Bieber debuts ‘All I Want for Christmas Is You’ video (and performs with Busta Rhymes and Usher) during ‘Christmas in Rockefeller Center.’ By Jocelyn Vena Justin Bieber at the Christmas Tree lighting at Rockefeller Center in New York City Photo: James Devaney/ Getty Images Deck the halls! The holiday kicked into high gear Wednesday night (November 30) when New York’s massive Christmas tree was lit during “Christmas in Rockefeller Center.” Plenty of A-listers were on hand, including Justin Bieber, who premiered his highly anticipated video for “All I Want for Christmas Is You,” featuring Mariah Carey. Before the strings of lights were illuminated, performances from Michael Bubl
