Katy Perry is in on the joke. The pop star poked fun at the backlash she has received in recent months as she celebrated a sold-out show at Madison Square Garden in New York City on Monday, August 11.

Screen siren Cameron Diaz skipped the glam squad and stepped out in New York City with no makeup and her blond hair tied up ...

Katy Perry went to space in April and has had a terrible year. Mariah Carey is learning from Perry. She's staying away from space voyage.