Katy Perry talks to BBC Radio 1's Nick Grimshaw - BBC News
Ahead of her Brits show, Katy fills in Nick Grimshaw on the power of performing as a thirty-something, and what it's like seeing her peers in the audience.
Ahead of her Brits show, Katy fills in Nick Grimshaw on the power of performing as a thirty-something, and what it's like seeing her peers in the audience.