In 2019, Mischa Barton joined The Hills: New Beginnings. It was an extremely meta moment, given how The Hills is a spin-off of Laguna Beach, a reality show based on The O.C. It didn’t work out ...

As Mischa Barton's role on The O.C. catapulted her ... in front of an entire crew." The Hills: New Beginnings alum added that her Pups character "had her first period in one scene," which is ...

Caroline D’Amore tells ET’s Katie Krause about her feud with Mischa Barton on ‘The Hills: New Beginnings.’ The actress starred as Marissa Cooper from 2003 to 2006. The 34-year-old actress ...

Mischa Barton started fighting with Hollywood heavyweights. As such, she left Hollywood for the East Coast. "A little bit of ...