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Leighton Meester and Adam Brody were both early 2000s heartthrobs for their respective roles in The O.C and the original Gossip Girl, but they are extremely private when it comes to behind-the-scenes romance. Not only did they keep their wedding a secret, but their daughter has never been photographed and posted by the couple.
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While Alexis Bledel may have a face anyone can recognize, the Gilmore Girls star kept her whole pregnancy a secret, and planned to do so following the birth, until her co-star, Scott Patterson, let it slip in an interview!
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Isla Fisher and Sacha Baron Cohen have three children together, and every time Fisher was pregnant she kept it a secret, save for her third pregnancy when she was forced to pull out of Now You See Me 2 because of her due date.
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While Keith Urban and Nicole Kidman don't keep their relationship under wraps, they do their children! The public was not made aware of their daughters until well after their arrival, and still the two opt-out of sharing their faces all over their social media.