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Michael Sheen turns 44 on Feb. 5, 2013. The actor is known for movies such as 'The Twilight Saga: New Moon,' 'Underworld: Rise of the Lycans,' 'Frost/Nixon,' 'Kingdom Heaven,' and 'Underworld.'
(Pictured: Michael Sheen as Aro Volturi in 'The Twilight Saga: New Moon.')
( Photo / Imprint Entertainment/Summit Entertainment)