Jessie J's Boy London Boy Eagle Oversized White Sweatshirt, Boy London Boy White Eagle Print Leggings & Jeffrey Campbell Black Lita Spike Heel Lace Up Platform Boots

You can view Jessie in her casual oversized jumper, matching leggings & spiked platform ankle boots here.

You can buy Jessie's jumper here from the Selfridges website, though please note it is currently out of stock, her leggings here from the Boy London website and her boots here from the USA based Solestruck website.

Item images via Selfridges & Solestruck.