Mischa Barton quits partying

Mischa Barton has quit the Hollywood party scene.The former 'The O.C.' star has grown tired of the constant bickering and backstabbing that goes on in Tinseltown.She said: "When I got to Hollywood I didn't know anything about the business and you don't make the best of friends. You make a few mistakes when you're that age and it took me a while to find the friends I needed to be truly comfortable. I'm a private person, you won't find more than four or five true friends around me, ever."The 21-year-old actress - who fell out with Paris Hilton after she accused the hotel heiress of being jealous of other people's success - hates being pigeon-holed with other young stars.She added: "The tabloid persona - it is a persona. It's not me. I think, 'Who the hell is that girl?' I'm so low-key and chilled. But the media has created a fake 'young Hollywood' where everyone hangs out together and everybody knows each other. It couldn't be further from the truth. I feel so, so different from those girls."In May, Mischa was rushed to hospital after accidentally mixing her prescribed medication with alcohol.The actress, who was prescribed antibiotics for a bout of bronchitis, fell ill at a friend's Memorial Day barbeque after enjoying a few cocktails.