Remember last week when Maroon 5's new video for the song Sugar came out? It showed Maroon 5 "crashing" weddings and surprising brides and grooms with a performance at their special day?
Ariana Grande, Pharrell and Maroon 5 have been announce to headline 'A Very Grammy Christmas Special' which will air on Dec. 5 on CBS. Country legend Tim McGraw will also be performing as part of the special.