'Boom Clap' star Charli XCX has just dropped by BBC studios and delivered a cover of another big pop single for Live Lounge. Watch her adrenalised, vaguely punky take on T Swift's 'Shake It Off' below.
XCX drops her new album, the hotly-anticipated Sucker, this Friday. The Cambridge singer can also be seen on The Graham Norton Show performing 'Doing It' that same day.