After getting us in the holiday spirit early with his winter romance-themed 'Mistletoe' video, Justin Bieber just revealed another gift for fans -- behind-the-scenes footage from a studio session with mentor Usher. The two "brothers" filmed the scenes while recording the vocals for another track off Biebs' 'Under the Mistletoe' LP, 'The Christmas Song (Chestnuts Roasting on an Open Fire).'

In the webisode, we get a glimpse at the making of Bieber's new Christmas album, out Nov. 1, as well as candid footage of the teen pop protégé with the superstar who discovered him on YouTube and helped him become, well, Justin Bieber.

How touching! We already heard the pair sing together on Bieber's smash hit 'Somebody to Love,' and it's so sweet to see the dynamic duo at it again on the new cover of an old Christmas classic.

Watching Justin and Usher in action gets us even more excited for another highly anticipated pair-up on Bieber's star-studded holiday album. We can't wait to hear how his revamped 'All I Want for Christmas' with new mama Mariah Carey!

Watch Footage From Usher & Justin Bieber's Studio Session

Watch Usher's 'You Mae Me Wanna'

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