Pop star Kelly Clarkson may have been involved in a secret love triangle with fellow Idol contestants Justin Guarini and Tamyra Gray, according to a tell-all new book spilling the secrets of one of America's most successful television shows.

In American Idol: The Untold Story, which hit bookshelves on Wednesday just hours before the 10th season of the show premiered on Fox, author and entertainment columnist Richard Rushfield suggests that Season One's contestants were bed-hopping years before the Jersey Shore cast made it a reality-show staple.

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