Katy Perry isn ... Children's Hospital Los Angeles dressed as Mr. and Mrs. Claus. The photos from the event also marked one of the earliest appearances of Bloom on Perry's social media.

Katy Perry is re-releasing her 2009 acoustic EP, 'Live At MTV Unplugged,' exclusively on lavender-colored vinyl.

Memes erupt with Katy Perry's announcement. Because she's bringing Rebecca Black on her tour, KatyCats can't help but poke ...

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 announced in February ... “I mean I love Idol so much,” Perry told host Jimmy Kimmel. “It’s connected me with the heart of America, but I feel like I need to go out and feel ...

Katy Perry has said goodbye to American ... “I mean I love Idol so much,” Perry told host Jimmy Kimmel. “It’s connected me with the heart of America, but I feel like I need to go out ...

Fourteen years after ‘Friday’ video made her the target of cruel comments online, the O.C. native will play Honda Center and ...

Katy Perry/Instagram Katy Perry is opening up about ... the lump in your throat, and in that hollow part of your chest. Grief is just love with no place to go," the quote reads.

Katy Perry surprises Rebecca Black with an on-stage tour invite for 'The Lifetimes Tour.' Fans can expect sci-fi visuals, ...

Katy Perry has been slammed as “unforgivable” by the family of an elderly veteran who was slapped with a $6 million lawsuit by the singer. Perry and her fiancé, Orlando Bloom, emerged ...

Singer Katy Perry is scheduled to blast off on the next launch of Jeff Bezos' Blue Origin rocket, according to the space company. Former correspondent Lauren Sanchez -- also the fiancee of Bezos ...