simon fuller

The Associated Press is reporting that “American Idol” is adding a fourth judge to its eighth season.  Who will be joining Simon Cowell, Paula Abdul, and Randy Jackson? That honor goes to Kara DioGuardi, a song writer who has penned tunes for Christina Aguilera, Kelly Clarkson, Gwen Stefani, Celine Dion, Faith Hill, and Carrie Underwood, among many others. Mike…