Katy Perry was ... a homage to her own song Friday. The skit opens with Katy entering Rebecca's dressing room, sporting a colorful look with a leather jacket layered on top.

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

American Idol' has plenty of well-known faces — but did you know some of the singers have come from famous families? See who ...

She also played the unreleased song “Brick By Brick” and covered ... all making the U.S. Top 40. Order Katy Perry Live At MTV Unplugged now.

If you need a refresher on the rule change that shook up the singing competition show forever, you may be wondering what a ...

Four Arizonans will compete on "American Idol" Season 23. It premieres on March 9 with Ryan Seacrest, Carrie Underwood, Luke Bryan and Lionel Richie.

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

Producer and songwriter Benny Blanco is behind hit songs released by Ed Sheeran, Rihanna, Katy Perry, and others.

Katy Perry announced in February ... who loved the pop star’s over-the-top themed outfits and how she always encouraged contestants to never give up. Perry joined ABC's revival of American ...

Katy Perry has said ... introducing people to a few new songs, and I'm calling it Lifetimes Tour because I'm celebrating the whole lifetime of songs thus far," Perry told PEOPLE, noting that ...

Katy Perry’s 2011 song "Last Friday Night (T.G.I.F)" from her third studio album, Teenage Dream, has debuted on US Spotify.