Here’s the reason why Mischa Barton’s character was killed off on ‘The O.C.’
told Vanity Fair. “If we wanted a season four, we’d have to do something like that.”Barton was one of the faces of young Hollywood in the early 2000s; her character died during the Season 3 finale after being in a car accident caused by her ex-boyfriend Kevin Volchok (Cam Gigandet).