Olivia Wilde is the next big thing in Tinseltown these days. Not only did she turn heads as the Quora, a digital Joan-of-Arc in Lycra, in last year's " TRON: Legacy ," but she's also starring in a pair of movies this summer - " Cowboys and Aliens " and this week's " The Change-Up ." While you might know her for her appearances in "The O.C." and in "House," you might not know some other things about her. For instance, her real name is Olivia Cockburn. She based her stage name after the famed Irish writer Oscar Wilde, which is fitting as she has dual Irish and American citizenship. Click ahead and learn more strange and unusual things about Olivia Wilde.