Celebrity Copy Cat: Sienna Miller

Helmut Lang boatneck sweater
$460 - lagarconne.com

Helmut Lang collarless jacket
$1,009 - mytheresa.com

7 For All Mankind dark blue skinny jeans
€229 - jades24.com

KG Kurt Geiger brogue shoes
£120 - harrods.com

Alexander Wang tote handbag
$945 - openingceremony.us

Wildfox Couture yellow gold necklace
$59 - shopthetrendboutique.com

Joe Browns oversized cardigan
£38 - debenhams.com

Chloé crepe pants
£120 - matchesfashion.com

Valentino slingback heels
$895 - bergdorfgoodman.com

Chanel black handbag
portero.com

Chanel hoop earrings
£344 - farfetch.com

Prada round sunglasses
£215 - net-a-porter.com

Chanel lipstick
$32 - bergdorfgoodman.com