Sixteen years ago today, a bubblegum blast of whipped cream and beach sunshine took over the top of the Billboard Hot 100 and refused to budge. On June 19, 2010, Katy Perry's "California Gurls," ...

All the latest news and updates on American singer Katy Perry, who is best known for songs including Firework (2010), California Gurls (2010) and Roar (2013). She was previously a judge on talent show ...

Katy Perry may have been eclipsed by other female performers in recent years, but her sold-out Irish show proved she's still a force to be reckoned with ...

Rema, Tyla, Future and Dan + Shay also performed ahead of the U.S. Men's National Team's opening win against Paraguay.