Top Picks
Reversible Threaded Long-Sleeve Sheath Slit Dress - Navy blue / S(4)
FIONA’S PICK ZEAGOOReversible Threaded Long-Sleeve Sheath Slit Dress - Navy blue / S(4)
$27.80 ZEAGOO
Ann Taylor Floral Linen Blend Shift Dress
LEANNE’S PICK ANN TAYLORAnn Taylor Floral Linen Blend Shift Dress
$140.28 $65.93 ANN TAYLOR
Lauren by Ralph Lauren Casual Dress - Sheath: Blue Stripes Pattern Dresses - Used
GEMMA’S PICK THREDUPLauren by Ralph Lauren Casual Dress - Sheath: Blue Stripes Pattern Dresses - Used
$60.99 THREDUP
Mason Cocktail Dress - Sheath: Blue Graphic Pattern Dresses - New - Size P
ZARA’S PICK THREDUPMason Cocktail Dress - Sheath: Blue Graphic Pattern Dresses - New - Size P
$26.99 THREDUP
Boden Casual Dress - Sheath: Blue Argyle Pattern Dresses - Used - Size 4 Petite
HANNAH’S PICK THREDUPBoden Casual Dress - Sheath: Blue Argyle Pattern Dresses - Used - Size 4 Petite
$59.99 THREDUP
How we pick

Quick word on how this list was made. Fiona, Leanne, Gemma, Zara and Hannah picked their favourites from the blue sheath dress we found across loads of UK shops. No sponsored spots, no brand deals, just what they'd buy with their own money. We keep a mix of prices so there's something whether you're treating yourself or being sensible this month, and we limit how many come from one retailer. Stock and prices update regularly from each shop, so if something's gone, it's sold out rather than hidden.

We may earn a small commission if you buy through links on this page. It costs you nothing extra and helps keep the site running. How we make money

Under $5013 pieces
J.Crew Factory Store Cocktail Dress - Sheath: Blue Polka Dots Pattern Dresses - Used - Size
THREDUP

J.Crew Factory Store Cocktail Dress - Sheath: Blue Polka Dots Pattern Dresses - Used - Size

$24.99 THREDUP
Attention Cocktail Dress - Sheath: Blue Graphic Pattern Dresses - Used - Size X
THREDUP

Attention Cocktail Dress - Sheath: Blue Graphic Pattern Dresses - Used - Size X

$17.99 THREDUP
Eliza J Casual Dress - Sheath: Blue Polka Dots Pattern Dresses - Used - Size
THREDUP

Eliza J Casual Dress - Sheath: Blue Polka Dots Pattern Dresses - Used - Size

$43.99 THREDUP
Mason Cocktail Dress - Sheath: Blue Graphic Pattern Dresses - New - Size P
THREDUP

Mason Cocktail Dress - Sheath: Blue Graphic Pattern Dresses - New - Size P

$26.99 THREDUP
Simply Vera Vera Wang Cocktail Dress - Sheath: Blue Print Pattern Dresses - Used - Size X
THREDUP

Simply Vera Vera Wang Cocktail Dress - Sheath: Blue Print Pattern Dresses - Used - Size X

$30.99 THREDUP
Something Navy Blue Colorblock Sweater Dress Blue
RENT THE RUNWAY

Something Navy Blue Colorblock Sweater Dress Blue

$45.00 RENT THE RUNWAY
Worthington Cocktail Dress - Sheath: Blue Print Pattern Dresses - Used - Size
THREDUP

Worthington Cocktail Dress - Sheath: Blue Print Pattern Dresses - Used - Size

$39.99 THREDUP
New York & Company Cocktail Dress - Sheath: Blue Tropical Pattern Dresses - Used - Size X
THREDUP

New York & Company Cocktail Dress - Sheath: Blue Tropical Pattern Dresses - Used - Size X

$30.99 THREDUP
R&M Richards Cocktail Dress - Sheath: Blue Dresses - Used - Size
THREDUP

R&M Richards Cocktail Dress - Sheath: Blue Dresses - Used - Size

$36.99 THREDUP
Nicole Miller Neptune Swirl Velvet Dress Blue-multicolored-print
RENT THE RUNWAY

Nicole Miller Neptune Swirl Velvet Dress Blue-multicolored-print

$36.00 RENT THE RUNWAY
Maje Ruvard Dress Purple-blue-print
RENT THE RUNWAY

Maje Ruvard Dress Purple-blue-print

$38.00 RENT THE RUNWAY
WHISTLES Womens Sheath Dress Blue Short Sleeve Midi UK
CERQULAR

WHISTLES Womens Sheath Dress Blue Short Sleeve Midi UK

$44.19 CERQULAR
Reversible Threaded Long-Sleeve Sheath Slit Dress - Navy blue / S(4)
ZEAGOO

Reversible Threaded Long-Sleeve Sheath Slit Dress - Navy blue / S(4)

$27.80 ZEAGOO
$50 to $1008 pieces
Lauren by Ralph Lauren Casual Dress - Sheath: Blue Stripes Pattern Dresses - Used
THREDUP

Lauren by Ralph Lauren Casual Dress - Sheath: Blue Stripes Pattern Dresses - Used

$60.99 THREDUP
Boden Casual Dress - Sheath: Blue Argyle Pattern Dresses - Used - Size 4 Petite
THREDUP

Boden Casual Dress - Sheath: Blue Argyle Pattern Dresses - Used - Size 4 Petite

$59.99 THREDUP
Adam Lippes x RTR Flare Sleeve Knit Dress Blue-black
RENT THE RUNWAY

Adam Lippes x RTR Flare Sleeve Knit Dress Blue-black

$79.00 RENT THE RUNWAY
Milly Atalie Gingham Dress Blue-white-print
RENT THE RUNWAY

Milly Atalie Gingham Dress Blue-white-print

$72.00 RENT THE RUNWAY
Coperni Asymmetric Neck Mini Dress Blue-print
RENT THE RUNWAY

Coperni Asymmetric Neck Mini Dress Blue-print

$59.00 RENT THE RUNWAY
Pistola Amira Dress Blue
RENT THE RUNWAY

Pistola Amira Dress Blue

$68.00 RENT THE RUNWAY
−53%Ann Taylor Floral Linen Blend Shift Dress
ANN TAYLOR

Ann Taylor Floral Linen Blend Shift Dress

$140.28 $65.93 ANN TAYLOR
−50%Ann Taylor Crew Neck Twist Sheath Dress
ANN TAYLOR

Ann Taylor Crew Neck Twist Sheath Dress

$179.00 $89.50 ANN TAYLOR
Worth the splurge4 pieces
Roberto Cavalli Blue Fleece Wool Sheath Dress
THE LUXURY CLOSET

Roberto Cavalli Blue Fleece Wool Sheath Dress

$334.00 THE LUXURY CLOSET
Derek Lam 10 Crosby Taryn Zip Dress Blue-multicolored-print
RENT THE RUNWAY

Derek Lam 10 Crosby Taryn Zip Dress Blue-multicolored-print

$165.00 RENT THE RUNWAY
Blanknyc Smooth Talker Dress Blue
RENT THE RUNWAY

Blanknyc Smooth Talker Dress Blue

$104.00 RENT THE RUNWAY
Ronny Kobo x RTR Velvet Cutout Dress Blue
RENT THE RUNWAY

Ronny Kobo x RTR Velvet Cutout Dress Blue

$169.00 RENT THE RUNWAY

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