Under the Mistletoe is the first Christmas album and second studio album by Canadian recording artist Justin Bieber, which was released on November 1, 2011 by Island Records.

On August 25, 2011, Bieber announced that he would be releasing his first Christmas album and second studio album later in 2011. Manager Scooter Braun and vocal producer Kuk Harrell confirmed a week later that Bieber had collaborated with Sean Kingston and Taylor Swift and had also worked with producers The Messengers. Later that month, it was announced that Boyz II Men, Usher, and The Band Perry were also collaborating with Bieber on the album. On September 30, 2011, Bieber released the official album cover and album name on Facebook. On October 4, 2011, Mariah Carey revealed that she and Bieber recorded her song "All I Want for Christmas Is You" as a duet for the new album. Justin's version of the song "Santa Claus Is Coming To Town" samples the song I Want You Back by the Jackson 5.