1. Home
  2. OCCASION WEAR
  3. Formal Wear
  4. Formal Dresses

Formal Dresses
Formal Dresses

Get ready to head back to the office and keep up appearances with formal dresses, no matter the dress code. Need work dresses for the office? Think formal dresses such as office-friendly midi dresses or smart dresses with long sleeves and classic silhouettes. Classic dress code? Our office dresses edit is bustling with head-turning traditional pieces with contemporary twists. Smart / casual? Throw on a tailored formal dress with intricate details such as pleats and luxury belts.

Refine by

From £
to £

Refine by
Sort by
94 Products
View
Sort by
  • KarenMillen
    Drama Halter Pleat Insert Woven Maxi Dress
    £149.00 £89.40 ( -40 % off )
  • KarenMillen
    One Shoulder Embellished Woven Maxi Dress
    £279.00 £167.40 ( -40 % off )
  • PETITE 5'3 AND UNDER
    KarenMillen
    Petite Premium Viscose Jersey Crepe Cowl Neck Maxi Dress
    £199.00 £60.00 ( -70 % off )
  • KarenMillen
    Floral Applique Organdie Woven Bandeau Maxi Dress
    £349.00 £209.40 ( -40 % off )
  • KarenMillen
    Halter Neck Pleated Woven Maxi Dress
    £149.00 £89.40 ( -40 % off )
  • KarenMillen
    Plus Size Structured Crepe Forever Pleat Dress
    £219.00 £175.20 ( -20 % off )
  • KarenMillen
    Enamel Chain Detail Halter Maxi Dress
    £229.00 £137.40 ( -40 % off )
  • KarenMillen
    Premium Viscose Linen Tailored Ruffle Pencil Midi Dress
    £199.00 £119.40 ( -40 % off )
  • PETITE 5’3 AND UNDER
    KarenMillen
    Petite Floral Halter Diamante Enamel Trim Woven Pleated Split Maxi Dress
    £349.00 £209.40 ( -40 % off )
  • PLUS SIZE
    KarenMillen
    Lydia Millen Plus Size Linen Wrap Tie Waisted Maxi Dress
    £249.00 £199.20 ( -20 % off )
  • PETITE 5'3 AND UNDER
    KarenMillen
    Petite Pearl And Diamante Embellished Tailored Pencil Dress
    £269.00 £161.40 ( -40 % off )
  • BESTSELLER
    KarenMillen
    Sheer Georgette Cutwork Strappy Woven Maxi Dress
    £259.00 £155.40 ( -40 % off )
  • PETITE 5'3 AND UNDER
    KarenMillen
    Petite Enamel Chain Detail Halter Maxi Dress
    £229.00 £137.40 ( -40 % off )
  • KarenMillen
    Soft Tailored Waist Drape Corset Maxi Dress
    £279.00 £167.40 ( -40 % off )
  • KarenMillen
    Sheer Georgette Cutwork Balloon Sleeve Woven Maxi Dress
    £359.00 £215.40 ( -40 % off )
  • BESTSELLER
    KarenMillen
    Embellished Detail Drapey Woven Maxi Dress
    £629.00 £377.40 ( -40 % off )
  • KarenMillen
    Pleated Long Sleeve Woven Mini Dress
    £149.00 £89.40 ( -40 % off )
  • KarenMillen
    Figure Form Bandage Ruffle Hem Halter Knit Midi Dress
    £119.00 £71.40 ( -40 % off )
  • KarenMillen
    Enamel Chain Detail Kimono Maxi Dress
    £239.00 £143.40 ( -40 % off )
  • PLUS SIZE
    KarenMillen
    Plus Size Liquid Shine One Shoulder Woven Sequin Dress
    £129.00
  • KarenMillen
    Compact Stretch Viscose Tie Neck Tailored Full Skirted Midi Dress
    £249.00 £149.40 ( -40 % off )
  • KarenMillen
    Liquid Shine Strappy Cowl Neck Woven Sequin Dress
    £139.00 £111.20 ( -20 % off )
  • KarenMillen
