It's day three at the All Star Driving School and instructors Pells, Maxine and Ricky have their hands full with their three learner drivers. Singer Tallia Storm's tackling her hill starts with her dad and sister as backseat instructors. In a bid for glory, Hollyoaks' Ruby O'Donnell is focused on perfecting her parallel park. And comedian Mark Watson battles to reach top speed on a dual carriageway. Later, the celebrities do some go-karting on an ice rink!