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
Andrew Jackson Higgins (judge) Andrew Jackson Higgins (judge) Andrew Jackson Higgins was a judge on the Supreme Court of Missouri between 1979 and 1991, and its Chief Justice from 1985 to 1987. Previously, he had served as a commissioner for the Supreme Court between 1964 and 1979, and as Circuit Court Judge for Platte County from 1960 to 1964. Zel Fischer, a current Judge of the Supreme Court of Missouri, clerked for Judge Higgins from 1988 to 1989; Judge Higgins administered Judge Fischer's oath. After retiring from the bench, Judge Higgins became an advocate against plans to change the way Missouri selects its judges.