When Justin Bieber stepped into the limelight with his first banger "One Time", his whole life and everything he knew up to that point was about to change. He became one of the most famous people in the world, seemingly overnight, and he was only 16 years old.
It was all fun and games until the fast life caught up to him and began to take a toll on his mental health.
Let's just say, Justin has come a long way since his classic sideways hair-flip and serenading the entire teenage female population.