Justin Bieber Duets With a Superstar

Justin Bieber has been teasing his fans with a surprise special guest on his upcoming Christmas album, and late Tuesday night he finally revealed who it is. Plus, find out which famous song the pair will be singing! Also, Selena Gomez experiments with a new 'do and Kris Humphries is spotted with his wedding band on for the first time since his late August nuptials.

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