    Tall Soft Tailored Pleated Panel Midaxi Dress
    £189.00 £151.20 ( -20 % off )
  • KarenMillen
    Compact Stretch Jacquard Insert Split Front Midaxi Dress
    £199.00 £119.40 ( -40 % off )
  • KarenMillen
    Cut Out Crystal Embellished Woven Maxi Dress
    £299.00 £179.40 ( -40 % off )
  • PETITE 5'3 and under
    KarenMillen
    Petite Structured Crepe Roll Neck Belted Tailored Midi Dress
    £199.00 £159.20 ( -20 % off )
  • PETITE 5'3 AND UNDER
    KarenMillen
    Petite Compact Stretch Bow Tie Neck Full Skirted Midi Dress
    £239.00
  • KarenMillen
    Soft Tailored Asymmetric Sleeve Midi Dress
    £189.00 £113.40 ( -40 % off )
  • PETITE 5'3 AND UNDER
    KarenMillen
    Petite Halter Neck Pleated Woven Maxi Dress
    £149.00 £89.40 ( -40 % off )
  • KarenMillen
    Metallic Boucle Tailored Ruched Midi Dress
    £99.00
  • PETITE 5'3 AND UNDER
    KarenMillen
    Petite Liquid Shine Strappy Cowl Neck Woven Sequin Dress
    £139.00 £83.40 ( -40 % off )
  • KarenMillen
    Tulle Bandeau Tiered Midi Dress
    £169.00 £135.20 ( -20 % off )
  • KarenMillen
    Liquid Shine One Shoulder Woven Sequin Dress
    £129.00
  • KarenMillen
    Jersey Crepe Drape Detail Mini Dress
    £119.00
  • PETITE 5'3 and under
    KarenMillen
    Petite Structured Crepe Roll Neck Belted Tailored Midi Dress
    £199.00 £159.20 ( -20 % off )
  • PLUS SIZE
    KarenMillen
    Plus Size Enamel Chain Detail Kimono Maxi Dress
    £239.00 £143.40 ( -40 % off )
  • TALL 5'10 AND OVER
    KarenMillen
    Tall Pleated Long Sleeve Woven Mini Dress
    £159.00 £95.40 ( -40 % off )
  • PETITE 5’3 AND UNDER
    KarenMillen
    Petite Embellished Detail Drapey Woven Maxi Dress
    £629.00 £377.40 ( -40 % off )
  • KarenMillen
    Figure Form Bandage Knit Eyelet Cross Back Detail Mini Dress
    £89.00 £53.40 ( -40 % off )
  • PLUS SIZE
    KarenMillen
    Plus Size Premium Embellished Caped Maxi Dress
    £399.00
  • KarenMillen
    Placed Floral Crystal Embellished Tailored Drama Cape Maxi Dress
    £499.00 £299.40 ( -40 % off )
  • KarenMillen
    Figure Form Bandage Knit Woven Bardot And Skirt Detail Dress
    £89.00 £53.40 ( -40 % off )
  • KarenMillen
    Pleated Cape Sleeve Plunge Neck Maxi Dress
    £129.00 £77.40 ( -40 % off )
  • PETITE 5'3 AND UNDER
    KarenMillen
    Petite Pleated Cape Sleeve Plunge Neck Maxi Dress
    £129.00 £77.40 ( -40 % off )
  • PETITE 5'3 AND UNDER
    KarenMillen
    Petite Structured Crepe Roll Neck Belted Tailored Midi Dress
    £199.00 £159.20 ( -20 % off )
  • KarenMillen
    Figure Form Bandage Knit V Neck Fringe Mini Dress
    £119.00 £71.40 ( -40 % off )
  • PETITE 5'3 AND UNDER
    KarenMillen
    Petite Compact Stretch Viscose Cape Mesh Panel Tailored Midi Dress
    £279.00 £223.20 ( -20 % off )
  • KarenMillen
    Compact Viscose Big Corsage Detail Tailored Halterneck Midaxi Dress
    £249.00 £149.40 ( -40 % off )
  • KarenMillen
    Crystal Embellished Premium Scuba Jersey Mini Dress
    £219.00 £131.40 ( -40 % off )
  • KarenMillen
    Tulle Bandeau Tiered Midi Dress
    £139.00
  • KarenMillen
