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
341 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
Fabric 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
Length Open or Close section Open or Close section
Neckline Open or Close section Open or Close section
Sleeve length 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

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

Baroque Embroidered Long Sleeve Twill Woven Midi Dress

  • Design: Embroidered
  • Detail: Embroidered
  • Length: Midi
£72.00 £239.00
favourite
Plus Size Stripe Cotton Rosette Woven Shirt Maxi Dress
Plus
View
KarenMillen

Plus Size Stripe Cotton Rosette Woven Shirt Maxi Dress

  • Occasion: Daywear
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£104.30 £149.00
favourite
Embroidered Detail Halterneck Dress
View
KarenMillen

Embroidered Detail Halterneck Dress

  • Detail: Embroidered
  • Length: Midi
  • Neckline: Halterneck
£219.00
navy color ivory color
favourite
Lace Halter Woven Midi Dress
View
KarenMillen

Lace Halter Woven Midi Dress

  • Length: Midi
  • Sleeve length: Sleeveless
  • Style: Midi Dress
£189.00
favourite
Plunge Ruched Twist Jersey Maxi Dress
View
KarenMillen

Plunge Ruched Twist Jersey Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£75.00 £189.00
favourite
Viscose Crepe Abstract Halter Neck Midi Dress
View
KarenMillen

Viscose Crepe Abstract Halter Neck Midi Dress

  • Length: Midi
  • Style: Midi Dress
£83.30 £119.00
favourite
Techno Cotton Woven Maxi Shirt Dress With Gold Clasps
View
KarenMillen

Techno Cotton Woven Maxi Shirt Dress With Gold Clasps

  • Design: Contrast
  • Fabric: Cotton
  • Style: Maxi Dress
£119.20 £149.00
favourite
Cotton Poplin Contrast Stitch Belted Mini Dress
View
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
View
KarenMillen

Cotton Border Cutwork Maxi Dress With Ladder Lace Trim

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£209.30 £299.00
favourite
Silk Cotton Trailing Floral Puff Sleeve Midi Dress
View
KarenMillen

Silk Cotton Trailing Floral Puff Sleeve Midi Dress

  • Detail: Floral
  • Neckline: V Neck
  • Style: Midi Dress
£153.30 £219.00
favourite
Abstract Print Viscose Linen Woven Halter Neck Maxi Dress
View
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
View
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
View
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
View
KarenMillen

Soft Tailored Check Godet Detail Midi Dress

  • Detail: Checks
  • Fabric: Polycotton
  • Style: Midi Dress
£160.30 £229.00
favourite
Compact Stretch Stab Stitch Square Neck Tailored Pencil Maxi Dress
View
KarenMillen

Compact Stretch Stab Stitch Square Neck Tailored Pencil Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£139.30 £199.00
favourite
Compact Stretch Pu Mix Sleeveless Full Skirted Tailored Midi Dress
View
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
Shirred V Neck Belt Detail Woven Maxi Dress
View
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
View
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
View
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
View
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
View
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
View
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
View
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
View
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
View
KarenMillen

Crystal Embellished Halter Woven Maxi Dress

  • Design: Embellished
  • Length: Maxi
  • Style: Maxi Dress
£307.30 £439.00
favourite
Beach Viscose Georgette Photographic Floral Beach Slip Dress
View
KarenMillen

Beach Viscose Georgette Photographic Floral Beach Slip Dress

  • Occasion: Daywear
  • Style: Beach Dress
£90.30 £129.00
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
£160.30 £229.00
favourite
Ruched Jersey Crepe Maxi Dress
View
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
View
KarenMillen

Floral Print Crepe Tie Waist Maxi Dress

  • Design: All Over Print
  • Detail: Plain
  • Length: Maxi
£38.00 £95.00
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
linen geo print woven maxi prom dress
View
KarenMillen

linen geo print woven maxi prom dress

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

Petite Clean Tailored Colour Block Pencil Midi Dress

  • Design: Colour Block
  • Fabric: Polyester
  • Length: Midi
£103.35 £159.00
favourite
Chain Print Woven Balloon Sleeve Maxi Dress
View
KarenMillen

Chain Print Woven Balloon Sleeve Maxi Dress

  • Design: All Over Print
  • Fabric: Woven
  • Style: Maxi Dress
£90.30 £129.00
favourite
Petite Tailored Twill Lace Mix Zip Front Mini Dress
Petite
View
KarenMillen

Petite Tailored Twill Lace Mix Zip Front Mini Dress

  • Length: Mini
  • Sleeve length: Short Sleeve
  • Style: Mini Dress
£55.00 £219.00
favourite
Fruit Print Tape Detail Long Sleeve Woven Mini Dress
View
KarenMillen

Fruit Print Tape Detail Long Sleeve Woven Mini Dress

  • Design: Floral
  • Fabric: Woven
  • Style: Mini Dress
£90.30 £129.00
favourite
Viscose Linen Woven Shirt Dress
View
KarenMillen

Viscose Linen Woven Shirt Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
£57.00 £229.00
favourite
Linen Viscose Tile Print Woven Midi Dress
View
KarenMillen

Linen Viscose Tile Print Woven Midi Dress

  • Fabric: Woven
  • Length: Midi
  • Style: Midi Dress
£90.30 £129.00
favourite
Tile Print Silk Cotton Volume Sleeve Woven Maxi Dress
View
KarenMillen

Tile Print Silk Cotton Volume Sleeve Woven Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Neckline: Plunge
£229.00
Showing 40 of 341
Back to main content