American Idol 'American Idol' runner-up Kree Harrison: I learned so much while on the show 05/21/2013 American Idol crowned Candice Glover its twelfth-season winner over runner-up Kree Harrison during Thursday night's live finale broadcast on Fox. 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: American Idol Candice Glover Kree Harrison Amber Holcomb Keith Urban