Los Angeles:
Pop star Mariah Carey is the special secret guest on Justin Bieber's Christmas album.
The 17-year-old singing star, Bieber announced via Twitter that the pair will duet on her single 'All I Want For Christmas', reported MTV online.
"Oh yeah...didnt I promise everyone I would tell them who my last special guest is on my Christmas album," he tweeted.
"I mean the fact that I might be singing with one of the greatest voices ever one of the greatest songs of Christmas ever," he added.
Bieber then tweeted a link to a video of Carey. "Well like I said..It is not your normal Christmas album.right Mariah Carey," he wrote on Twitter.
In the video, Mariah said: "What's up I'm Mariah Carey and I'm here today to tell you a little secret. Justin and I are doing this duet together, it is my song 'All I Want For Christmas', which I wrote and produced.
"I'm very excited about it. I'm sure many people are surprised and you're going to be more surprised when you hear it. The song sounds great and I'm very excited for you all to hear it this Christmas and be totally festive with our festive collaboration," she added.
The 'Baby' singer has worked with high-profile stars on a selection of duets for the festive record - including Busta Rhymes, Boyz II Men, Usher and The Band Perry.
The 17-year-old singing star, Bieber announced via Twitter that the pair will duet on her single 'All I Want For Christmas', reported MTV online.
"Oh yeah...didnt I promise everyone I would tell them who my last special guest is on my Christmas album," he tweeted.
"I mean the fact that I might be singing with one of the greatest voices ever one of the greatest songs of Christmas ever," he added.
Bieber then tweeted a link to a video of Carey. "Well like I said..It is not your normal Christmas album.right Mariah Carey," he wrote on Twitter.
In the video, Mariah said: "What's up I'm Mariah Carey and I'm here today to tell you a little secret. Justin and I are doing this duet together, it is my song 'All I Want For Christmas', which I wrote and produced.
"I'm very excited about it. I'm sure many people are surprised and you're going to be more surprised when you hear it. The song sounds great and I'm very excited for you all to hear it this Christmas and be totally festive with our festive collaboration," she added.
The 'Baby' singer has worked with high-profile stars on a selection of duets for the festive record - including Busta Rhymes, Boyz II Men, Usher and The Band Perry.
