American Idol Mariah Carey reportedly close to signing a deal with 'American Idol' to serve as judge 07/23/2012 Mariah Carey is reportedly in the process of finalizing a deal to serve as a judge on American Idol's upcoming twelfth season. Read More RELATED NEWS Mariah Carey to reportedly star in her own docu-reality series Former 'American Idol' in-house mentor Jimmy Iovine marries Liberty Ross Mariah Carey engaged to billionaire businessman James Packer after whirlwind romance TAGS: America's Got Talent American Idol The X Factor Mariah Carey Simon Cowell Randy Jackson Jennifer Lopez Demi Lovato L.A. Reid Britney Spears Steven Tyler Nick Cannon