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

Doug Kiker, the garbage collector turned musician who moved Katy Perry to tears on "American Idol," has died, his family ...

Douglas Kiker, a contestant on “American Idol” Season 18 who memorably moved series judge Katy Perry to tears with his ...

Katy Perry shared a heartbreaking tribute to her hairstylist Jesus ... the Los Angeles-based stylist’s body to his hometown ...

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

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

Singer Katy Perry is one of the latest celebrities to share her tribute to late hair stylist Jesus Guerrero, after he passed ...