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

Formal Wedding Guest Dresses

Explore our formal wedding guest dresses that boast ethereal silhouettes that exude modern mastery. An elegant edit that’s imbued with traditional occasionwear codes, curate your ensemble from our formal wedding guest dresses that spotlight a dedication to premium craft. This collection is made from a carefully-selected range of textiles including knitted jersey, structured crêpe, woven jacquard, and our revered Compact Stretch fabric that offers four-way support, as well as draped alternatives such as languid silk, elegant linen, flowing chiffon, and cascading organza. Our formal summer wedding guest dresses appear in cool and collected high-quality materials including linen, cotton, satin, silk, and jersey. You can find a bespoke fit from our selection of formal wedding dresses for guests, which includes mini, midi, and maxi fits, bandeau bodices, corset-inspired fits, dramatic puffed sleeves, mesh-trimmed cutout styles, open backs, halterneck styles, and asymmetric necklines.
Read More
485 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
Length 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
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
Sleeve length 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
Petite Premium Beaded Embellished Woven Maxi Dress
Petite
View
KarenMillen

Petite Premium Beaded Embellished Woven Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£126.00 £419.00
favourite
Kimono Sleeve Embellished Maxi Dress
View
KarenMillen

Kimono Sleeve Embellished Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£90.00 £299.00
blue color rust color
favourite
Tall Premium Beaded Embellished Woven Maxi Dress
Tall
View
KarenMillen

Tall Premium Beaded Embellished Woven Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
£126.00 £419.00
favourite
Feather Embellished Woven Cape Sleeve Maxi Dress
View
KarenMillen

Feather Embellished Woven Cape Sleeve Maxi Dress

  • Length: Maxi
  • Sleeve length: Short Sleeve
  • Style: Fluid Dress
£122.00 £489.00
taupe color raspberry color
favourite
Feather Crystal Embellished Maxi Dress
View
KarenMillen

Feather Crystal Embellished Maxi Dress

  • Fabric: Polyester
  • Length: Maxi
  • Neckline: Crew
£335.20 £419.00
favourite
Burnout Embellished And Beaded Open Back Woven Maxi Dress
View
KarenMillen

Burnout Embellished And Beaded Open Back Woven Maxi Dress

  • Design: Ombre
  • Neckline: V Neck
  • Sleeve length: Strappy
£319.20 £399.00
fuchsia color aqua color
favourite
Beaded Contour Sweet Heart Neckline Woven Maxi Dress
View
KarenMillen

Beaded Contour Sweet Heart Neckline Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£165.00 £549.00
blue color silver color
favourite
Embellished Geo Halter Woven Maxi Dress
View
KarenMillen

Embellished Geo Halter Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£85.00 £339.00
favourite
Halter Neck Bugle Bead Detail Woven Maxi Dress
View
KarenMillen

Halter Neck Bugle Bead Detail Woven Maxi Dress

  • Detail: Embroidered
  • Length: Maxi
  • Neckline: Halterneck
£125.00 £499.00
favourite
Crystal Embellished Viscose Crepe Woven Cape Maxi Dress
View
KarenMillen

Crystal Embellished Viscose Crepe Woven Cape Maxi Dress

  • Length: Maxi
  • Neckline: Scoop
  • Sleeve length: Long Sleeve
£102.00 £339.00
blue color black color
favourite
Digital Ophelia Ombre Beaded Strapless Woven Maxi Dress
View
KarenMillen

Digital Ophelia Ombre Beaded Strapless Woven Maxi Dress

  • Design: Ombre
  • Detail: Embellished
  • Fabric: Polyester
£168.00 £559.00
blush color green color
favourite
Petite Thigh high Split Embellished Woven Fringed Midi Dress
Petite
View
KarenMillen

Petite Thigh high Split Embellished Woven Fringed Midi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
£141.00 £469.00
favourite
Velvet Embellished Long Sleeve Maxi Dress
View
KarenMillen

Velvet Embellished Long Sleeve Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
£90.00 £299.00
favourite
Premium Beaded Embellished Woven Midaxi Cape Dress
View
KarenMillen

Premium Beaded Embellished Woven Midaxi Cape Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£439.20 £549.00
favourite
Premium Beading And Embellished Woven Halter Neck Maxi Dress
View
KarenMillen

Premium Beading And Embellished Woven Halter Neck Maxi Dress

  • Fabric: Polyester
  • Length: Maxi
  • Neckline: Halterneck
£135.00 £449.00
favourite
Crystal Embellished Halter Woven Maxi Dress
View
KarenMillen

Crystal Embellished Halter Woven Maxi Dress

  • Length: Maxi
  • SleeveLength: Sleeveless
  • Style: Maxi Dress
£102.00 £339.00
favourite
Petite Kimono Sleeve Embellished Maxi Dress
Petite
View
KarenMillen

Petite Kimono Sleeve Embellished Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£120.00 £299.00
favourite
Petite Premium Embellished Cape Maxi Dress
Petite
View
KarenMillen

Petite Premium Embellished Cape Maxi Dress

  • Detail: Embellished
  • Length: Maxi
  • Style: Maxi Dress
£281.40 £469.00
favourite
Petite Embellished Pleated Woven Maxi Dress
Petite
View
KarenMillen

