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.
Nov. 23, 2012: Justin meets the prime minister of Canada while wearing overalls. Justin's awarded the Diamond Jubilee Medal.
Jan. 19, 2013: Justin takes his butt out on a red carpet. He Instagrams it and then quickly deletes it.
Feb. 12, 2013: Justin gets in a Twitter feud with The Black Keys.
Feb. 25, 2013: Justin wears a gas mask for the first time.
Feb. 27, 2013: Justin is spotted wearing his poopy diaper pants.
March 2, 2013: He has the worst birthday ever.
March 7, 2013: Justin is spotted wearing a gas mask again.
March 8, 2013: Justin is photographed attacking the paparazzi.
March 26, 2013 - Justin spits in his neighbor's face and threatens to kill him. He later has all charges dropped.
March 27, 2013 - Justin gets a 14-week-old monkey and names him OG Mally.
March 28, 2013 - OG Mally is detained in Germany customs and Justin leaves him there.
April 13, 2013: Justin visits the Anne Frank House and says that Anne Frank probably would have been a Belieber.
April 19, 2013: Justin Instagrams himself wearing a Chanel ski mask and captions it "Channel."
April 22, 2013: Justin and Selena get back together for a little while.
May 17, 2013: Germany tells Justin he has 24 hours to come get his monkey. He didn't, and OG Mally eventually ended up in a German zoo and is doing very well now.
June 11, 2013: Justin is spotted driving a leopard-print Audi leaving Miley Cyrus' house.
June 18, 2013: Video surfaces of an alleged hit-and-run involving Justin and a photographer.
July 10, 2013: Justin is videotaped peeing into a restaurant's mop bucket and then started shouting, "Fuck Bill Clinton."
July 25, 2013: Justin is Instagrammed as he spits off a balcony on to his fans below him. Also, during this period, he spit at a lot of other people.
Aug. 1, 2013: Justin takes a fan's iPhone and puts it in his pants and rubs it around.
Oct. 1, 2013: Justin is carried up the Great Wall of China by his bodyguards.
Oct. 7, 2013: A photo surfaces of Justin holding what looks like a blunt.
Oct. 21, 2013: Justin tips a stripper named Diamond a massive pile of money at a Texas strip club.
Nov. 6, 2013: A Brazilian woman takes a video of Justin sleeping in an alleged brothel.
Nov. 18, 2013: Justin starts doing graffiti, which many found racist.
Jan. 5, 2014: Justin and Selena possibly get back together, are spotted riding Segways together.
Jan. 14, 2014: Justin Instagrams photos of some new tattoos.
Jan. 7, 2014: Justin eggs his neighbor's house, causing a reported $20,000 in damage.
Jan. 14, 2014: Half a dozen police cruisers descend on Justin's home, serving him with a felony search warrant in connection with the egging.
Jan. 23, 2014: Justin is arrested in Miami and charged with driving under the influence, resisting arrest, and driving with an expired license.
Jan. 24, 2014: Justin compares himself on Instagram to Michael Jackson.
Jan. 29, 2014: Justin turns himself in to Toronto police and is charged in connection with an alleged assault of a limo driver in December.