LL Cool J And Mary J. Blige

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Mary said knock you out. Mary J. Blige flexes her muscles for host LL Cool J backstage at the taping for "A Very GRAMMY Christmas" on Nov. 18 in Los Angeles. Catch all of the performances and the announcement of Album Of The Year nominees Dec. 5 on CBS at 9 p.m. ET/PT

Photo: Frazer Harrison/WireImage.com

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