American Idol that season, but left after just one season. On January 11, 2010, Simon Cowell left the show to pursue introducing the American version of his show "The X Factor" for 2011. Jennifer Lopez and Steven Tyler joined the judging panel in the tenth season, but both left after two seasons. They were replaced by three new judges, Mariah Carey, Nicki Minaj and Keith Urban, who joined Randy Jackson in the twelfth season. However both Carey and Minaj left after one season, and Randy Jackson departed the show after twelve seasons as a judge but would return as a mentor. Urban
Randy Jackson on "American Idol" on the internet radio station Artist Underground. Starting in 2002, Jackson was one of the panel judges on the Fox Network reality television series "American Idol", along with Paula Abdul (2002–2009), Simon Cowell (2002–2010), Kara DioGuardi (2009–2010), Ellen DeGeneres (2010), Jennifer Lopez (2011–2012), Steven Tyler (2011–2012), Nicki Minaj (2013), Mariah Carey (2013) and Keith Urban (2013). As a result of Cowell's departure, Jackson was left as the sole original judge on "American Idol". His role was originally going to be reduced to that of a mentor, so the 2013 season would have all new judges, but it