Perez Hilton — OMG! Christmas time!! We are officially in the spirit! Wednesday night, tons of celebrities and musicians came together to celebrate the lighting of the giant Christmas tree most people first saw in Home Alone 2! If you missed Justin Bieber's perfo... more info

411 Mania — A Christmas bash... more info

411 Mania — A little young for you, isn't he? more info

Perez Hilton — New York City was the place to be last night if you were innerested in being filled with holiday spirit! With Justin Bieber essentially headlining the event, a slew of celebs came out to Rockefeller Center to light up the iconic tree for the start of... more info

Starpulse — Justin Bieber, Tony Bennett and Neil Diamond got the holiday season off to a musical start in New York on Wednesday night when they performed festive tunes for thousands of fans gathered for the 79... more info

Big Apple Music Scene — Merry Christmas! Santa came early this year, but he's already out of everything good, so he left you a shrug and this cover of "All I Want for Christmas" sung by Justin Bieber and Mariah Carey. In the video they play a pair of flirtatious maybe-lover... more info

Big Apple Music Scene — • Would you take advice from Kate Gosselin? (Celeb Dirty Laundry) • Jennifer Lopez takes her new BF to Morocco. (Have U Heard) • Kendall and Kylie Jenner can't wait to be aunts.. again (Celebuzz) • Jen and Ben have a day out with the kids.... more info

ContactMusic — Justin Bieber brought in the official countdown to Christmas in New York last night November 30th as the citys huge Christmas tree was lit in anticipation of the advent calendar month - unveiling the video to his and Mariah Careys cover of her classi... more info

People.com — Mariah Carey, Usher and Busta Rhymes join Bieber at the tree-lighting event more info

MTV.co.uk News — Justin Bieber has surpassed 15million followers on Twitter, retaining his place as the second most followed celebrity on the micro-blogging site.The Never Say Never star thanked his fans for their... more info