Underwood received rave reviews for her first episode, with many viewers taking to X to admit that they prefer her over Perry ...

Katy Perry teamed up with Rebecca Black to perform 'Last Friday Night (T.G.I.F.)' and invited her on the Lifetimes Tour.

Katy Perry was a judge on ‘American Idol’ for seven years until she announced she was leaving the singing competition in ...

Pop star Katy Perry will fly to space this spring as part of a six-member, all-female crew with Blue Origin, the company ...

Katy Perry is reportedly turning to her former rival, Taylor Swift, for advice as she faces challenges with slow ticket sales ...

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, ...

Katy Perry shared what her fiancé Orlando Bloom said about her upcoming Blue Origin space trip with Gayle King and more.

Katy Perry, Miranda Kerr, Orlando Bloom and Evan Spiegel were all in attendance at Vanity Fair's annual Oscars after party ...