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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 Embellished Caped Maxi Dress
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KarenMillen

Premium Embellished Caped Maxi Dress

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
$719.00
black color purple color
favourite
Figure Form Bandage Knit Embellished Wide Sleeve Midi Dress
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KarenMillen

Figure Form Bandage Knit Embellished Wide Sleeve Midi Dress

  • Length: Midi
  • Sleeve length: Long Sleeve
  • Style: Midi Dress
$269.00 $449.00
red color cobalt color ivory color
favourite
Tulle Layered Long Sleeve Maxi Dress
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KarenMillen

Tulle Layered Long Sleeve Maxi Dress

  • Detail: Plain
  • Neckline: V Neck
  • Sleeve length: Long Sleeve
$129.00 $319.00
favourite
Embellished Taffeta Woven Shirt Dress
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KarenMillen

Embellished Taffeta Woven Shirt Dress

  • Design: Fabric Interest
  • Detail: Embellished
  • Sleeve length: Long Sleeve
$649.00
wine color dark-green color
favourite
Floral Tulle Balloon Sleeve Plunge Woven Maxi Dress
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KarenMillen

Floral Tulle Balloon Sleeve Plunge Woven Maxi Dress

  • Length: Maxi
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$309.00
favourite
Petal Applique Lace Woven Midi Dress
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KarenMillen

Petal Applique Lace Woven Midi Dress

  • Design: Floral
  • Neckline: Crew
  • Style: Midi Dress
$399.00
navy color green color purple color black color
favourite
Tailored Collared Long Sleeve Midi Dress
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KarenMillen

Tailored Collared Long Sleeve Midi Dress

  • Design: Plain
  • Length: Midi
  • Sleeve length: Long Sleeve
$149.00 $359.00
ivory color cobalt color
favourite
Premium Slinky Crepe Embellished Cut Out Maxi Dress
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KarenMillen

Premium Slinky Crepe Embellished Cut Out Maxi Dress

  • Design: Embellished
  • Fabric: Cotton
  • Neckline: Asymmetric
$99.00 $249.00
favourite
Crystal Embellished Cowl Back Maxi Dress
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KarenMillen

Crystal Embellished Cowl Back Maxi Dress

  • Detail: Plain
  • Sleeve length: Long Sleeve
  • Style: Maxi Dress
$189.00 $469.00
favourite
Mesh With Velvet Bow Trim Detail Long Sleeve Midi Dress
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KarenMillen

Mesh With Velvet Bow Trim Detail Long Sleeve Midi Dress

  • Design: Plain
  • Length: Midi
  • Style: Midi Dress
$179.00
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

  • Design: Plain
  • Neckline: Off the Shoulder
  • Sleeve length: Long Sleeve
$269.00
navy color dark-red color lemon color
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Stretch Drapey Crepe Ruched Plunge Neck Batwing Sleeve Maxi Dress
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KarenMillen

Stretch Drapey Crepe Ruched Plunge Neck Batwing Sleeve Maxi Dress

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
$129.00 $219.00
black color cobalt color
favourite
Tweed Embellished Trim Tailored Belted Mini Dress
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KarenMillen

Tweed Embellished Trim Tailored Belted Mini Dress

  • Fabric: Polyester
  • Neckline: Scoop
  • Sleeve length: Long Sleeve
$499.00
favourite
Drapey Crepe V Neck Back Sleeved Maxi Dress
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KarenMillen

Drapey Crepe V Neck Back Sleeved Maxi Dress

  • Detail: Plain
  • Fabric: Jersey
  • Length: Maxi
$129.00 $249.00
burgundy color red color black color silver color
favourite
Ombre Crinkle Georgette Embellished Pleat Detail Midi Dress
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KarenMillen

Ombre Crinkle Georgette Embellished Pleat Detail Midi Dress

  • Detail: Embellished
  • Fabric: Woven
  • Sleeve length: Long Sleeve
$189.00 $539.00
favourite
Polka Dot Tulle Plunge Balloon Sleeve Maxi Dress
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KarenMillen

Polka Dot Tulle Plunge Balloon Sleeve Maxi Dress

  • Design: Polka dot
  • Detail: All Over Print
  • Sleeve length: Long Sleeve
$109.00 $309.00
favourite
Embroidered Organdie Balloon Sleeve Woven Maxi Dress
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KarenMillen

Embroidered Organdie Balloon Sleeve Woven Maxi Dress

  • Design: Embroidered
  • Fabric: Polyester
  • Sleeve length: Long Sleeve
$219.00 $609.00
favourite
Compact Stretch Lace Sleeve Blazer Mini Dress
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KarenMillen

Compact Stretch Lace Sleeve Blazer Mini Dress

  • Fabric: Polyester
  • Length: Mini
  • Sleeve length: Long Sleeve
$409.00
black color ivory color
favourite
Tailored Satin Button Through Midi Dress
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KarenMillen

Tailored Satin Button Through Midi Dress

  • Design: Plain
  • Detail: Buttons
  • Neckline: Collarless
$309.00 $449.00
favourite
Photographic Floral Crinkle Georgette High Neck Cold Shoulder Woven Maxi Dress
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KarenMillen

