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Casual Wedding Guest Dresses

Curated for low-key nuptials, our casual wedding guest dress edit offers an elegant take on dress codes for events. Below, you’ll find casual wedding guest dresses made from easy-going textiles such as satin, silk, linen, and chiffon. Whether you’re attending a beach ceremony or an intimate garden celebrations, there’s a casual wedding guest outfit to match the mood. For laid-back outdoor ceremonies, consider lightweight fabrics, floral prints, and soft pastels. A flowy midi or maxi dress makes for a charming look at relaxed receptions. For destination weddings, opt for strappy sundresses or halter-neck styles in linen, cotton, or jersey. From flirty mini dresses to floor-sweeping casual wedding guest dresses, find the perfect fit below.

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favourite
Cotton Voile Maxi Beach Dress
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KarenMillen

Cotton Voile Maxi Beach Dress

  • Fabric: Woven
  • Neckline: Plunge
  • Style: Beach Dress
£79.20 £99.00
favourite
Abstract Animal Mesh Beach Dress
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KarenMillen

Abstract Animal Mesh Beach Dress

  • Fabric: Woven
  • Length: Midi
  • Style: Beach Dress
£55.20 £69.00
favourite
Ombre Sunset Mesh Strappy Beach Dress
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KarenMillen

Ombre Sunset Mesh Strappy Beach Dress

  • Detail: Plain
  • Fabric: Cotton Mix
  • Length: Maxi
£55.30 £79.00
favourite
Baroque Embroidered Long Sleeve Twill Woven Midi Dress
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KarenMillen

Baroque Embroidered Long Sleeve Twill Woven Midi Dress

  • Design: Embroidered
  • Detail: Embroidered
  • Length: Midi
£72.00 £239.00
favourite
Embroidered Detail Halterneck Dress
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KarenMillen

Embroidered Detail Halterneck Dress

  • Detail: Embroidered
  • Length: Midi
  • Neckline: Halterneck
£219.00
navy color ivory color
favourite
Plus Size Stripe Cotton Rosette Woven Shirt Maxi Dress
Plus
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KarenMillen

Plus Size Stripe Cotton Rosette Woven Shirt Maxi Dress

  • Occasion: Daywear
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£104.30 £149.00
favourite
Lace Halter Woven Midi Dress
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KarenMillen

Lace Halter Woven Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£189.00
favourite
Colour Block Fluid Tencel Woven Maxi Shirt Dress
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KarenMillen

Colour Block Fluid Tencel Woven Maxi Shirt Dress

  • Detail: Colour Block
  • Neckline: Collared
  • Sleeve length: Long Sleeve
£127.20 £159.00
red color mono color
favourite
Plunge Ruched Twist Jersey Maxi Dress
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KarenMillen

Plunge Ruched Twist Jersey Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£75.00 £189.00
favourite
Techno Cotton Woven Maxi Shirt Dress With Gold Clasps
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KarenMillen

Techno Cotton Woven Maxi Shirt Dress With Gold Clasps

  • Design: Contrast
  • Fabric: Cotton
  • Style: Maxi Dress
£119.20 £149.00
favourite
Silk Cotton Trailing Floral Puff Sleeve Midi Dress
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KarenMillen

Silk Cotton Trailing Floral Puff Sleeve Midi Dress

  • Detail: Floral
  • Neckline: V Neck
  • Style: Midi Dress
£153.30 £219.00
favourite
Cotton Poplin Contrast Stitch Belted Mini Dress
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KarenMillen

Cotton Poplin Contrast Stitch Belted Mini Dress

  • Design: Plain
  • Fabric: Woven
  • Sleeve length: Strappy
£69.30 £99.00
ivory color red color
favourite
Cotton Border Cutwork Maxi Dress With Ladder Lace Trim
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KarenMillen

Cotton Border Cutwork Maxi Dress With Ladder Lace Trim

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£209.30 £299.00
favourite
Viscose Crepe Abstract Halter Neck Midi Dress
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KarenMillen

Viscose Crepe Abstract Halter Neck Midi Dress

  • Length: Midi
  • Style: Midi Dress
£83.30 £119.00
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Abstract Print Viscose Linen Woven Halter Neck Maxi Dress
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KarenMillen

Abstract Print Viscose Linen Woven Halter Neck Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£118.30 £169.00
favourite
Soft Tailored Colourblock Shirt Dress
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KarenMillen

Soft Tailored Colourblock Shirt Dress

  • Length: Maxi
  • SleeveLength: Short Sleeve
  • Style: Shirt Dress
£105.00 £209.00
favourite
Polished Cowl Neck Tailored Pencil Midi Dress
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KarenMillen

Polished Cowl Neck Tailored Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£60.00 £199.00
favourite
Soft Tailored Check Godet Detail Midi Dress
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KarenMillen

Soft Tailored Check Godet Detail Midi Dress

  • Detail: Checks
  • Fabric: Polycotton
  • Style: Midi Dress
£183.20 £229.00
favourite
Compact Stretch Stab Stitch Square Neck Tailored Pencil Maxi Dress
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KarenMillen

