NY Fashion Week's It Girl

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1. Mischa Barton

Barton wore an innocent white eyelet top with a fitted skirt to the Zac Posen show.
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2. Mischa Barton

For the Anna Sui show, the former O.C. cast member wore a girlish Anna Sui pinafore with a Peter Pan collar.
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3. Mischa Barton

Barton headed to a party in a bright frock from Luella.
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4. Mischa Barton

The actress donned Matthew Williamson for a party at Saks Fifth Avenue.
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5. Mischa Barton

The fashion lover wore a Marchesa dress to the label's show.
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6. Mischa Barton

Barton wore a glittering seventies-style maxi outfit to the Calvin Klein after-party.
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7. Mischa Barton

Barton wore a fanciful chiffon Matthew Williamson minidress to the designer's show.
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8. Mischa Barton

The actress painted the town red in a leg-baring black-and-white minidress.
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9. Mischa Barton

Barton's short lace dress brightened up the front row of the Jenni Kayne show.
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10. Mischa Barton

The Keds spokeswoman wore a wild pair of the brand's flats to the Nanette Lepore show with a dress by (who else?) Nannette Lepore.