Skip to main content
Close Search
Clear Search Input
Search the site Go to account Go to wishlist Go to cart

Long Sleeve Wedding Guest Dresses

Our curated selection of long sleeve wedding guest dresses features a variety of sleeve styles, including cape, angel, puffed, balloon and fitted options. From flowing maxi gowns that exude glamour to structured midi styles, these designs are ideal for various dress codes. Whether you’re attending a formal celebration with a black-tie dress code, charming countryside ceremony, or cocktail wedding reception, Karen Millen offers timeless options that balance classic elegance with modern trends. Our dresses with long sleeves for wedding guests are designed to flatter every figure, including petite and plus sizes. Find your perfect fit below.

Read More
144 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
Design Open or Close section Open or Close section
Detail 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
Sleeve length 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
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
Stretch Velvet Crystal Embellished Long Sleeve Maxi Dress
View
KarenMillen

Stretch Velvet Crystal Embellished Long Sleeve Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Midi Dress
$328.00
black color burgundy color
favourite
Scuba Crepe Crystal Bow Detail Midi Dress
View
KarenMillen

Scuba Crepe Crystal Bow Detail Midi Dress

  • Design: Bow
  • Detail: Backless
  • Length: Midi
$526.00
favourite
Stretch Crepe Jersey Plunge Neck Maxi Dress
View
KarenMillen

Stretch Crepe Jersey Plunge Neck Maxi Dress

  • Detail: Draping
  • Fabric: Polyester
  • Length: Maxi
$394.00
favourite
Premium Crystal Embellished Long Sleeve Plunge Neck Midi Dress
View
KarenMillen

Premium Crystal Embellished Long Sleeve Plunge Neck Midi Dress

  • Design: Plain
  • Neckline: Plunge
  • Sleeve length: Long Sleeve
$526.00
favourite
Crystal Embellished Ruched Detail Sleeveless Midi Dress
View
KarenMillen

Crystal Embellished Ruched Detail Sleeveless Midi Dress

  • Length: Midi
  • Neckline: Crew
  • Sleeve length: Long Sleeve
$139.00 $394.00
favourite
Drapey Crepe V Neck Back Sleeved Maxi Dress
View
KarenMillen

Drapey Crepe V Neck Back Sleeved Maxi Dress

  • Detail: Plain
  • Fabric: Jersey
  • Style: Maxi Dress
$154.00 $306.00
black color silver color burgundy color
favourite
Drapey Crepe Jersey Open Back Detail Maxi Dress
View
KarenMillen

Drapey Crepe Jersey Open Back Detail Maxi Dress

  • Detail: Ruched
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$284.00
favourite
Embellished Figure Form Bandage And Chiffon Sleeve Midi Dress
View
KarenMillen

Embellished Figure Form Bandage And Chiffon Sleeve Midi Dress

  • Length: Midi
  • Neckline: Crew
  • Style: Knitted Dress
$145.00 $416.00
favourite
Drapey Crepe Ruched Detail Maxi Dress
View
KarenMillen

Drapey Crepe Ruched Detail Maxi Dress

  • Detail: Ruched
  • Neckline: Cowl
  • Sleeve length: Long Sleeve
$328.00
favourite
Drapey Crepe Off The Shoulder Ruched Detail Fishtail Maxi Dress
View
KarenMillen

Drapey Crepe Off The Shoulder Ruched Detail Fishtail Maxi Dress

  • Design: Plain
  • Length: Maxi
  • Style: Maxi Dress
$328.00
dark-red color lemon color navy color
favourite
Rib Knit Open Back Drama Hem Knitted Maxi Dress
View
KarenMillen

Rib Knit Open Back Drama Hem Knitted Maxi Dress

  • Design: Plain
  • Length: Maxi
  • Style: Maxi Dress
$328.00
favourite
Premium Embellished Caped Maxi Dress
View
KarenMillen

Premium Embellished Caped Maxi Dress

  • Length: Maxi
  • Neckline: Crew
  • Style: Maxi Dress
$878.00
black color purple color
favourite
Premium Slinky Crepe Embellished Cut Out Maxi Dress
View
KarenMillen

Premium Slinky Crepe Embellished Cut Out Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$108.00 $306.00
black color nude color
favourite
Petite Stretch Crepe Jersey Plunge Neck Maxi Dress
Petite
View
KarenMillen

Petite Stretch Crepe Jersey Plunge Neck Maxi Dress

  • Design: Plain
  • Fabric: Polyester
  • Style: Maxi Dress
$394.00
favourite
Crystal Embellished Woven Plunge Detail Maxi Dress
View
KarenMillen

Crystal Embellished Woven Plunge Detail Maxi Dress

  • Detail: Embellished
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$277.00 $790.00
favourite
Off The Shoulder Brushed Textured Jersey Midi Dress
View
KarenMillen

Off The Shoulder Brushed Textured Jersey Midi Dress

  • Length: Midi
  • Neckline: Off the Shoulder
  • Sleeve length: Long Sleeve
$77.00 $218.00
raspberry color khaki color
favourite
Petite Drapey Crepe Ruched Detail Maxi Dress
Petite
View
KarenMillen

Petite Drapey Crepe Ruched Detail Maxi Dress

  • Length: Maxi
  • Neckline: Cowl
  • Style: Maxi Dress
$328.00
favourite
Abstract Floral Satin Crepe Woven Long Sleeve Midi Dress
View
KarenMillen

Abstract Floral Satin Crepe Woven Long Sleeve Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$112.00 $372.00
favourite
Crinkle Cold Shoulder Georgette Woven Maxi Dress
View
KarenMillen

