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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.

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favourite
Premium Stretch Crepe Jersey V Neck Zip Detail Maxi Dress
View
KarenMillen

Premium Stretch Crepe Jersey V Neck Zip Detail Maxi Dress

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
$399.00
emerald color cobalt color
favourite
Drapey Crepe Off The Shoulder Ruched Detail Fishtail Maxi Dress
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KarenMillen

Drapey Crepe Off The Shoulder Ruched Detail Fishtail Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$299.00
navy color red color
favourite
Woven Sleeved Pleated Dress With Pu
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KarenMillen

Woven Sleeved Pleated Dress With Pu

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Knitted Dress
$169.00 $339.00
grey color stone color olive color burgundy color
favourite
Velvet Plunge Neck Taffeta Peplum Long Sleeve Mini Dress
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KarenMillen

Velvet Plunge Neck Taffeta Peplum Long Sleeve Mini Dress

  • Length: Mini
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$85.00 $279.00
favourite
Premium Stretch Crepe Jersey Plunge Neck Maxi Dress
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KarenMillen

Premium Stretch Crepe Jersey Plunge Neck Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$119.00 $399.00
favourite
Figure Form Bandage Taffeta Bow Knit Mini Dress
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KarenMillen

Figure Form Bandage Taffeta Bow Knit Mini Dress

  • Length: Mini
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$299.00
favourite
Lily Macrae Cold Shoulder Embellished Woven Maxi Dress
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KarenMillen

Lily Macrae Cold Shoulder Embellished Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$159.00 $519.00
favourite
Petite Premium Stretch Crepe Jersey V Neck Zip Detail Maxi Dress
Petite
View
KarenMillen

Petite Premium Stretch Crepe Jersey V Neck Zip Detail Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
$159.00 $399.00
favourite
Garden Floral Viscose Georgette Satin Mix Maxi Dress
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KarenMillen

Garden Floral Viscose Georgette Satin Mix Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
$179.00 $719.00
favourite
Crystal Embellished Woven Plunge Detail Maxi Dress
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KarenMillen

Crystal Embellished Woven Plunge Detail Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$719.00
favourite
Figure Form Bandage Lace Mix Knit Maxi Dress
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KarenMillen

Figure Form Bandage Lace Mix Knit Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
$299.00
favourite
Plus Size Crystal Embellished Woven Plunge Detail Maxi Dress
Plus
View
KarenMillen

Plus Size Crystal Embellished Woven Plunge Detail Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$719.00
favourite
Jersey Crepe Ruched Long Sleeve Maxi Dress
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KarenMillen

Jersey Crepe Ruched Long Sleeve Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$59.00 $199.00
mango color teal color
favourite
Floral Balloon Sleeve Pleated Crinkle Cut Out Woven Maxi Dress
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KarenMillen

Floral Balloon Sleeve Pleated Crinkle Cut Out Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$99.00 $399.00
favourite
Viscose Blend Slinky Batwing Button Neck Knit Midi Dress
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KarenMillen

Viscose Blend Slinky Batwing Button Neck Knit Midi Dress

  • Length: Midi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$129.00 $259.00
black color green color
favourite
Premium Embellished Cape Maxi Dress
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KarenMillen

Premium Embellished Cape Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$469.00 $939.00
favourite
Figure Form Bandage Knit Eyelet Cross Back Detail Mini Dress
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KarenMillen

Figure Form Bandage Knit Eyelet Cross Back Detail Mini Dress

  • Length: Mini
  • Sleeve length: Long Sleeve
  • Style: Knitted Dress
$69.00 $179.00
favourite
Polka Dot Mesh Ruched Long Sleeve Mini Dress
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KarenMillen

Polka Dot Mesh Ruched Long Sleeve Mini Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Mini Dress
$45.00 $149.00
favourite
Petite Embellished Figure Form And Chiffon Sleeve Midi Dress
Petite
View
KarenMillen

Petite Embellished Figure Form And Chiffon Sleeve Midi Dress

  • Length: Midi
  • SleeveLength: Long Sleeve
  • Style: Knitted Dress
$109.00 $379.00
favourite
Figure Form Bandage Knit Silk Ruffle Shoulder Detail Maxi Dress
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KarenMillen

Figure Form Bandage Knit Silk Ruffle Shoulder Detail Maxi Dress

  • Length: Midaxi
  • SleeveLength: Long Sleeve
  • Style: Knitted Dress
$199.00
black color neutral color
favourite
Bandage Collared Knitted Midi Dress With Sheer Sleeve
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KarenMillen

