Audra McDonald, Ariana Grande, Kelly Clarkson Rehearse "Christmas in Rockefeller Center"
"Christmas in Rockefeller Center," NBC's annual celebration of the lighting of the world’s most famous Christmas tree, will be broadcast live from Rockefeller Center Dec. 4 at 8 PM ET. Here is a look at a few of the performers in rehearsal, along with some shots from last year.
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