Justin Bieber has unveiled the video with Mariah Carey for 'All I Want For Christmas Is You' - you can watch it below.
The singer, who released 'Under The Mistletoe' earlier this month, previously announced to fans that the pair have recorded a duet of Carey's Christmas number one 'All I Want For Christmas Is You'.
Justin Bieber posted a video of Mariah Carey discussing the collaboration, in which she says: "I am here today to tell you a little secret, Justin and I are doing a duet together. It is my song All I Want For Christmas Is You, which I wrote and produced and I'm very excited about it, really excited."
"I think a lot of you are very surprised by this, and you're gonna be even more surprised when you hear it. The song sounds great and I'm very excited for everybody to hear it this Christmas and to be totally festive with our festive collabo."
'Under The Mistletoe' always features a track with Boyz II Men.
Justin Bieber, Mariah Carey - 'All I Want For Christmas Is You':
Justin Bieber, Willow Smith - live
You can keep up to date with all the latest news from Gigwise by following us on Twitter and liking us on Facebook.