Canadian singer Justin Bieber shakes hands with a fan as he performs 

Canadian singer Justin Bieber shakes hands with a fan as he performs on stage during the "I Believe Tour " in Berlin, Germany, Sunday, March 31, 2013. (AP Photo/Gero Breloer)
Associated Press
Canadian singer Justin Bieber shakes hands with a fan as he performs on stage during the "I Believe Tour " in Berlin, Germany, Sunday, March 31, 2013. (AP Photo/Gero Breloer)
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