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

Lady Gaga and Katy Perry attend the Academy Museum of Motion Pictures: Opening Gala honoring Haile Gerima and Sophia Loren, ...

But before she does, we talk to her about Gaga, her daughter Daisy and how she's bringing us to her planet on the Lifetimes ...

It's not every day that a designer's first pair of shoes ends up on the feet of Lady Gaga, but that's exactly what happened ...

If you think that the Lady Gaga versus Katy Perry wars are over, well, think again because our Main Pop Girls are back in the game—music-wise and fandom wars-wise! Little Monsters are once again ...

Katy Perry, John Mayer, Lady Gaga, Billie Eilish and Gwen Stefani were among the A-Listers tapped to perform at the two upcoming shows, according to a press release. Other included artists will be ...

Katy Perry is about to hit the road with her ‘Lifetimes’ Tour after nearly 8 years, and the pop star shares what her fans can ...