    Crystal Applique Angel Sleeve Woven Maxi Dress
    £489.00 £147.00 ( -70 % off ) Sale
  • KarenMillen
    Military Tailored Mini Dress
    £179.00 £143.20 ( -20 % off )
  • KarenMillen
    Military Tailored Mini Dress
    £179.00 £143.20 ( -20 % off )
  • KarenMillen
    Crystal Embellished Tailored Blazer Mini Dress
    £449.00 £225.00 ( -50 % off ) Sale
  • KarenMillen
    Premium Embellished Ponte Jersey Midi Dress
    £199.00 £139.00 ( -30 % off ) Sale
  • KarenMillen
    Compact Stretch Tailored Forever Belted Midi Dress
    £199.00 £159.20 ( -20 % off )
  • KarenMillen
    Compact Stretch Tailored Midi Prom Dress
    £229.00 £115.00 ( -50 % off ) Sale
  • KarenMillen
    Italian Structured Rib Asymmetric Neckline Draped Tailored Maxi Dress
    £249.00 £125.00 ( -50 % off ) Sale
  • BESTSELLER
    KarenMillen
    Compact Stretch Tailored Forever Belted Midi Dress
    £199.00 £159.20 ( -20 % off )
  • KarenMillen
    Military Tailored Mini Dress
    £179.00 £143.20 ( -20 % off )
  • KarenMillen
    High Neck Embellished Ruched Georgette Woven Maxi Dress
    £349.00 £209.40 ( -40 % off )
  • KarenMillen
    Jersey Crepe Ruched Long Sleeve Mini Dress
    £79.00 £47.40 ( -40 % off )
  • KarenMillen
    Viscose Woven Panelled Crystal Mesh Maxi Dress
    £279.00 £112.00 ( -60 % off ) Sale
  • KarenMillen
    Military Tailored Mini Dress
    £179.00 £143.20 ( -20 % off )
  • KM ARCHIVE
    KarenMillen
    Archive Collection - Taffeta Draped Shoulder Mini Dress
    £229.00 £69.00 ( -70 % off ) Sale
  • KarenMillen
    Tailored Compact Stretch Viscose Cape Mesh Panel Midi Dress
    £279.00 £223.20 ( -20 % off )
  • KarenMillen
    Compact Stretch Off Shoulder Button Through Tailored Midaxi Pencil Dress
    £229.00 £115.00 ( -50 % off ) Sale
  • TALL 5'10 AND OVER
    KarenMillen
    Tall Compact Stretch Off Shoulder Button Through Tailored Midaxi Pencil Dress
    £229.00 £115.00 ( -50 % off ) Sale
  • PETITE 5'3 AND UNDER
    KarenMillen
    Archive Collection - Petite Taffeta Draped Shoulder Mini Dress
    £229.00 £69.00 ( -70 % off ) Sale
  • KarenMillen
    Tailored Applique Satin Beaded Maxi Dress
    £499.00 £399.20 ( -20 % off )
  • KarenMillen
    Crystal Applique Woven Maxi Cape
    £419.00 £335.20 ( -20 % off )
  • PETITE 5'3 AND UNDER
    KarenMillen
    Petite Crystal Applique Woven Maxi Cape
    £419.00 £251.40 ( -40 % off )
  • PLUS SIZE
    KarenMillen
    Plus Size Crystal Embellished Tailored Blazer Mini Dress
    £449.00 £225.00 ( -50 % off ) Sale
  • BESTSELLER
    KarenMillen
    Tailored Tuxedo Wrap Mini Dress
    £199.00 £119.00 ( -40 % off ) Sale
  • PETITE 5'3 AND UNDER
    KarenMillen
    Petite Italian Structured Rib Asymmetric Neckline Draped Tailored Maxi Dress
    £249.00 £125.00 ( -50 % off ) Sale
  • BESTSELLER
    KarenMillen
    Tailored Tuxedo Wrap Mini Dress
    £199.00 £60.00 ( -70 % off ) Sale
  • KarenMillen
    Tailored Structured Crepe Roll Neck Pencil Midi Dress
    £199.00 £159.20 ( -20 % off )
  • KarenMillen
    Bandage Form Fitting Zip Detail Midi Dress
    £129.00 £103.20 ( -20 % off )

Formal Dresses for Women