An inside look at the phenomenon that is sweeping the nation. Justin Bieber, along with music's top icons, give you the scoop on how he became the pop sensation that he is today. Although many would like to call Bieber an 'overnight sensation,' his Beliebers (what he adoringly calls his fans) have been following his trail since 2007.
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!["Biebermania!" Official Trailer [HD]](https://i.ytimg.com/vi/JJF-Ri5kw_4/hqdefault.jpg)
