Updated: Fri, 01 Mar 2013 07:15:00 GMT | By Felicity Thistlethwaite
Happy Birthday, Justin Bieber

Happy Birthday, Justin Bieber

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It's Justin Bieber's 19th birthday on March 1, and the pop heartthrob has definitely come a long way during his time in the spotlight!

From cute popstar to fully-fledged Hollywood hunk , we take a look back at Justin Bieber's rise to fame...