Los Angeles - The girlfriend of actor Keanu Reeves was killed when her car overturned in an early-morning crash in Los Angeles on Sunday, police confirmed last night. Jennifer Syme (29), died instantly when her Jeep Cherokee four-wheel drive hit three parked cars and overturned in Hollywood, partly throwing her out of the vehicle. Los Angeles police last night said it was not known if drugs or alcohol had been a factor in the crash.