Kara DioGuardi has served as an American Idol judge, singer-songwriter, producer, and publisher. Her musical taste has differed from pop to rock and R&B.

Her songwriting has won her dozens of awards, including 15 BMI Awards, a Grammy nomination, and the 2007 Pop Songwriter of the Year award.

Kara served as a judge on Idol's eighth and ninth seasons before departing from the show.

While working with Carrie, Kara co-wrote "Undo It" and "Mama's Song".