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Katy chatted about her upcoming 3D concert film (she goes sans make-up!), dodged multiple questions about sex (she's a 'good Christian girl'!) and finally made every guy's dream come true when she said she's like to, ahem, you know, with her gal pal Rihanna.
Nessa: Are you and Rihanna ever gonna put music our together?
Katy: No, but we're gonna have sex.
Meow! Check out Nessa's full interview with Katy: