Justin har varit väldigt upptagen den här veckan. Han släppte ett nytt album " Under the mistletoe " i Tisdags, var med på Dancing With the Stars, Jay Leno, Ellen Show, och freestyle rappade till Otis på Power 106 FM och spelade in musikvideon till " Fa La La " med Boyz II Men. Men lyckades också klämma in en inspelning med Mariah Carey i NYC den 3e November.

Justin Bieber, Mariah Carey och Justin Biebers team twittrade om videon till " All I want for christmas is you "
Det här twittrade dom:

Justin Bieber
" 4.30 AM and going hard on the 'All I Want For Christmas Is You' shoot with @mariahcarey !! #superfestive #underthemistletoe "

Justin Bieber
" just wrapped the ALL I WANT FOR CHRISTMAS IS YOU with the icon and amazing @mariahcarey ! HONORED and I
think this video is gonna b classic! "

Mariah Carey
" Shooting the final take of " All I want.. " duet with surprise appearance by Jilly beans & directed by my friend, the wonderful Sanaa Hamri "

Adam Braun
" Somehow got pulled into a @justinbieber music vid w @AlfredoFlores tonight till dawn... Damn you @KennyHamilton @scooterbraun "

Alfredo Flores
" 6:30a.m and still going strong! "
" It's a wrappppp!!!!! Words can't describe today. It was a MOVIE. @JustinBieber and @MariahCarey killed it! #UNDERTHEMISTLETOE "

Kenny Hamilton
" I'm so tired! Been up since this time yday. "
" What’s up @jonathancheban just saw your @realwodkavodka billboard in NYC "