Petite Embellished Pleated Woven Maxi Dress

  • Design: Plain
  • Detail: Embellished
  • Style: Maxi Dress
£185.40 £309.00
favourite
Lily Macrae Cold Shoulder Embellished Woven Maxi Dress
View
KarenMillen

Lily Macrae Cold Shoulder Embellished Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£65.00 £259.00
favourite
Petite Beaded Contour Sweet Heart Neckline Woven Maxi Dress
Petite
View
KarenMillen

Petite Beaded Contour Sweet Heart Neckline Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Strappy
  • Style: Maxi Dress
£439.20 £549.00
favourite
Petite Floral Applique Woven Maxi Rosette Maxi
Petite
View
KarenMillen

Petite Floral Applique Woven Maxi Rosette Maxi

  • Design: Back Placement
  • Detail: Asymmetric
  • Neckline: Halterneck
£299.40 £499.00
favourite
Petite Burnout Embellished And Beaded Open Back Woven Maxi Dress
Petite
View
KarenMillen

Petite Burnout Embellished And Beaded Open Back Woven Maxi Dress

  • Detail: Embellished
  • Fabric: Polyester
  • Length: Maxi
£120.00 £399.00
favourite
Tall Embellished Geo Strappy Woven Maxi Dress
Tall
View
KarenMillen

Tall Embellished Geo Strappy Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£54.00 £179.00
favourite
Embellished V Neck High Low Maxi Dress
View
KarenMillen

Embellished V Neck High Low Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
£66.00 £219.00
favourite
Petite Embellished Figure Form Bandage Bandeau Maxi Dress
Petite
View
KarenMillen

Petite Embellished Figure Form Bandage Bandeau Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Sleeveless
£85.00 £169.00
favourite
Tropical Beaded Strappy Back Woven Halter Maxi Dress
View
KarenMillen

Tropical Beaded Strappy Back Woven Halter Maxi Dress

  • Fabric: Woven
  • Neckline: Halterneck
  • Style: Maxi Dress
£379.00
favourite
Petite Crystal Embellished Scuba Crepe Bandeau Midi Dress
Petite
View
KarenMillen

Petite Crystal Embellished Scuba Crepe Bandeau Midi Dress

  • Design: Plain
  • Detail: Mesh
  • Style: Maxi Dress
£117.00 £389.00
favourite
Petite Crystal Embellished Woven Split Maxi
Petite
View
KarenMillen

Petite Crystal Embellished Woven Split Maxi

  • Fabric: Woven
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£173.40 £289.00
favourite
Tall Halter Neck Bugle Bead Detail Woven Maxi Dress
Tall
View
KarenMillen

Tall Halter Neck Bugle Bead Detail Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Sleeveless
  • Style: Maxi Dress
£150.00 £499.00
favourite
Petite Floral Applique Embellished Metallic Georgette Woven Maxi Dress
Petite
Tall
View
KarenMillen

Petite Floral Applique Embellished Metallic Georgette Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£135.00 £449.00
favourite
Petite Premium Mirrored Crystal Embellished Woven Prom Dress
Petite
View
KarenMillen

Petite Premium Mirrored Crystal Embellished Woven Prom Dress

  • Detail: Embellished
  • Length: Maxi
  • Neckline: Sweetheart
£120.00 £399.00
favourite
Beaded Embellished Full Maxi Dress
View
KarenMillen

Beaded Embellished Full Maxi Dress

  • Detail: Embellished
  • Neckline: V Neck
  • Sleeve length: Strappy
£155.40 £259.00
favourite
Crystal Beaded Strappy Woven Maxi Dress
View
KarenMillen

Crystal Beaded Strappy Woven Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Strappy
  • Style: Mini Dress
£120.00 £479.00
favourite
Petite Premium Mirrored Crystal Embellished Woven Long Sleeve Column Dress
Petite
View
KarenMillen

Petite Premium Mirrored Crystal Embellished Woven Long Sleeve Column Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
£132.00 £439.00
favourite
Crystal Embellished Raw Edge Satin Wrap Maxi Dress
View
KarenMillen

Crystal Embellished Raw Edge Satin Wrap Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
£75.00 £249.00
favourite
Petite Feather Embellished Woven Cape Sleeve Maxi Dress
Petite
View
KarenMillen

Petite Feather Embellished Woven Cape Sleeve Maxi Dress

  • Detail: Printed
  • Fabric: Polyester
  • Length: Maxi
£122.00 £489.00
favourite
High Neck Embellished Ruched Georgette Woven Maxi Dress
View
KarenMillen

High Neck Embellished Ruched Georgette Woven Maxi Dress

  • Detail: Embellished
  • Length: Maxi
  • Style: Maxi Dress
£90.00 £299.00
favourite
Embellished Geo Strappy Woven Maxi Dress
View
KarenMillen

Embellished Geo Strappy Woven Maxi Dress

  • Fabric: Polyester
  • Length: Maxi
  • Style: Maxi Dress
£45.00 £179.00
pale-blue color chartreuse color
favourite
Premium Mirrored Crystal Embellished Woven Prom Dress
View
KarenMillen

Premium Mirrored Crystal Embellished Woven Prom Dress

  • Design: Embroidered
  • Detail: Embellished
  • Length: Maxi
£120.00 £399.00
Showing 40 of 485
Back to main content