“The OC” actress Olivia Wilde has just been glamourized! Just take a look at these studio photos of the American actress and you can definitely see that she’s prettified. Not that that’s not a good thing, of course! Olivia, who also appears in “House” and “The Black Donnellys,” is an avid supporter of Democratic presidential candidate Barack Obama. She holds a dual citizenship in the United States and in Ireland. Here’s a quick trivia: Olivia, who sports dark hair, is a natural blonde! Why do you think she dyed her hair?