In a performance that got social media buzzing, Katy Perry and Rebecca Black teamed up for a surprise duet of viral hit "Last ...

My S.O. will probably tell you that I randomly belt out, "Baby you're a firework" several times a day because I can't get ...

Katy Perry was considered a staple on American Idol ... Before she accepted the award, Orlando affectionately introduced Katy as her full name, Katheryn Hudson.

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

“You fell in love with her as Katy Perry, I fell in love with her as Katheryn ... Oh, and btw, here’s Katy’s full acceptance speech in the event you’re in the mood to cry: Katy and ...

Katy Perry has officially left 'American Idol' after seven seasons and has been replaced with Carrie Underwood. Fans want to know why.

Katy Perry stopped by The Morning Mash Up at SiriusXM Studios in Las Vegas on Thursday to promote her upcoming "The Lifetimes ...

Katy Perry has reunited with Rebecca Black during ... and finding ‘Salvation’: “I just hope people can see my full journey” The moment took place at a recent show in Los Angeles over ...

American Idol's original winner Kelly Clarkson shares how she feels about fellow Idol Carrie Underwood joining the judge's ...

It's Endymion Day! Here's what you need to know about the parade, including how to watch from home on the NOLA.com Parade Cam ...

Katy Perry is all set to embark on a Blue Origin spaceflight this spring. The 10-minute trip aboard New Shepard marks Blue ...