It's hard to believe that Justin Bieber is a married man now — it seems like just yesterday that he was an up-and-coming child pop star with an iconic haircut and a legion of young fans. Though his career began in 2007 at the tender age of 12, he's is now more than twice that age. He's transformed over the years from the "Baby" singer to a total babe of a singer, and if you're wondering when exactly that happened, you're not the only one. Let's take a walk down memory lane to see Justin's transition from boy to man over the past 13 years.
Image Source: Getty / Gilbert Carrasquillo