Kara Elizabeth DioGuardi (born December 9, 1970) is an American songwriter, record producer, and singer who has contributed to a long list of internationally successful popular songs. She writes music in the light pop-rock genre. She is the new Judge on the eighth season of American Idol. DioGuardi has worked with Celine Dion, David Archuleta, Kelly Clarkson, Carrie Underwood, and Paula Abdul, American Idol's other female judge.