Kara DioGuardi Announced As Fourth Judge For The American Idol

Grammy-Nominated songwriter Kara DioGuardi has joined American Idol as a fourth judge. She will sit alongside Paula Abdul, Simon Cowell and Randy Jackson at the judges' table and use her background as an award-winning songwriter and producer to praise or critique the wannabe hopefuls throughout the competition. The eighth season of American Idol premieres January 2009 on FOX.

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