Britney Spears joined Nick Grimshaw for a Radio 1 interview last week, but that wasn't all.
Following the interview, Britney was taken to a room filled with green screen, and got into the Halloween spirit with the presenter.
Sitting on her throne, weilding an axe and flying a broomstick were just some of the things 'Grimmy' got the Princess of Pop to do, and she happily obliged, even putting on her best British accent for some of the routine.
Check out Britney Spears and Nick Grimshaw in 'It's Britney Witch!' below.
Tagged in Britney Spears Nick Grimshaw