Former "American Idol" Judge Kara DioGuardi to Tell All

| by Kate Wharmby Seldman

Kara DioGuardi is ready to spill secrets about the big judge switcheroo on "American Idol."

Web site Wizbang Pop reports DioGuardi, who was a judge on seasons 8 and 9 of "American Idol," has written a tell-all book detailing what happened when she was fired from "A.I." She'll also dish details on Simon Cowell's and Ellen DeGeneres' exits from the show. DioGuardi's book may also shed some light on Paula Abdul's departure.

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DioGuardi's book is titled "A Helluva High Note: Surviving Life, Love and American Idol," and it's set to be released on April 26, 2011.