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  • MISCHA BARTON photo | Mischa Barton

Credit: Landov

Updated: Friday Sep 18, 2009 | 12:00 PM EDT

MISCHA BARTON

Her canine best friend may be nowhere in sight, but the Beautiful Life actress doesn't need any accessories in her attention-grabbing Hervé Léger body-con dress at the What Goes Around Comes Around collection party in N.Y.C.