Slideshow posted in Entertainment News | Tuesday, July 26, 2011
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Olivia Wilde is naturally blonde, despite her hair being almost always brunette in her film and television show roles.
(Pictured: Olivia Wilde appears in a scene from the show 'The O.C.' / Olivia Wilde appears in a scene from the 2011 film 'Cowboys and Aliens.')
( Photo / Warner Bros. Television / Universal Pictures / DreamWorks Pictures)