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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
Plus Size Botanical Print Woven Balloon Sleeve Maxi Dress
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KarenMillen

Plus Size Botanical Print Woven Balloon Sleeve Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£139.30 £199.00
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
Viscose Crepe Floral Long Sleeve Midi Dress
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KarenMillen

Viscose Crepe Floral Long Sleeve Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£97.30 £139.00
favourite
Ponte Button Front Pleated Mini Dress
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KarenMillen

Ponte Button Front Pleated Mini Dress

  • Length: Mini
  • Sleeve length: Strappy
  • Style: Midi Dress
£48.00 £119.00
black color cream color
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Viscose Crepe Chain Print Long Sleeve Midi Dress
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KarenMillen

Viscose Crepe Chain Print Long Sleeve Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£97.30 £139.00
favourite
Viscose Georgette Mono Stripe Beach Dress
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KarenMillen

Viscose Georgette Mono Stripe Beach Dress

Viscose Georgette Mono Stripe Beach Dress
£119.00
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Twill Contrast Collar Woven Halter Neck Midi Dress
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KarenMillen

Twill Contrast Collar Woven Halter Neck Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£101.15 £119.00
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
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Tailored Textured Button Though Strappy Full Midi Dress
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KarenMillen

Tailored Textured Button Though Strappy Full Midi Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Midi Dress
£139.30 £199.00
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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
£139.30 £199.00
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Figure Form Bandage Button Through Pencil Midi Dress
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KarenMillen

Figure Form Bandage Button Through Pencil Midi Dress

  • Length: Midi
  • SleeveLength: Sleeveless
  • Style: Midi Dress
£48.00 £139.00
stone color navy color
favourite
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
£169.00
favourite
Scuba Scoop Neck Long Sleeve Mini Dress
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KarenMillen

Scuba Scoop Neck Long Sleeve Mini Dress

  • Length: Mini
  • Occasion: Daywear
  • SleeveLength: Long Sleeve
£42.00 £139.00
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Tailored Linen Tab Waist Pencil Midi Dress
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KarenMillen

Tailored Linen Tab Waist Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£174.30 £249.00
navy color blush color ivory color
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Plus Size Stripe Cotton Rosette Woven Shirt Maxi Dress
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KarenMillen

Plus Size Stripe Cotton Rosette Woven Shirt Maxi Dress

  • Occasion: Daywear
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£126.65 £149.00
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
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Ponte Trim Belt Detail Midi Pencil Dress
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KarenMillen

Ponte Trim Belt Detail Midi Pencil Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Midi Dress
£48.00 £119.00
black color olive color
favourite
Compact Stretch Button Detail Mini Dress
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KarenMillen

Compact Stretch Button Detail Mini Dress

  • Length: Mini
  • Sleeve length: Short Sleeve
  • Style: Mini Dress
£139.30 £199.00
yellow color sage color
favourite
Voile Mirrored Floral Woven Bardot Midi Dress
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KarenMillen

Voile Mirrored Floral Woven Bardot Midi Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
£35.00 £139.00
floral color blue color
favourite
Twill Cape Sleeved Belted Shirt Woven Midi Dress
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KarenMillen

Twill Cape Sleeved Belted Shirt Woven Midi Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
£60.00 £149.00
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
favourite
Tailored Denim Full Skirted Midi Shirt Dress
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KarenMillen

Tailored Denim Full Skirted Midi Shirt Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
£139.30 £199.00
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
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Cotton Poplin Button Up Midi Dress
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KarenMillen

Cotton Poplin Button Up Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£159.00
pale-blue color black color
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Plus Size Spot Jacquard Tailored Bow Neck Full Skirted Midi Dress
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KarenMillen

Plus Size Spot Jacquard Tailored Bow Neck Full Skirted Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£239.00
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Cupro Touch Drop Waist Midi Dress
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KarenMillen

Cupro Touch Drop Waist Midi Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
£199.00
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Premium Cotton Tailored Fabric Belted Buckle Midi Dress
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KarenMillen

Premium Cotton Tailored Fabric Belted Buckle Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£229.00
black color grey color
favourite
Compact Stretch Tailored Pencil Midi Dress
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KarenMillen

Compact Stretch Tailored Pencil Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£169.15 £199.00
ivory color black color
favourite
Compact Stretch Cotton Mix Tailored Full Skirted Midi Dress
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KarenMillen

Compact Stretch Cotton Mix Tailored Full Skirted Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£160.30 £229.00
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 Tailored Twill Lace Mix Zip Front Mini Dress
Petite
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KarenMillen

Petite Tailored Twill Lace Mix Zip Front Mini Dress

  • Length: Mini
  • Sleeve length: Short Sleeve
  • Style: Mini Dress
£55.00 £219.00
favourite
Mirrored Tropical Viscose Georgette Bardot Beach Maxi Dress
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KarenMillen

Mirrored Tropical Viscose Georgette Bardot Beach Maxi Dress

  • Occasion: Beachwear
  • Style: Beach Dress
£39.00 £129.00
favourite
Tailored Denim Belted Mini Dress
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KarenMillen

Tailored Denim Belted Mini Dress

  • Length: Mini
  • Sleeve length: Short Sleeve
  • Style: Mini Dress
£88.00 £219.00
favourite
Utility Organdie Cotton Mix Woven Maxi Dress
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KarenMillen

Utility Organdie Cotton Mix Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Short Sleeve
  • Style: Maxi Dress
£111.30 £159.00
ivory color navy color
favourite
Sheered Textured Jersey Maxi Dress
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KarenMillen

Sheered Textured Jersey Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£25.00 £99.00
favourite
Premium Cotton Tailored Fabric Belted Buckle Midi Dress
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KarenMillen

Premium Cotton Tailored Fabric Belted Buckle Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£229.00
black color grey 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
£299.00
favourite
Cotton Stripe Woven Shirt Dress
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KarenMillen

Cotton Stripe Woven Shirt Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Shirt Dress
£111.30 £159.00
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
Floral & Geo Embroidered Woven Maxi Dress
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KarenMillen

Floral & Geo Embroidered Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£57.00 £189.00
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