Manager: Fantasia "Is Not Responsible" for Breaking Up Marriage

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American Idol winner Fantasia Barrino is speaking out on rumors that she made a sex tape with a married man, causing his wife, Paula Cook, to file for divorce.

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Fantasia's manager, Brian Dickens, tells the season 3 champ, 26, is "certain that she is not responsible for the deterioration of Cook's marriage."

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"Fantasia will weather this storm with the dignity and grace that she has exemplified throughout a life in which she has repeatedly overcome obstacles and challenges. Fantasia's faith in God, herself and family remain as strong as ever," continues the statement.

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Paula Cook filed for divorce from her husband Antwaun in North Carolina, claiming he had a "covert adulterous affair" with Barrino, and alleging they "recorded their illicit activity."

Barrino's manager did not touch upon the rumors of a sex tape.