Mischa Barton and ... from 2003 until 2007, with Barton’s character Marissa Cooper and McKenzie’s Ryan Atwood embarking on a multi-season relationship. The “Hills: New Beginnings” alum ...

Rachel Bilson Says She Was Asked to Join 'The Hills' Before Former 'O.C.' Costar Mischa Barton Was Cast Mischa Barton Felt 'Pressured' to Lose Her Virginity While Playing Sexually Active' O.C ...

The 34-year-old actress was previously rumored to not be returning to the second season of the reality series. Mischa Barton talks to ET about ‘The Hills: New Beginnings’ season 2 and her new ...

Mischa Anne Marsden Barton (born 24 January 1986) is an English-American fashion model, film, television and stage actress, and occasional magician's assistant, best known for her role as Marissa ...