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

Long Sleeve Formal Dresses

Discover our collection of long sleeve formal dresses, where timeless elegance meets modern sophistication. Designed for evenings that call for refined style, these dresses offer coverage without compromise, blending graceful silhouettes with fashion-forward details. Longer sleeves bring a touch of modesty while adding an elevated, polished look that feels effortlessly stylish. From sweeping floor-length gowns for galas and black-tie events to long sleeve mini formal dresses perfect for cocktail parties or birthday celebrations, each piece is crafted with meticulous attention to fit and finish. Choose from rich jewel tones, classic blacks, and soft neutrals, alongside luxurious fabrics like satin, velvet, and crepe that move beautifully from ceremony to celebration. Whether you’re looking for a statement-making gown or a versatile formal dress you can wear season after season, this edit of long sleeve styles ensures sophistication for every occasion.

Read More
209 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
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
Design 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
Floral Tulle Balloon Sleeve Plunge Woven Maxi Dress
View
KarenMillen

Floral Tulle Balloon Sleeve Plunge Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$309.00
favourite
Tulle Layered Long Sleeve Maxi Dress
View
KarenMillen

Tulle Layered Long Sleeve Maxi Dress

  • Design: Plain
  • Detail: Plain
  • Sleeve length: Long Sleeve
$189.00 $319.00
favourite
Embellished One Shoulder Printed Maxi Dress
View
KarenMillen

Embellished One Shoulder Printed Maxi Dress

  • Design: Plain
  • Detail: Embellished
  • Neckline: One Shoulder
$539.00
favourite
Ombre Crinkle Georgette Embellished Pleat Detail Midi Dress
View
KarenMillen

Ombre Crinkle Georgette Embellished Pleat Detail Midi Dress

  • Design: Embellished
  • Fabric: Woven
  • Sleeve length: Long Sleeve
$319.00 $539.00
favourite
Tailored Collared Long Sleeve Midi Dress
View
KarenMillen

Tailored Collared Long Sleeve Midi Dress

  • Detail: Plain
  • Length: Midi
  • Style: Midi Dress
$149.00 $359.00
ivory color cobalt color
favourite
Drapey Crepe V Neck Back Sleeved Maxi Dress
View
KarenMillen

Drapey Crepe V Neck Back Sleeved Maxi Dress

  • Detail: Plain
  • Fabric: Jersey
  • Length: Maxi
$249.00
burgundy color red color black color silver color
favourite
Embroidered Organdie Balloon Sleeve Woven Maxi Dress
View
KarenMillen

Embroidered Organdie Balloon Sleeve Woven Maxi Dress

  • Fabric: Polyester
  • Length: Maxi
  • Neckline: Crew
$369.00 $609.00
favourite
Kimono Sleeve Embellished Maxi Dress
View
KarenMillen

Kimono Sleeve Embellished Maxi Dress

  • Fabric: Polyester
  • Length: Maxi
  • Style: Maxi Dress
$159.00 $539.00
favourite
Figure Form Bandage Knit Embellished Wide Sleeve Maxi Dress
View
KarenMillen

Figure Form Bandage Knit Embellished Wide Sleeve Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$179.00 $449.00
navy color grey color
favourite
Compact Stretch Asymmetric Neckline Draped Midi Dress
View
KarenMillen

Compact Stretch Asymmetric Neckline Draped Midi Dress

  • Fabric: Polyester
  • Length: Midi
  • Neckline: Asymmetric
$149.00 $359.00
sage color yellow color
favourite
Premium Beaded Embellished Woven Midaxi Cape Dress
View
KarenMillen

Premium Beaded Embellished Woven Midaxi Cape Dress

  • Length: Maxi
  • Neckline: Crew
  • Sleeve length: Long Sleeve
$399.00 $989.00
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
  • Neckline: Off the Shoulder
  • Sleeve length: Long Sleeve
$139.00 $269.00
lemon color navy color
favourite
Stretch Drapey Crepe Ruched Plunge Neck Batwing Sleeve Maxi Dress
View
KarenMillen

Stretch Drapey Crepe Ruched Plunge Neck Batwing Sleeve Maxi Dress

  • Design: Plain
  • Detail: Plain
  • Style: Maxi Dress
$219.00
black color cobalt color
favourite
Premium Embellished Cape Maxi Dress
View
KarenMillen

Premium Embellished Cape Maxi Dress

  • Design: Fabric Interest
  • Length: Maxi
  • Sleeve length: Long Sleeve
$849.00
favourite
Metallic Thread Printed Cold Shoulder Woven Maxi Dress
Tall
View
KarenMillen

Metallic Thread Printed Cold Shoulder Woven Maxi Dress

  • Design: All Over Print
  • Detail: All Over Print
  • Sleeve length: Long Sleeve
$279.00 $469.00
favourite
Placed Floral Embroidered Mesh Woven Belted Maxi Dress
View
KarenMillen

Placed Floral Embroidered Mesh Woven Belted Maxi Dress

  • Detail: Belted
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$209.00 $519.00
favourite
Petite Satin Soft Midi Dress
Petite
View
KarenMillen

Petite Satin Soft Midi Dress

  • Design: Plain
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$359.00
ivory color mint color
favourite
Crystal Embellished Long Sleeve Woven Maxi Dress
View
KarenMillen

Crystal Embellished Long Sleeve Woven Maxi Dress

  • Length: Maxi
  • Neckline: High Neck
  • Sleeve length: Long Sleeve
$529.00 $879.00
favourite
Ombre Floral Crinkle V Neck Georgette Draped Woven Maxi Dress
View
KarenMillen