Bandage Collared Knitted Midi Dress With Sheer Sleeve

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Knitted Dress
$279.00
favourite
Petite Crystal Embellished Satin Wrap Maxi Dress
Petite
View
KarenMillen

Petite Crystal Embellished Satin Wrap Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
$109.00 $459.00
favourite
Plus Size Guipure Lace Woven Mini Dress
Plus
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KarenMillen

Plus Size Guipure Lace Woven Mini Dress

  • Length: Mini
  • Occasion: Occasion
  • Style: Mini Dress
$149.00 $599.00
favourite
Scattered Floral Balloon Sleeve Pleated Crinkle Cut Out Woven Maxi Dress
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KarenMillen

Scattered Floral Balloon Sleeve Pleated Crinkle Cut Out Woven Maxi Dress

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
$119.00 $399.00
favourite
Figure Form Bandage Knit Embellished Wide Sleeve Maxi Dress
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KarenMillen

Figure Form Bandage Knit Embellished Wide Sleeve Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$499.00
navy color grey color
favourite
Crystal Embellished Cady Woven Cape Maxi Dress
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KarenMillen

Crystal Embellished Cady Woven Cape Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$289.00 $1159.00
favourite
Archive Graphic Print Long Sleeve Mini Dress
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KarenMillen

Archive Graphic Print Long Sleeve Mini Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Mini Dress
$129.00 $259.00
favourite
Leopard Print Mesh Maxi Dress
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KarenMillen

Leopard Print Mesh Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$99.00 $239.00
favourite
Animal Print Mesh Ruched Maxi Dress
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KarenMillen

Animal Print Mesh Ruched Maxi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
$99.00 $199.00
favourite
Applique Organdie Floral Graphic Woven Maxi Dress
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KarenMillen

Applique Organdie Floral Graphic Woven Maxi Dress

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
$179.00 $739.00
yellow color coral color
favourite
Plus Size Floral Applique Embellished Organdie Woven Mini Dress
Plus
View
KarenMillen

Plus Size Floral Applique Embellished Organdie Woven Mini Dress

  • Length: Mini
  • Occasion: Occasion
  • Style: Mini Dress
$159.00 $519.00
favourite
Thigh High Split Embellished Woven Fringed Midi Dress
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KarenMillen

Thigh High Split Embellished Woven Fringed Midi Dress

  • Occasion: Occasion
  • SleeveLength: Long Sleeve
  • Style: Midi Dress
$939.00
favourite
Blurred Floral Tulle Plunge Maxi Dress
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KarenMillen

Blurred Floral Tulle Plunge Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
$99.00 $399.00
favourite
Viscose Satin Long Sleeve Bias Cut Woven Midi Dress
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KarenMillen

Viscose Satin Long Sleeve Bias Cut Woven Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$59.00 $239.00
favourite
Cold Shoulder 3D Floral Applique Woven Maxi Dress
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KarenMillen

Cold Shoulder 3D Floral Applique Woven Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
$159.00 $639.00
blush color blue color
favourite
Viscose Georgette Pleated Woven Maxi Dress With Sheer Lace Panel Detail
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KarenMillen

Viscose Georgette Pleated Woven Maxi Dress With Sheer Lace Panel Detail

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$109.00 $439.00
favourite
Plus Size Premium Crystal Embellished Woven Maxi Dress
Plus
View
KarenMillen

Plus Size Premium Crystal Embellished Woven Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$1199.00
favourite
Crystal Embellished Raw Edge Satin Wrap Maxi Dress
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KarenMillen

Crystal Embellished Raw Edge Satin Wrap Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • SleeveLength: Long Sleeve
$119.00 $499.00
favourite
Petite Applique Organdie Buttoned Woven Midi Dress
Petite
View
KarenMillen

Petite Applique Organdie Buttoned Woven Midi Dress

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
$179.00 $739.00
favourite
Plus Size Drapey Crepe Off The Shoulder Ruched Detail Fishtail Maxi Dress
Plus
View
KarenMillen

Plus Size Drapey Crepe Off The Shoulder Ruched Detail Fishtail Maxi Dress

  • Length: Maxi
  • Occasion: Occasion
  • Style: Maxi Dress
$299.00
Showing 40 of 263
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