Starring in `The OC` was tough: Mischa Barton

London: Actress Mischa Barton has said that sometimes she regrets starring in hit American teen drama series `The OC` at a young age.

The 28-year-old actress, who first played Marissa Cooper in 2003, struggled to deal with fame at a young age and has now advised rising stars to keep their personal lives as private as possible, reportedly. "It`s something I came so close to not doing. I had a really great thing with film. People say be grateful for what you have, but it certainly was not the kind of thing I was expecting it to be. "It`s tough. It`s really tough when you are young in this business. People blow a lot of hot air at you. That`s the main thing. Keep your head on your shoulders. Even when you think your head is on your shoulders, sometimes it isn`t," Barton said.