Ombre Floral Crinkle V Neck Georgette Draped Woven Maxi Dress

  • Design: Ombre
  • Detail: Ombre
  • Fabric: Woven
$149.00 $339.00
favourite
Crystal Embellished Cowl Back Maxi Dress
View
KarenMillen

Crystal Embellished Cowl Back Maxi Dress

  • Detail: Plain
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$209.00 $469.00
favourite
Satin Viscose Soft Midi Dress
View
KarenMillen

Satin Viscose Soft Midi Dress

  • Design: Plain
  • Detail: Plain
  • Fabric: Satin
$279.00 $469.00
mint color ivory color
favourite
Premium Mirrored Crystal Embellished Woven Long Sleeve Column Dress
View
KarenMillen

Premium Mirrored Crystal Embellished Woven Long Sleeve Column Dress

  • Length: Maxi
  • Neckline: Crew
  • Sleeve length: Long Sleeve
$239.00 $789.00
favourite
Tailored Belted Midi Shirt Dress
View
KarenMillen

Tailored Belted Midi Shirt Dress

  • Design: Plain
  • Detail: Buttons
  • Style: Shirt Dress
$139.00 $359.00
favourite
Tailored Satin Button Through Midi Dress
View
KarenMillen

Tailored Satin Button Through Midi Dress

  • Design: Plain
  • Detail: Buttons
  • Neckline: Collarless
$449.00
favourite
Blue Floral Off The Shoulder Shirred Woven Maxi Dress
View
KarenMillen

Blue Floral Off The Shoulder Shirred Woven Maxi Dress

  • Detail: Floral
  • Neckline: Off the Shoulder
  • Style: Maxi Dress
$149.00 $289.00
favourite
Polka Dot Tulle Plunge Balloon Sleeve Maxi Dress
View
KarenMillen

Polka Dot Tulle Plunge Balloon Sleeve Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$179.00 $309.00
favourite
Figure Form Bandage Knit Embellished Wide Sleeve Midi Dress
View
KarenMillen

Figure Form Bandage Knit Embellished Wide Sleeve Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$449.00
red color cobalt color ivory color
favourite
Premium Crystal Embellished Woven Maxi Dress
View
KarenMillen

Premium Crystal Embellished Woven Maxi Dress

  • Detail: Embellished
  • Neckline: Round Neck
  • Style: Maxi Dress
$379.00 $1079.00
favourite
Thigh High Split Embellished Woven Fringed Midi Dress
View
KarenMillen

Thigh High Split Embellished Woven Fringed Midi Dress

  • Design: Embroidered
  • Length: Maxi
  • Neckline: Crew
$249.00 $849.00
favourite
Baroque Organdie Applique And Beaded Bell Sleeve Woven Midi Dress
View
KarenMillen

Baroque Organdie Applique And Beaded Bell Sleeve Woven Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$219.00 $719.00
blush color navy color
favourite
Cutwork Beaded Embroidered Woven Maxi Dress
View
KarenMillen

Cutwork Beaded Embroidered Woven Maxi Dress

  • Detail: Embroidered
  • Neckline: Round Neck
  • Sleeve length: Long Sleeve
$269.00 $669.00
favourite
Mono Geo Silk Cotton Woven Shirt Dress
View
KarenMillen

Mono Geo Silk Cotton Woven Shirt Dress

  • Design: Patterned
  • Fabric: Cotton
  • Length: Maxi
$169.00 $429.00
favourite
Voile Embroidered Cutwork Balloon Sleeve Woven Maxi Dress
View
KarenMillen

Voile Embroidered Cutwork Balloon Sleeve Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$219.00 $539.00
favourite
Hotfix Studded Long Sleeve Shirt Woven Maxi Dress
View
KarenMillen

Hotfix Studded Long Sleeve Shirt Woven Maxi Dress

  • Design: Plain
  • Fabric: Woven
  • Length: Maxi
$99.00 $339.00
ivory color black color
favourite
Premium Stretch Crepe Jersey V Neck Zip Detail Maxi Dress
View
KarenMillen

Premium Stretch Crepe Jersey V Neck Zip Detail Maxi Dress

  • Design: Plain
  • Detail: Plain
  • Sleeve length: Long Sleeve
$149.00 $359.00
emerald color cobalt color
favourite
Cold Shoulder 3D Floral Applique Woven Maxi Dress
View
KarenMillen

Cold Shoulder 3D Floral Applique Woven Maxi Dress

  • Detail: Applique
  • Neckline: High Neck
  • Style: Maxi Dress
$229.00 $579.00
hot-pink color black color
favourite
Floral Print Viscose Satin Crepe Woven Midi Dress
View
KarenMillen

Floral Print Viscose Satin Crepe Woven Midi Dress

  • Fabric: Viscose
  • Length: Maxi
  • Style: Maxi Dress
$169.00 $429.00
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

  • Detail: Ruched
  • Length: Maxi
  • Sleeve length: Long Sleeve
$159.00 $269.00
favourite
Baroque Balloon Sleeve Maxi Dress
View
KarenMillen

Baroque Balloon Sleeve Maxi Dress

  • Design: All Over Print
  • Detail: All Over Print
  • Sleeve length: Long Sleeve
$149.00 $359.00
favourite
Drape Sleeve Embellished Midaxi Dress
View
KarenMillen

Drape Sleeve Embellished Midaxi Dress

  • Length: Midaxi
  • Neckline: Asymmetric
  • Sleeve length: Long Sleeve
$169.00 $579.00
Showing 40 of 209
Back to main content