katy perry

Harry Styles, Anna Kendrick, Katy Perry and more stars react to the U.S. Supreme Court's historic decision.

Madge gathers a few of her famous friends to celebrate the world's greatest pop star: Herself.

The Smithsonian's new National Portrait Gallery features paintings of pop's leading ladies.

Katy Perry perhaps took a page from her frenemy Taylor Swift's book and attempted to trademark the iconic Left Shark from her 2015 Super Bowl performance -- only she was denied.

Watch this promo video of stars like Katy Perry and Britney Spears singing at recently shuttered karaoke bar Dimples.

Katy Perry is selling onesies that look like the shark costumes worn by her dancers at the Superbowl.

According to ABC News and Entertainment Tonight, Katy Perry is back on with her ex-lover and part time Bozeman, Montana resident, singer John Mayer.

With all Internet memes comes monetization, and so it is that Katy Perry's Super Bowl shark dancers have their own commercial.

John Mayer guest-hosted 'The Late Late Show' last night (Feb. 4), and of course, he couldn't resist gushing about Katy Perry's epic Super Bowl performance.

What's a girl to do after she completely nails her 2015 Super Bowl Halftime performance? Get a tattoo to commemorate the iconic event, obvs.

Katy Perry showed the world that she is, indeed, a "firework" as she lit up the University of Phoenix Stadium during the 49th Super Bowl halftime show in front of millions of viewers worldwide.

Katy Perry is speaking out about her rumored feud with Taylor Swift.