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Johnny Knoxville turns 41 on March 11, 2012. The actor has appeared in films such as 'The Dukes of Hazzard' and 'The Ringer,' but is better known for his daring stunts in television show, 'Jackass,' and its subsequent films.
(Pictured: Johnny Knoxville is pictured with Katherine Heigl in a scene from 'The Ringer.')
( Photo / Conundrum Entertainment)