O.C. lovebirds Rachel Bilson and Adam Brody have split, according to US reports. Bilson, 25, and Brody, 26, met when they were both cast in The O.C in August 2003, and started dating soon after. According to nightlife insiders in LA, Brody has been spending a lot of time without Rachel and with male friends at the city's hot spots. "He was definitely acting like a single guy," an eyewitness at the Volkswagen event told Life and Style. Splash last spotted the couple looking very distant and unhappy as Brody walked ahead leaving a glum Bilson behind. Pictures by London Entertainment.