Crinkle Cold Shoulder Georgette Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$123.00 $350.00
favourite
Premium Stretch Crepe Jersey V Neck Zip Detail Maxi Dress
View
KarenMillen

Premium Stretch Crepe Jersey V Neck Zip Detail Maxi Dress

  • Detail: Plain
  • Length: Maxi
  • Sleeve length: Long Sleeve
$154.00 $438.00
emerald color cobalt color
favourite
Stretch Drapey Crepe Ruched Plunge Neck Batwing Sleeve Maxi Dress
View
KarenMillen

Stretch Drapey Crepe Ruched Plunge Neck Batwing Sleeve Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
$130.00 $262.00
black color cobalt color
favourite
Petite Drapey Crepe Off The Shoulder Ruched Detail Fishtail Maxi Dress
Petite
View
KarenMillen

Petite Drapey Crepe Off The Shoulder Ruched Detail Fishtail Maxi Dress

  • Design: Plain
  • Detail: Ruched
  • Fabric: Acetate slinky
$114.00 $328.00
favourite
Figure Form Bandage Knit Embellished Wide Sleeve Midi Dress
View
KarenMillen

Figure Form Bandage Knit Embellished Wide Sleeve Midi Dress

  • Fabric: Polyester
  • Length: Midi
  • Sleeve length: Long Sleeve
$548.00
cobalt color ivory color red color
favourite
Jersey Crepe Ruched Long Sleeve Maxi Dress
View
KarenMillen

Jersey Crepe Ruched Long Sleeve Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$77.00 $218.00
favourite
Plus Size Sequin Plunge Cowl Neck Strong Shoulder Long Sleeve Midi Dress
Plus
View
KarenMillen

Plus Size Sequin Plunge Cowl Neck Strong Shoulder Long Sleeve Midi Dress

  • Design: Plain
  • Neckline: Cowl
  • Sleeve length: Long Sleeve
$328.00
favourite
Petal Applique Lace Woven Midi Dress
View
KarenMillen

Petal Applique Lace Woven Midi Dress

  • Design: Floral
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$482.00
purple color green color black color navy color
favourite
Amelia Graham Printed Cady One Shoulder Maxi Dress
View
KarenMillen

Amelia Graham Printed Cady One Shoulder Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$92.00 $372.00
favourite
Viscose Crinkle Embellished Scarf Detail Maxi Dress
View
KarenMillen

Viscose Crinkle Embellished Scarf Detail Maxi Dress

  • Detail: Embellished
  • Fabric: Viscose
  • Style: Maxi Dress
$614.00
burgundy color black color
favourite
Premium Stretch Crepe Jersey Plunge Neck Maxi Dress
View
KarenMillen

Premium Stretch Crepe Jersey Plunge Neck Maxi Dress

  • Detail: Plain
  • Neckline: Plunge
  • Style: Maxi Dress
$154.00 $438.00
favourite
Cold Shoulder 3D Floral Applique Woven Maxi Dress
View
KarenMillen

Cold Shoulder 3D Floral Applique Woven Maxi Dress

  • Detail: Applique
  • Fabric: Polyester
  • Sleeve length: Long Sleeve
$246.00 $702.00
favourite
Photographic Floral Crinkle Georgette High Neck Cold Shoulder Woven Maxi Dress
View
KarenMillen

Photographic Floral Crinkle Georgette High Neck Cold Shoulder Woven Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Neckline: Round Neck
$350.00
burgundy color green color
favourite
Cutwork Beaded Embroidered Woven Maxi Dress
View
KarenMillen

Cutwork Beaded Embroidered Woven Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Neckline: Round Neck
$284.00 $812.00
favourite
Crinkle Floral Woven Maxi Dress With Laced Back And Embellishment
View
KarenMillen

Crinkle Floral Woven Maxi Dress With Laced Back And Embellishment

  • Detail: Embellished
  • Fabric: Polyester
  • Neckline: High Neck
$119.00 $482.00
favourite
Petite Premium Bonded Crepe Detachable Cape Maxi Dress
Petite
View
KarenMillen

Petite Premium Bonded Crepe Detachable Cape Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Sleeve length: Long Sleeve
$191.00 $768.00
favourite
Crystal Embellished Woven Plunge Detail Maxi Dress
View
KarenMillen

Crystal Embellished Woven Plunge Detail Maxi Dress

  • Fabric: Woven
  • Length: Maxi
  • Sleeve length: Long Sleeve
$277.00 $790.00
favourite
Crinkle Cold Shoulder Georgette Woven Maxi Dress
View
KarenMillen

Crinkle Cold Shoulder Georgette Woven Maxi Dress

  • Length: Maxi
  • Neckline: Round Neck
  • Style: Maxi Dress
$130.00 $372.00
favourite
Viscose Satin Cowl Neck Midi Dress
View
KarenMillen

Viscose Satin Cowl Neck Midi Dress

  • Detail: Plain
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$438.00
blue color berry color
favourite
Compact Stretch Jacquard Insert Split Front Midaxi Dress
View
KarenMillen

Compact Stretch Jacquard Insert Split Front Midaxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Midaxi Dress
$108.00 $438.00
black color ivory color
favourite
Petite Crystal Embellished Cowl Back Maxi Dress
Petite
View
KarenMillen

Petite Crystal Embellished Cowl Back Maxi Dress

  • Design: Embellished
  • Fabric: Jersey
  • Neckline: High Neck
$229.00 $570.00
favourite
Tailored Lace up Back Detail Midi Dress
View
KarenMillen

Tailored Lace up Back Detail Midi Dress

  • Neckline: V Neck
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$108.00 $306.00
cobalt color black color ivory color
Showing 40 of 144
Back to main content