Skip to main content
Close Search
Clear Search Input
search button Go to account Go to wishlist Go to cart

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.

Read More
477 products

Filters

Size Open or Close section Open or Close section
Colour Open or Close section Open or Close section
Price Open or Close section Open or Close section
Gender Open or Close section Open or Close section
Occasion Open or Close section Open or Close section
Shop by Fit Open or Close section Open or Close section
Style Open or Close section Open or Close section
Search for style
  • No results found
Length Open or Close section Open or Close section
Sleeve length Open or Close section Open or Close section
Design Open or Close section Open or Close section
Detail Open or Close section Open or Close section
Fabric Open or Close section Open or Close section
Neckline Open or Close section Open or Close section
Sort:   Relevance
Open or Close section
  • Price: Low-high
  • Price: High-Low
  • Sort: Relevance
  • Sort: Best Sellers
  • Sort: Newness
favourite
Ombre Sunset Mesh Strappy Beach Dress
View
KarenMillen

Ombre Sunset Mesh Strappy Beach Dress

Ombre Sunset Mesh Strappy Beach Dress
£63.20 £79.00
favourite
Viscose Georgette Mono Stripe Beach Dress
View
KarenMillen

Viscose Georgette Mono Stripe Beach Dress

Viscose Georgette Mono Stripe Beach Dress
£95.20 £119.00
favourite
Ponte Button Front Pleated Mini Dress
View
KarenMillen

Ponte Button Front Pleated Mini Dress

  • Length: Mini
  • Sleeve length: Strappy
  • Style: Midi Dress
£71.40 £119.00
black color cream color
favourite
Ponte Trim Belt Detail Midi Pencil Dress
View
KarenMillen

Ponte Trim Belt Detail Midi Pencil Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Midi Dress
£71.40 £119.00
black color olive color
favourite
Sheer Detail Pleated Midi Dress
View
KarenMillen

Sheer Detail Pleated Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£83.40 £139.00
favourite
Studded Ponte Jersey Midi Dress
View
KarenMillen

Studded Ponte Jersey Midi Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£77.40 £129.00
black color green color pink color
favourite
Organdie Tie Neck Woven Midi Dress
View
KarenMillen

Organdie Tie Neck Woven Midi Dress

  • Length: Midi
  • Sleeve length: 3/4 Sleeve
  • Style: Midi Dress
£101.40 £169.00
favourite
Figure Form Bandage Button Through Pencil Midi Dress
View
KarenMillen

Figure Form Bandage Button Through Pencil Midi Dress

  • Length: Midi
  • SleeveLength: Sleeveless
  • Style: Midi Dress
£83.40 £139.00
stone color navy color
favourite
Compact Stretch Cotton Mix Tailored Full Skirted Midi Dress
View
KarenMillen

Compact Stretch Cotton Mix Tailored Full Skirted Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£137.40 £229.00
favourite
Scuba Scoop Neck Long Sleeve Mini Dress
View
KarenMillen

Scuba Scoop Neck Long Sleeve Mini Dress

  • Length: Mini
  • Occasion: Daywear
  • SleeveLength: Long Sleeve
£83.40 £139.00
favourite
Denim Sleeveless Midi Button Detail Midi Dress
View
KarenMillen

Denim Sleeveless Midi Button Detail Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£77.40 £129.00
favourite
Viscose Georgette Woven Belted Maxi Dress
View
KarenMillen

Viscose Georgette Woven Belted Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£169.00
favourite
Pleated Twist Front Woven Halter Midi Dress
View
KarenMillen

Pleated Twist Front Woven Halter Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£77.40 £129.00
favourite
Ponte And Georgette Mix Balloon Sleeve Cut Out Detail Pleated Maxi Dress
View
KarenMillen

Ponte And Georgette Mix Balloon Sleeve Cut Out Detail Pleated Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£77.40 £129.00
black color bright-green color
favourite
Denim Soft Wash Short Sleeve Belted Midi Dress
View
KarenMillen

Denim Soft Wash Short Sleeve Belted Midi Dress

  • Length: Midi
  • Occasion: Daywear
  • Style: Midi Dress
£83.40 £139.00
favourite
Cotton Stripe Woven Shirt Dress
View
KarenMillen

Cotton Stripe Woven Shirt Dress

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Shirt Dress
£95.40 £159.00
favourite
Beach Viscose Georgette Photographic Floral Beach Slip Dress
View
KarenMillen

Beach Viscose Georgette Photographic Floral Beach Slip Dress

  • Occasion: Daywear
  • Style: Beach Dress
£103.20 £129.00
favourite
Tailored Denim Belted Mini Dress
View
KarenMillen

Tailored Denim Belted Mini Dress

  • Length: Mini
  • Sleeve length: Short Sleeve
  • Style: Mini Dress
£131.40 £219.00
favourite
Embellished Ombre Floral Pleated Woven Maxi Dress
View
KarenMillen

