Katy Perry is going from "California Gurls" to RuGirls. The pop star, 40, was just announced as the guest judge for season 17 premiere of RuPaul's Drag Race, which will air on Friday, Jan. 3 on MTV.

One of the biggest names to come out of the music industry in the 2000s, Katy Perry continues to dominate headlines even to this day, primarily due to the impact she has had on pop culture.

In our video interview at Sunday's All Shook Down Music Festival, A B & the Sea singer-guitarist Koley O'Brien broke the news that his impressive indie-pop outfit has put together a cover of Katy ...

This is read by an automated voice. Please report any issues or inconsistencies here. Katy Perry and Justin Trudeau were photographed holding hands during a date night in Paris on Saturday. The pair ...

In USA TODAY’s The Essentials, celebrities share what fuels their lives, whether it's at home, on set or on the road. As she prepares to embark on her first world tour in seven years, Katy Perry needs ...