Teen singing sensation Justin Bieber released a new single from his upcoming Christmas album for the second Monday in a row yesterday, this one a rendition of the holiday classic "The Christmas Song (Chestnuts Roasting on an Open Fire)", featuring Usher.  Bieber's album, which also includes collaborations with Boys II Men, Mariah Carey and others, is titled "Under the Mistletoe" and due in stores November 1st. 

Also on Monday, organizers for the upcoming American Music Awards announced Bieber will perform.  Listen to Usher and Justin's take on the Christmas classic below.