Photographic Floral Crinkle Georgette High Neck Cold Shoulder Woven Maxi Dress

  • Detail: Floral
  • Length: Maxi
  • Neckline: Round Neck
$289.00
green color burgundy color
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
$159.00 $449.00
favourite
Satin Viscose Soft Midi Dress
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KarenMillen

Satin Viscose Soft Midi Dress

  • Design: Plain
  • Detail: Plain
  • Fabric: Satin
$139.00 $469.00
mint color ivory color
favourite
Premium Beaded Embellished Woven Midaxi Cape Dress
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KarenMillen

Premium Beaded Embellished Woven Midaxi Cape Dress

  • Length: Maxi
  • Neckline: Crew
  • Sleeve length: Long Sleeve
$349.00 $989.00
favourite
Premium Crystal Embellished Long Sleeve Plunge Neck Midi Dress
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KarenMillen

Premium Crystal Embellished Long Sleeve Plunge Neck Midi Dress

  • Design: Plain
  • Detail: Embellished
  • Fabric: Polyester
$429.00
favourite
Metallic Thread Printed Cold Shoulder Woven Maxi Dress
Tall
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KarenMillen

Metallic Thread Printed Cold Shoulder Woven Maxi Dress

  • Design: All Over Print
  • Detail: All Over Print
  • Sleeve length: Long Sleeve
$159.00 $469.00
favourite
Compact Stretch Asymmetric Neckline Draped Midi Dress
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KarenMillen

Compact Stretch Asymmetric Neckline Draped Midi Dress

  • Design: Plain
  • Length: Midi
  • Style: Midi Dress
$129.00 $359.00
sage color yellow color
favourite
Crystal Embellished Long Sleeve Woven Maxi Dress
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KarenMillen

Crystal Embellished Long Sleeve Woven Maxi Dress

  • Design: Embroidered
  • Fabric: Woven
  • Neckline: High Neck
$309.00 $879.00
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Premium Mirrored Crystal Embellished Woven Long Sleeve Column Dress
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KarenMillen

Premium Mirrored Crystal Embellished Woven Long Sleeve Column Dress

  • Length: Maxi
  • Neckline: Crew
  • Sleeve length: Long Sleeve
$279.00 $789.00
favourite
Tailored Lace up Back Detail Midi Dress
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KarenMillen

Tailored Lace up Back Detail Midi Dress

  • Detail: Plain
  • Fabric: Polyester
  • Sleeve length: Long Sleeve
$89.00 $249.00
ivory color black color cobalt color
favourite
Premium Stretch Crepe Jersey V Neck Zip Detail Maxi Dress
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KarenMillen

Premium Stretch Crepe Jersey V Neck Zip Detail Maxi Dress

  • Length: Maxi
  • SleeveLength: Long Sleeve
  • Style: Maxi Dress
$129.00 $359.00
emerald color cobalt color
favourite
Hotfix Studded Long Sleeve Shirt Woven Maxi Dress
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KarenMillen

Hotfix Studded Long Sleeve Shirt Woven Maxi Dress

  • Design: Plain
  • Neckline: Collared
  • Style: Maxi Dress
$119.00 $339.00
favourite
Pleated Beaded Detail Balloon Sleeve Maxi Dress
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KarenMillen

Pleated Beaded Detail Balloon Sleeve Maxi Dress

  • Design: Plain
  • Detail: Plain
  • Sleeve length: Long Sleeve
$319.00
blue color red color
favourite
Drapey Crepe Ruched Detail Maxi Dress
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KarenMillen

Drapey Crepe Ruched Detail Maxi Dress

  • Fabric: Acetate slinky
  • Length: Maxi
  • Neckline: Cowl
$269.00
favourite
Premium Crystal Embellished Jersey Cowl Neck Mini Dress
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KarenMillen

Premium Crystal Embellished Jersey Cowl Neck Mini Dress

  • Design: Plain
  • Length: Mini
  • Sleeve length: Long Sleeve
$149.00 $359.00
gold color cobalt color
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
$299.00 $849.00
favourite
Cutwork Beaded Embroidered Woven Maxi Dress
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KarenMillen

Cutwork Beaded Embroidered Woven Maxi Dress

  • Design: Embroidered
  • Detail: Embroidered
  • Fabric: Woven
$229.00 $669.00
favourite
Premium Crystal Embellished Woven Maxi Dress
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KarenMillen

Premium Crystal Embellished Woven Maxi Dress

  • Detail: Embellished
  • Fabric: Polyester
  • Length: Maxi
$379.00 $1079.00
favourite
Compact Stretch Embellished Trim Tailored Belted Mini Dress
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KarenMillen

Compact Stretch Embellished Trim Tailored Belted Mini Dress

  • Detail: Buttons
  • Fabric: Polyester
  • Sleeve length: Long Sleeve
$189.00 $469.00
favourite
Hand Embellished Georgette Mini Dress
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KarenMillen

Hand Embellished Georgette Mini Dress

  • Design: Embellished
  • Fabric: Woven
  • Style: Mini Dress
$359.00
favourite
Ombre Floral Crinkle V Neck Georgette Draped Woven Maxi Dress
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KarenMillen

Ombre Floral Crinkle V Neck Georgette Draped Woven Maxi Dress

  • Design: Ombre
  • Detail: Ombre
  • Fabric: Woven
$139.00 $339.00
Showing 40 of 198
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