Former O.C. actress Mischa Barton, was arrested on suspicion of DUI after being pulled over early this morning.

Los Angeles - Former O.C. actress Mischa Barton, was arrested on suspicion of DUI after being pulled over early this morning.

The 21-year-old actress was also charged with possession of narcotics and driving on a suspended license, according to TMZ.

The actress has since been released on US$10,000 bail from the police station.