FILE - In this March 31, 2013 file photo, Canadian singer Justin Bieber performs on stage during the "I Believe Tour " in Berlin, Germany. Over the past year, Bieber went on a world tour of mayhem, from speeding in the streets of Los Angeles, to suggestions of smoking weed to spraying illegal graffiti in Colombia to stepping on the Argentinian flag. (AP Photo/Gero Breloer, File)