Katy Perry Shares a Piece of Advice for Idol Contestants Who Didn't Make Top 14: 'Keep Swinging' Perry's Ariel costume proved limiting from the start. She was wheeled out onto the Idol stage ...

You change your mind, like Katy Perry breaks ... Roman Collins took the stage to sing James Brown’s “It’s A Man’s Man’s Man’s World.” According to Perry, 39, the sculptural chrome ...

Katy Perry brought a new friend out to her ... to her Instagram Story of daughter North West, 9, appearing on stage with Perry, 38, and a few close friends on Saturday night.