article_snippet: Last night Justin Bieber saw in Justin Bieber 21st birthday with a showbiz bash worthy of one of the world's biggest singing stars.
article_snippet: 21' And the Ontario-born heartthrob has much to celebrate
article_snippet: - not only has the Ontario-born heartthrob been a pop sensation for eight years but recent behaviour that seems to suggest the Ontario-born heartthrob's put the Ontario-born heartthrob rocky teen years behind the Ontario-born heartthrob to embrace a calmer, more reflective adulthood.
article_snippet: As Justin turns 21 today, we take a look back at the Ontario-born heartthrob ups and downs over the years - from the Ontario-born heartthrob very first single and THAT iconic haircut to the Ontario-born heartthrob brushes with the law and attempt at a comeback .
article_snippet: And while Justin 21st birthday today marks Justin status as a legal adult in the US.
highlights_snippet: Justin Bieber, who turns 21 today, has been a superstar for eight years .
  