Doug Kiker, a contestant on 'American Idol' Season 18 who moved Katy Perry to tears in his audition, has died. He was 32.

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

Katy Perry has teamed up with Rebecca Black for Perry's Lifetimes tour. Black, who appeared in Perry's 2011 video for Last ...

Guerrero died unexpectedly last week at age 34, and has received tributes from a number of stars including Kylie Jenner, ...

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

Carrie Underwood replaced Katy as a judge on 'American Idol,' but some fans miss the 'Teenage Dream' hitmaker. Find out why ...