Mischa Barton, Boyfriend Sebastian Knapp Break Up

Celebrity News Aug. 13, 2013 AT 8:10PM
Mischa Barton and boyfriend Sebastian Knapp split Mischa Barton and her boyfriend, actor Sebastian Knapp, split a few months ago after less than a year of dating, a source confirms to Us Weekly Credit: Frazer Harrison/Getty Images

Mischa Barton is back on the market. The O.C. alum, 27, has split from boyfriend Sebastian Knapp after less than a year of dating, a source confirms to Us Weekly.

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Barton and her ex, who played John in the History channel's Emmy-nominated miniseries The Bible, were first linked in mid-2012. They called it quits "a few months ago," the source says.

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If the actress is nursing a broken heart, though, she certainly didn't show it on Aug. 10. As Us Weekly previously reported, Barton was glowing and happy at the Cosmopolitan Summer Bash in Hollywood, Calif., where she talked to Us about the possibility of a reunion show with her O.C. cast mates.

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"You know -- never say never," the star, whose exes include Brandon Davis and Cisco Adler, told Us. "But I think things have to feel right and it doesn't feel right. You can't say that you feel one way or another about things, but before The O.C. I was on track to do some great films, as well...and then I got this mega stardom all from this show. It is what it is, but I'm not looking to get sucked back into the limelight of it."

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