Monkeys, gas masks, and diaper pants, oh my!
Aug. 31, 2012: Justin tweets a photo of one of his first known tattoos. It's a crown.
Sep. 30, 2012: Justin throws up on stage. He tweets that he drank too much milk.
Nov. 9, 2012: Justin and Selena break up for real, for the first time.
Getty Images/Pascal Le Segretain
Nov. 23, 2012: Justin meets the prime minister of Canada while wearing overalls. Justin's awarded the Diamond Jubilee Medal.
