Keanu Reeves's ex-girlfriend, actress Jennifer Syme, has died in a car crash in Los Angeles. According to an investigator at the L.A. County Coroner's Office, Reeves called offering to identify the 28-year-old Syme's body, but was informed she'd already been ID'd using her driver's license. Reeves and Syme — who appeared in David Lynch's 1997 film, Lost Highway — reportedly broke up last year.