Los Angeles: Singer Charli XCX says Katy Perry has a hidden talent - the pop star can undo a brassiere through a T-shirt.


Katy Perry. Pic/Santa Banta 

The "Boom Clap" hitmaker discovered Perry's skill when the "Roar" singer unhooked her brassiere as they hung out backstage when Charli supported Perry on her Prismatic World Tour, reports femalefirst.co.uk.