Shock twist for socialite Vanessa Jacobs Fennell who went on a drunken rampage in her Range Rover after a boozed-up lunch - before assaulting a cop in a ritzy suburb

Mother-of-two Vanessa Jacobs Fennell, who was once in the running to be in reality TV show Real Housewives of Sydney , spent a night in a police cell after her run-in with the law.