Mischa Barton

Mischa Barton Why we know her: She played the tragic Marissa Cooper on "The O.C." Can currently be seen on: Her own blog, which she uses mostly to clear up what she says are rumors about her on every other blog, which report unfavorably on her appearance and romantic life. Dlisted's Michael K said: "Someone like Mischa Barton is someone I see pictures of every day, but I never hear about in real life. I mean, I used to. But now she's just existing on the Internet." Verdict: Fame-ish --Kate Aurthur
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