Billie Eilish: Brown Biker Shorts And Black Backpack Gucci - $450Black Nylon Gg Baseball Cap from PoshmarkAlyx - $350Black Nylon Rollercoaster Backpack from HBXShoe Palace - $45Sacre Shayla Biker ShortsLi-Ning - $356WMNS Titan Grey Orange Sneakers Celebrity: Billie Eilish Identity: Singer-Songwriter Brands: Gucci Alyx Shoe Palace Li-Ning Items: Cap Backpack Shorts Sneakers