Celebrity birthdays in August

Slideshow posted in Photos | Tuesday, July 31, 2012

2 of 73: Sam Worthington turns 36 on Aug. 2, 2012. The actor is known for his roles in the 2009 film 'Terminator Salvation' and the lead role in James Cameron's 2009 film 'Avatar.'

(Pictured: Sam Worthington was at the premiere of Terminator Salvation in Hollywood.) ( Photo / Twentieth Century Fox Film Corporation)

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