black color dusty-blue color
favourite
Petite Viscose Blend Slinky Batwing Button Neck Knit Midi Dress
Petite
View
KarenMillen

Petite Viscose Blend Slinky Batwing Button Neck Knit Midi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Knitted Dress
$259.00
favourite
Stretch Velvet Taping Detail Mesh Plunge Neck Cut Out Back Midi Dress
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KarenMillen

Stretch Velvet Taping Detail Mesh Plunge Neck Cut Out Back Midi Dress

  • Length: Midi
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
$259.00
black color plum color
favourite
Clean Tailored Asymmetric Neckline Draped Midi Dress
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KarenMillen

Clean Tailored Asymmetric Neckline Draped Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • Style: Midi Dress
$99.00 $399.00
favourite
Applique And Embroidered Organdie Woven Maxi Bandeau Dress With Beading
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KarenMillen

Applique And Embroidered Organdie Woven Maxi Bandeau Dress With Beading

  • Length: Midi
  • Occasion: Occasion
  • Style: Midaxi Dress
$159.00 $799.00
favourite
Satin Back Crepe Tuxedo Midi Dress
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KarenMillen

Satin Back Crepe Tuxedo Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • Style: Midi Dress
$30.00 $439.00
favourite
Plus Size Animal Stretch Velvet Devore Midi Dress
Plus
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KarenMillen

Plus Size Animal Stretch Velvet Devore Midi Dress

  • Length: Midi
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
$179.00
favourite
Lace Petal Applique Balloon Sleeve Woven Midi Dress
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KarenMillen

Lace Petal Applique Balloon Sleeve Woven Midi Dress

  • Length: Midi
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
$119.00 $479.00
favourite
Petite Mono Floral Woven Viscose Satin Midi Dress
Petite
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KarenMillen

Petite Mono Floral Woven Viscose Satin Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$79.00 $399.00
favourite
Metallic Boucle Tailored Ruched Midi Dress
Tall
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KarenMillen

Metallic Boucle Tailored Ruched Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$129.00 $259.00
ivory color black color
favourite
Petite Lace Petal Applique Woven Midi Dress
Petite
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KarenMillen

Petite Lace Petal Applique Woven Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • Style: Midi Dress
$129.00 $539.00
favourite
Viscose Satin Woven Midi Dress
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KarenMillen

Viscose Satin Woven Midi Dress

  • Length: Midi
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
$89.00 $459.00
favourite
Compact Stretch Asymmetric Neckline Draped Midi Dress
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KarenMillen

Compact Stretch Asymmetric Neckline Draped Midi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
$109.00 $439.00
favourite
Petite Satin Woven Crepe Long Sleeve Midi Dress
Petite
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KarenMillen

Petite Satin Woven Crepe Long Sleeve Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • Style: Midi Dress
$59.00 $439.00
favourite
Mirrored Placed Floral Leather Trim Kimono Woven Midi Dress
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KarenMillen

Mirrored Placed Floral Leather Trim Kimono Woven Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$89.00 $359.00
favourite
Plus Size Figure Form Bandage Knit Split Feather Hem Maxi Dress
Plus
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KarenMillen

Plus Size Figure Form Bandage Knit Split Feather Hem Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Knitted Dress
$109.00 $379.00
favourite
Petite Compact Stretch Viscose One Shoulder Full Skirt Dress
Petite
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KarenMillen

Petite Compact Stretch Viscose One Shoulder Full Skirt Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Full Skirted Dress
$109.00 $559.00
favourite
Petite Satin Back Crepe One Shoulder Drape Midi Dress
Petite
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KarenMillen

Petite Satin Back Crepe One Shoulder Drape Midi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
$99.00 $399.00
favourite
Crystal Embellished Cross Front Woven Midi Dress
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KarenMillen

Crystal Embellished Cross Front Woven Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$179.00 $599.00
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
$169.00 $559.00
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