Embellished Ombre Floral Pleated Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£197.40 £329.00
favourite
Cotton Sateen Button Detail Woven Midi Shirt Dress With Contrast Piping
View
KarenMillen

Cotton Sateen Button Detail Woven Midi Shirt Dress With Contrast Piping

  • Length: Midi
  • Sleeve length: Short Sleeve
  • Style: Midi Dress
£89.40 £149.00
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
£137.40 £229.00
favourite
Plus Size Animal Print Viscose Georgette Woven Belted Maxi Dress
Plus
View
KarenMillen

Plus Size Animal Print Viscose Georgette Woven Belted Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£113.40 £189.00
favourite
Compact Stretch Peplum Tailored Midi Dress
View
KarenMillen

Compact Stretch Peplum Tailored Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£119.40 £199.00
green color black color
favourite
High Neck Jersey Crepe Maxi Dress
View
KarenMillen

High Neck Jersey Crepe Maxi Dress

  • Length: Maxi
  • Occasion: Daywear
  • SleeveLength: Sleeveless
£23.00 £75.00
favourite
Plus Size Techno Cotton Woven Maxi Dress With Contrast Placket
Plus
View
KarenMillen

Plus Size Techno Cotton Woven Maxi Dress With Contrast Placket

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£139.00
favourite
Floral & Geo Embroidered Woven Maxi Dress
View
KarenMillen

Floral & Geo Embroidered Woven Maxi Dress

  • Length: Maxi
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
£57.00 £189.00
favourite
Soft Tailored Asymmetric Neck Draped Waist Detail Midi Dress
View
KarenMillen

Soft Tailored Asymmetric Neck Draped Waist Detail Midi Dress

  • Occasion: Daywear
  • SleeveLength: Sleeveless
  • Style: Midi Dress
£60.00 £199.00
chartreuse color mono color
favourite
Off The Shoulder Brushed Textured Jersey Midi Dress
View
KarenMillen

Off The Shoulder Brushed Textured Jersey Midi Dress

  • Occasion: Daywear
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
£59.40 £99.00
raspberry color khaki color
favourite
Cupro Utility Twill Woven Shirt Dress With Belt Detail
View
KarenMillen

Cupro Utility Twill Woven Shirt Dress With Belt Detail

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£119.40 £199.00
favourite
Textured Ruched Jersey Midi Dress
View
KarenMillen

Textured Ruched Jersey Midi Dress

  • Length: Midi
  • SleeveLength: Sleeveless
  • Style: Midi Dress
£36.00 £90.00
favourite
Floral Crochet Woven Backless Maxi Beach Dress
View
KarenMillen

Floral Crochet Woven Backless Maxi Beach Dress

  • Occasion: Daywear
  • Style: Beachwear
£119.20 £149.00
favourite
Viscose Linen Mixed Stripe Asymmetric Woven Midi Dress
View
KarenMillen

Viscose Linen Mixed Stripe Asymmetric Woven Midi Dress

  • Length: Midi
  • Sleeve length: Strappy
  • Style: Midi Dress
£101.40 £169.00
favourite
Geo Printed Jersey Crepe Tie Waist Midi Dress
View
KarenMillen

Geo Printed Jersey Crepe Tie Waist Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£26.00 £85.00
favourite
Plunge Ruched Twist Jersey Maxi Dress
View
KarenMillen

Plunge Ruched Twist Jersey Maxi Dress

  • Length: Maxi
  • Occasion: Daywear
  • Style: Maxi Dress
£57.00 £189.00
favourite
Animal Print Georgette Belted Woven Shirt Dress
View
KarenMillen

Animal Print Georgette Belted Woven Shirt Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£40.00 £99.00
favourite
Tailored Stripe Linen Strappy Asymmetric Hem Midi Dress
View
KarenMillen

Tailored Stripe Linen Strappy Asymmetric Hem Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£51.00 £169.00
black color neutral color
favourite
Paisley Floral Jersey Crepe Twist Maxi Dress
View
KarenMillen

Paisley Floral Jersey Crepe Twist Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£38.00 £75.00
favourite
Abstract Zebra Print Ruched Detail Collared Mini Crepe Shirt Dress
View
KarenMillen

Abstract Zebra Print Ruched Detail Collared Mini Crepe Shirt Dress

  • Length: Mini
  • Occasion: Daywear
  • SleeveLength: Long Sleeve
£24.00 £79.00
favourite
Chain Print Crepe Hanky Hem Midi Dress
View
KarenMillen

Chain Print Crepe Hanky Hem Midi Dress

  • Length: Midi
  • Occasion: Daywear
  • SleeveLength: Sleeveless
£45.00 £89.00
favourite
Floral Print Hammered Satin Collared Woven Shirt Dress
View
KarenMillen

Floral Print Hammered Satin Collared Woven Shirt Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£65.00 £129.00
Showing 40 of 477
Back to main content