2 of 9: Barbara Walters interviews teen sensation Justin Bieber backstage at the Izod Arena in New Jersey, for "Barbara Walters Presents: The 10 Most Fascinating People of 2010," an hour-long ABC News special highlighting some of the year's most prominent names in entertainment, sports, politics and pop-culture airing THURSDAY, DEC. 9 (9-10pm CT) on the ABC Television Network. Now in its 18th season, "Barbara Walters Presents: The 10 Most Fascinating People" has consistently been one of the highest rated specials of the year. (ABC/Lou Rocco)

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