Former O.C. Star Mischa Barton Breaks Up With Rocker Cisco Adler Over Raunchy Photo

21-year old British-born actress and former star of FOX's just-canceled drama "The O.C." Mischa Barton has broken up with her boyfriend Cisco Adler over a photo which turned up among Paris Hilton's possessions when the contents of the heiress' unpaid storage locker were posted online at parisexposed.com.

The couple parted ways immediately after the rocker's nude photo was posted all over the Internet. According to sources, Barton was furious and ended the relationship with a brawl.

The actress, who was photographed on Tuesday in Beverly Hills, had been dating the rocker since August 2005 when she ended her 1-year relationship with the greasy potty-mouthed oil heir Brandon Davis.

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