American Idol (season 12) American Idol (season 12) The twelfth season of "American Idol" premiered on January 16, 2013, as part of the mid-season of the 2012–13 network television season. Ryan Seacrest returned to host. Randy Jackson returned for his twelfth season as judge and was joined by new judges Mariah Carey, Nicki Minaj and Keith Urban, who replaced Jennifer Lopez and Steven Tyler. The season was the third to have four judges, after the eighth and ninth seasons. It was also the first season in the show's history where all the finalists of one gender (male) were eliminated before any finalists of the
American Idol (season 9) the show as the new permanent fourth judge for the rounds held at CBS Television City for Hollywood Week and thereafter, onto the live shows. In addition, Simon Cowell announced shortly before the ninth season began that it would be his last season on "American Idol". Cowell left the show to begin preparations for an American version of his talent show "The X-Factor". Also, DeGeneres announced on July 29, 2010 that she would not return to the judging panel because it was not the right fit for her. DioGuardi would also not return as a judge for the tenth season