Katy Perry was a judge on ‘American Idol’ for seven years until she announced she was leaving the singing competition in ...

Carrie Underwood replaced Katy as a judge on ‘American Idol,’ but some fans miss the ‘Teenage Dream’ hitmaker. Find out why ...

Katy Perry's 2010 hit 'California Gurls' has joined the Spotify Billions Club after reaching one billion streams on the ...

Katy Perry surprises Rebecca Black with an on-stage tour invite for 'The Lifetimes Tour.' Fans can expect sci-fi visuals, ...

That’s the question on American Idol fans’ minds as the new season kicks off without the singer. Katy became a fixture on ...