Perrie Edwards performed with her bandmates at the BBC Radio 1’s Big Weekend music event wearing a cropped Super Longline T-Shirt With State Stripe Print And Extenders ($28.42) and High Shine High Waist Bikini Bottom With Buckle Detail ($28.42) both from ASOS, a Calvin Klein Triangle Bralette ($29.00) and Topshop Duke Lace-Up Over-The-Knee Boots (Sold Out).