She grew up around celebrities.
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The daughter of prominent international journalists Andrew and Leslie Cockburn, Wilde enjoyed a childhood full of celebrities. At age four, Wilde was once shooed away by future boss Mick Jagger when he caught her eavesdropping on a conversation between himself and diplomat Richard Holbrooke.
Photo: Getty Images - Andrew H. Walker / Staff
She's named after a famous author.
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Wilde's original last name, Cockburn, isn't the most suitable for a beautiful actress, so she understandably decided to go by a stage name. Why did she choose Olivia Wilde? According to Olivia, it was a tribute to author and playwright Oscar Wilde.
She drank real beer while filming "Drinking Buddies."
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That wasn't colored water that Olivia Wilde was gulping down in the 2013 romantic comedy Drinking Buddies. Since the movie was filmed in a brewery, real beer was actually cheaper than water. She told Off Camera with Sam Jones: "We were hammered the entire movie."
She has famous roots.
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Wilde's family has been famous for generations. Her paternal ancestors include politician George Arbuthnot and British colonial administrator Henry Arthur Blake, along with Sir George Cockburn, who ordered the 1814 burning of Washington.
Photo: Wikimedia Commons
She married a prince.
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Most girls dream of marrying a prince, but Wilde actually did it. She eloped with Italian prince and filmmaker Tao Ruspoli when she was just 19 years old. The couple divorced after eight years, and she's now married to actor Jason Sudeikis.
Photo: Getty Images - Todd Williamson Archive / Contributor
She didn't let pregnancy slow her down.
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Wilde continued to work toward the end of her pregnancy with first child Otis. In fact, she shot one of the scenes from horror film The Lazarus Effect while eight months pregnant. She has said that her pregnant belly was "a whole other horror movie."
She has a super-cool tattoo.
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Always proud of her family and heritage, Wilde's wrist tattoo reads, "All Love, A." Those are the last words her much-loved uncle, Alexander Cockburn, wrote to her, and it reminds her to love everyone.
Photo: Getty Images - Michael Loccisano / Staff
Her babysitter was Christopher Hitchens.
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Bestselling author and renowned intellectual Christopher Hitchens used to babysit little Olivia. The late Hitchens acknowledged her determination saying: "With Olivia you could tell it was going to be the movies or stage or TV or nothing."
Photo: © Brooks Kraft/Corbis
She learned to act in Ireland.
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Considering that Wilde is part Irish and that her father grew up in Ireland, it makes sense that the actress chose to study her craft in Ireland. As a young woman, she graduated from the Gaiety School of Acting in Dublin.
Photo: Tinseltown / Shutterstock.com
She's a foodie.
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You can't tell from looking at her, but Olivia Wilde loves to cook and go out to dinner (she captioned the image here "Working-mom-guilt special"). Wilde even remarked once that she would rather take 10 people out to dinner than buy an expensive outfit.
She's a classic car buff.
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As if she wasn't sexy enough, Wilde's interest in classic cars is just one more thing guys love about her. She reportedly owns a 1958 Chevy Biscayne and a 1959 Thunderbird convertible, and once owned a 1966 Lincoln Continental.
Her grandfather wrote "Beat the Devil."
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Olivia Wilde's journalist grandfather Claude Cockburn wrote the novel Beat the Devil under the pseudonym James Helvick. The thriller was subsequently made into a film of the same title starring the legendary Humphrey Bogart.
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In addition to her involvement with Barack Obama's and Hillary Clinton's political campaigns, Wilde has donated time to a number of charitable organizations, even serving on the board of Artists for Peace and Justice.
Photo: © Fred Prouser/Reuters/Corbis
She's a pescatarian.
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Voted PETA's Sexiest Vegetarian Celebrity of 2010, Olivia Wilde has been vegetarian, vegan, and is currently a pescatarian—basically a vegetarian who eats fish or seafood. She's outspoken about her health-conscious diet and encourages others to try veganism.
Her squad is the coolest.
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Second only to Taylor Swift's, Wilde's list of friends is the most impressive we've ever seen. Her squad includes actor Patrick Fugit (Gone Girl), Megalyn Echikunwoke (House of Lies), and her super-sexy TRON: Legacy costar Garrett Hedlund.
Photo: © DANNY MOLOSHOK/Reuters/Corbis