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A Very Grammy Christmas
Ariana Grande and Big Sean, who are rumored to be dating, hit the stage in a duet performance.
(Paul A. Hebert / Invision / AP)

A look at the musical acts at the taping of “A Very Grammy Christmas” on Nov. 18, 2014, at the Shrine Auditorium in Los Angeles. The television special will air on Dec. 5, and the 57th Annual Grammy Awards will take place in Los Angeles on Feb. 8, 2015.

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