Mischa Barton Back To Extreme Partying –– Reportedly Deadly Drug Cocktail
![Mischa Barton Partying](https://media.radaronline.com/brand-img/N-4452CEi/480x251/2015/08/mischa-barton-partying-PP.jpg?position=top 480w, https://media.radaronline.com/brand-img/N-4452CEi/640x335/2015/08/mischa-barton-partying-PP.jpg?position=top 640w, https://media.radaronline.com/brand-img/N-4452CEi/768x402/2015/08/mischa-barton-partying-PP.jpg?position=top 768w, https://media.radaronline.com/brand-img/N-4452CEi/1024x536/2015/08/mischa-barton-partying-PP.jpg?position=top 1024w, https://media.radaronline.com/brand-img/N-4452CEi/1280x670/2015/08/mischa-barton-partying-PP.jpg?position=top 1280w, https://media.radaronline.com/brand-img/N-4452CEi/1440x753/2015/08/mischa-barton-partying-PP.jpg?position=top 1440w, https://media.radaronline.com/brand-img/N-4452CEi/1600x837/2015/08/mischa-barton-partying-PP.jpg?position=top 1600w, https://media.radaronline.com/brand-img/N-4452CEi/2160x1130/2015/08/mischa-barton-partying-PP.jpg?position=top 2160w)
After a stint in rehab and the psych ward, it seemed that former The O.C. actress Mischa Barton had finally turned her life around. Or did she? According to In Touch, the 29-year-old is back to her self-destructive ways.
![Mischa Barton Partying](https://media.radaronline.com/brand-img/0bNVXXDM8/480x270/2015/08/mischa-barton-partying-PP.jpg 480w, https://media.radaronline.com/brand-img/0bNVXXDM8/640x360/2015/08/mischa-barton-partying-PP.jpg 640w, https://media.radaronline.com/brand-img/0bNVXXDM8/768x432/2015/08/mischa-barton-partying-PP.jpg 768w, https://media.radaronline.com/brand-img/0bNVXXDM8/1024x576/2015/08/mischa-barton-partying-PP.jpg 1024w, https://media.radaronline.com/brand-img/0bNVXXDM8/1280x720/2015/08/mischa-barton-partying-PP.jpg 1280w, https://media.radaronline.com/brand-img/0bNVXXDM8/1440x810/2015/08/mischa-barton-partying-PP.jpg 1440w, https://media.radaronline.com/brand-img/0bNVXXDM8/1600x900/2015/08/mischa-barton-partying-PP.jpg 1600w, https://media.radaronline.com/brand-img/0bNVXXDM8/2160x1215/2015/08/mischa-barton-partying-PP.jpg 2160w)
Celebrities Enjoy A Night Out In West Hollywood
![//mischa barton partying](https://media.radaronline.com/brand-img/fs94Iprwi/480x480/2015/08/mischa-barton-partying-1.jpg 480w, https://media.radaronline.com/brand-img/fs94Iprwi/640x640/2015/08/mischa-barton-partying-1.jpg 640w, https://media.radaronline.com/brand-img/fs94Iprwi/768x768/2015/08/mischa-barton-partying-1.jpg 768w, https://media.radaronline.com/brand-img/fs94Iprwi/1024x1024/2015/08/mischa-barton-partying-1.jpg 1024w, https://media.radaronline.com/brand-img/fs94Iprwi/1280x1280/2015/08/mischa-barton-partying-1.jpg 1280w, https://media.radaronline.com/brand-img/fs94Iprwi/1440x1440/2015/08/mischa-barton-partying-1.jpg 1440w, https://media.radaronline.com/brand-img/fs94Iprwi/1600x1600/2015/08/mischa-barton-partying-1.jpg 1600w, https://media.radaronline.com/brand-img/fs94Iprwi/2160x2160/2015/08/mischa-barton-partying-1.jpg 2160w)
A source tells the magazine that she was spotted indulging in drugs at a recent party. "Mischa was doing mushrooms, cocaine, and smoking pot," an onlooker recalls. "She was taking mushrooms all night, like it was nothing."
