And then there was one - maybe.<br/> <br />Mariah Carey and Nicki Minaj are the latest to leave American Idol's judges' table.<br/> <br />Carey's public relations firm confirmed her departure on Twitter, saying she plans to embark on a world tour.<br/> <br />Minaj also used social media for her announcement, tweeting that it was time to focus on her music.<br/> <br />As for now country singer Keith Urban remains - however there are rumors Idol alums including Jennifer Hudson will take over judging duties.<br/> <br />Earlier this month longtime judge Randy Jackson said he would not return to the show.
