Mary J. Blige to guest judge for American Idol

Fox has announced that Grammy winning R&B singer, Mary J. Blige will be a guest judge at the Atlanta auditions of American Idol.  Blige will join Simon Cowell, Randy Jackson and Kara DioGuardi on the panel. No stranger to television appears, Blige has appeared on the ABC soap One Life To Live and played a “herself” as a tough client who went head to head with Entourage’s Ari Gold played by Jeremy Piven. The episodes of Idol with Blige will air in January when the new season starts.