Mischa Barton and Jake Hoffman go for a walk in NYC
![//mischa barton partying](https://media.radaronline.com/brand-img/TWc9X5dob/480x480/2015/08/mischa-barton-partying-2.jpg 480w, https://media.radaronline.com/brand-img/TWc9X5dob/640x640/2015/08/mischa-barton-partying-2.jpg 640w, https://media.radaronline.com/brand-img/TWc9X5dob/768x768/2015/08/mischa-barton-partying-2.jpg 768w, https://media.radaronline.com/brand-img/TWc9X5dob/1024x1024/2015/08/mischa-barton-partying-2.jpg 1024w, https://media.radaronline.com/brand-img/TWc9X5dob/1280x1280/2015/08/mischa-barton-partying-2.jpg 1280w, https://media.radaronline.com/brand-img/TWc9X5dob/1440x1440/2015/08/mischa-barton-partying-2.jpg 1440w, https://media.radaronline.com/brand-img/TWc9X5dob/1600x1600/2015/08/mischa-barton-partying-2.jpg 1600w, https://media.radaronline.com/brand-img/TWc9X5dob/2160x2160/2015/08/mischa-barton-partying-2.jpg 2160w)
Unfortunately, it wasn't just one big blowout night for the former teen queen, who once counted Nicole Richie and Lindsay Lohan as party pals. The source tells In Touch that just two weeks later, witnesses saw Barton use cocaine and pot at New York City bar Cabin Down Below.
Mischa Barton Parties at Warwick Nightclub
![//mischa barton partying](https://media.radaronline.com/brand-img/_GQ8aQeEg/333x500/2015/08/mischa-barton-partying-3.jpg 333w)
"She's partying really hard," the insider claims. "She definitely could be in a bad spiral right now."
Mischa Barton leaves The Nice Guy looking cute in blue and black
![//mischa barton partying](https://media.radaronline.com/brand-img/2jA98-SBO/333x500/2015/08/mischa-barton-partying-4.jpg 333w)
In 2007, Barton was arrested for driving under the influence and possessing marijuana.
Celebrity Sightings In New York City – June 29, 2015
![//mischa barton partying](https://media.radaronline.com/brand-img/n-Tr759Qk/480x480/2015/08/mischa-barton-partying-5.jpg 480w, https://media.radaronline.com/brand-img/n-Tr759Qk/640x640/2015/08/mischa-barton-partying-5.jpg 640w, https://media.radaronline.com/brand-img/n-Tr759Qk/768x768/2015/08/mischa-barton-partying-5.jpg 768w, https://media.radaronline.com/brand-img/n-Tr759Qk/1024x1024/2015/08/mischa-barton-partying-5.jpg 1024w, https://media.radaronline.com/brand-img/n-Tr759Qk/1280x1280/2015/08/mischa-barton-partying-5.jpg 1280w, https://media.radaronline.com/brand-img/n-Tr759Qk/1440x1440/2015/08/mischa-barton-partying-5.jpg 1440w, https://media.radaronline.com/brand-img/n-Tr759Qk/1600x1600/2015/08/mischa-barton-partying-5.jpg 1600w, https://media.radaronline.com/brand-img/n-Tr759Qk/2160x2160/2015/08/mischa-barton-partying-5.jpg 2160w)
Two years later, she was admitted to the psych ward for four days under California's 5150 hold after blacking out on a sedative and threatening suicide.
Celebrities at Chiltern Firehouse
![//mischa barton partying](https://media.radaronline.com/brand-img/UKV_MDjpu/414x500/2015/08/mischa-barton-partying-6.jpg 414w)
In 2013, Barton admitted she suffered a "full-on breakdown" back then, but insisted she was now "stronger" and healthy.
EXCLUSIVE: Mischa Barton Needs Assistance Leaving The Chateau Marmont
![//mischa barton partying](https://media.radaronline.com/brand-img/z9-Dwe-z_/333x500/2015/08/mischa-barton-partying-7.jpg 333w)
Sadly, the very next year, Star reported that the former A-lister was "broke and ashamed" after her $6.4 million Beverly Hill mansion went into foreclosure. "We worry that she could turn to alcohol to try and forget her troubles," a friend told the magazine.