Canadian singer Justin Bieber performs at the o2 Arena in east London, Monday, March 4, 2013. (Photo by Joel Ryan/Invision/AP)

Associated Press
Canadian singer Justin Bieber performs at the o2 Arena in east London, Monday, March 4, 2013. (Photo by Joel Ryan/Invision/AP)
Canadian singer Justin Bieber performs at the o2 Arena in east London, Monday, March 4, 2013. (Photo by Joel Ryan/Invision/AP)
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