Interview: Katy Perry

So here we are: just after midnight, October 25th, 2011, in Katy Perry’s dressing room at Belfast’s Odyssey. She is still dressed in her sparkly pink stage costume, has just completed a shake’n’hug’n’meet’n’greet with several troops of her fans, and welcomes us in with a whoop and a holler of “It’s my birthday! Glass of wine?” Well, it’d be rude