Katy Perry is re-releasing her 2009 acoustic EP, 'Live At MTV Unplugged,' on lavender-colored vinyl later this year.

Katy Perry and Lady Gaga just reignited the “Roar” vs. “Applause” debate that had lay dormant for more than a decade. The two ...

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 is reportedly leaning on Taylor Swift for advice as she struggles with low ticket sales for her upcoming Lifetimes ...

American Idol returned to ABC on Sunday for its 23rd season, with former champion Carrie Underwood joining the judging panel ...