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Justin Bieber kicks off the start of his Believe tour at the Jobing Arena with support from Carly Rae Jepsen and Cody Simpson. The 18-year-old pop star battled illness during the show and vomited on stage in front of fans. Glendale, Arizona - 29.09.12 Mandatory Credit: WENN.com

2012 Year In Review: Top 5 Justin Bieber Moments

December 18, 2012

This is a big statement, but 2012 could possibly be the biggest year yet for the pop hit-making, drop-crotch-wearing, super super swaggy Justin Bieber.  There is a long, long list of moments that could have made it into this post -- but for brevity's sake, we stuck to five. --Carly Maga