American Idol Katy Perry officially announced as 'American Idol' judge by ABC 05/17/2017 Katy Perry has officially been named the first judge on American Idol's revival. Read More RELATED NEWS 'American Idol' couple Gabby Barrett and Cade Foehner expecting their first childKaty Perry honors late friend and mentor: "I am incredibly grateful"Bobby Bones joins 'American Idol' as in-house mentor for Season 17 TAGS: American Idol The Bachelor Dancing with the Stars The Voice The X Factor Paula Abdul Kelly Clarkson Chris Daughtry Trent Harmon Taylor Hicks Jennifer Hudson Adam Levine Jennifer Lopez Katharine McPhee Ryan Seacrest Blake Shelton Steven Tyler Keith Urban Miley Cyrus Katy Perry Kelly Ripa