Photo PollStar Matchmaker: Mischa Barton

Now that she's suddenly single, whom should the O.C. star date next? Vote on it

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MISCHA BARTON, 19

The O.C. star split this week from oil heir Brandon Davis after more than a year together.

Who's the best new guy for her?
• Benjamin McKenzie, 26: The two could double-date with smooching costars Rachel Bilson and Adam Brody
• Adrian Grenier, 29: A fellow New Yorker, the Entourage actor can keep her company in Cali
• Eric Trump, 21: The real-estate mogul's son can treat her to the jet-setting lifestyle she's used to

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