America’s number-one TV series is getting a new cast member.
Grammy-nominated 37-year-old Kara DioGuardi – who has written songs for “American Idol” vets Kelly Clarkson, Carrie Underwood and Bo Bice, as well as Christina Aguilera, Gwen Stefani, Pink, Avril Lavigne, Britney Spears, Pussycat Dolls, Celine Dion, Hannah Montana, Jonas Brothers, Paris Hilton, Faith Hill, Santana, Ashlee Simpson, Jewel, Kylie Minogue, RBD, Laura Pausini, Enrique Iglesias, Marc Anthony, Dr Dre, Timbaland, Justin Timberlake, Thalía and Ricky Martin – has joined “American Idol” as its fourth judge.