October 6, 2009 5:00 pm Backstage With Katy Perry Go backstage with model Behati Prinsloo as she interviews pop sensation, Katy Perry. Catch more Supermodel Secrets at Modelinia.com. US & World Videos 1:14 Prince Harry photobombs Meghan Markle's selfie in Nigeria 4:41 How ‘Bachelorette' Hannah Brown knew fiancé Adam Woolard was the one 6:04 Matt Rife reveals wildest gift a fan gave him 7:23 Chrissy Teigen gets ‘sentimental' gift from John Legend every year 2:36 Mandarin immersion program gaining popularity in Orange County