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Alicia Silverstone turns 36 on Oct. 4, 2012. The actress and former model is known for her portrayal of Cher Horowitz in the 1995 movie 'Clueless.' She's also been in films such as the 1997 'Batman & Robin.'
Pictured: Alicia Silverstone speaks at Alanis Morissette's induction ceremony at the Guitar Center's Hollywood RockWalk on Aug. 21, 2012.