Compact Stretch Stab Stitch Square Neck Tailored Pencil Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£159.20 £199.00
favourite
Compact Stretch Pu Mix Sleeveless Full Skirted Tailored Midi Dress
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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
Foil Detail Linear Animal Bias Cut Midi Dress
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KarenMillen

Foil Detail Linear Animal Bias Cut Midi Dress

  • Detail: Animal
  • Length: Midi
  • Style: Beach Dress
£127.20 £159.00
favourite
Beach Viscose Georgette Photographic Floral Beach Slip Dress
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KarenMillen

Beach Viscose Georgette Photographic Floral Beach Slip Dress

  • Occasion: Daywear
  • Style: Beach Dress
£90.30 £129.00
favourite
Shirred V Neck Belt Detail Woven Maxi Dress
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KarenMillen

Shirred V Neck Belt Detail Woven Maxi Dress

  • Length: Maxi
  • Neckline: V Neck
  • Style: Maxi Dress
£169.00
rust color khaki color
favourite
Chain Print Mesh One Shoulder Midi Dress
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KarenMillen

Chain Print Mesh One Shoulder Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£30.00 £119.00
favourite
Petite Paisley Blue Pleated Woven Maxi Dress
Petite
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KarenMillen

Petite Paisley Blue Pleated Woven Maxi Dress

  • Detail: Paisley
  • Length: Maxi
  • Sleeve length: Long Sleeve
£104.30 £149.00
favourite
Tailored Stripe Linen Strappy Asymmetric Hem Midi Dress
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KarenMillen

Tailored Stripe Linen Strappy Asymmetric Hem Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£42.00 £169.00
black color neutral color
favourite
Shirred Cotton Tiered Chain Print Bandeau Woven Maxi Dress
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KarenMillen

Shirred Cotton Tiered Chain Print Bandeau Woven Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Style: Maxi Dress
£76.00 £95.00
favourite
Shirred V Neck Trim Detail Woven Midi Dress
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KarenMillen

Shirred V Neck Trim Detail Woven Midi Dress

  • Design: Plain
  • Fabric: Woven
  • Sleeve length: Sleeveless
£125.30 £179.00
favourite
Crinkle Cold Shoulder Georgette Woven Maxi Dress
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KarenMillen

Crinkle Cold Shoulder Georgette Woven Maxi Dress

  • Detail: Crinkle
  • Fabric: Woven
  • Style: Maxi Dress
£118.30 £169.00
favourite
Premium Viscose Linen Belted Woven Midaxi Dress With Gold Hardware Detail
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KarenMillen

Premium Viscose Linen Belted Woven Midaxi Dress With Gold Hardware Detail

  • Length: Midaxi
  • Sleeve length: Sleeveless
  • Style: Midaxi Dress
£127.20 £159.00
hot-pink color navy color
favourite
Crystal Embellished Halter Woven Maxi Dress
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KarenMillen

Crystal Embellished Halter Woven Maxi Dress

  • Design: Embellished
  • Length: Maxi
  • Style: Maxi Dress
£307.30 £439.00
favourite
Chain Print Woven Balloon Sleeve Maxi Dress
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KarenMillen

Chain Print Woven Balloon Sleeve Maxi Dress

  • Design: All Over Print
  • Fabric: Woven
  • Style: Maxi Dress
£90.30 £129.00
favourite
Ruched Jersey Crepe Maxi Dress
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KarenMillen

Ruched Jersey Crepe Maxi Dress

  • Design: Plain
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£48.00 £119.00
favourite
Floral Print Crepe Tie Waist Maxi Dress
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KarenMillen

Floral Print Crepe Tie Waist Maxi Dress

  • Design: All Over Print
  • Detail: Plain
  • Length: Maxi
£38.00 £95.00
favourite
Ponte And Textured Georgette Button Mix Cut Out Detail Pleated Maxi Dress
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KarenMillen

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

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£83.30 £119.00
navy color ivory color
favourite
Plus Size Compact Stretch Cotton Mix Tailored Full Skirted Midi Dress
Plus
View
KarenMillen

Plus Size Compact Stretch Cotton Mix Tailored Full Skirted Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£160.30 £229.00
favourite
linen geo print woven maxi prom dress
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KarenMillen

linen geo print woven maxi prom dress

  • Detail: Plain
  • Length: Maxi
  • Neckline: Strappy
£179.00
favourite
Viscose Satin Drape Midi Dress
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KarenMillen

Viscose Satin Drape Midi Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
£90.30 £129.00
aqua color chartreuse color
favourite
Petite Clean Tailored Colour Block Pencil Midi Dress
Petite
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KarenMillen

Petite Clean Tailored Colour Block Pencil Midi Dress

  • Design: Colour Block
  • Fabric: Polyester
  • Length: Midi
£103.35 £159.00
favourite
Textured Ruched Jersey Midi Dress
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KarenMillen

Textured Ruched Jersey Midi Dress

  • Length: Midi
  • SleeveLength: Sleeveless
  • Style: Midi Dress
£36.00 £90.00
Showing 40 of 339
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