The Oscars’ audience, both in person and on TV, may have thought they were hallucinating when they watched the on-stage scuffle between Will Smith and Chris Rock last night. Smith may have once been exiled from West Philadelphia as the Fresh Prince of Bel Air, but the best actor nominee – and, later, winner – seemed the man least likely to be at the centre of an awards ceremony punch-up. However it was far from the first time that something unexpected has happened at the Academy Awards – and it’s unlikely to be the last. Here are five more shocking moments from Oscars history.