This week this happened in costume… Diana Rush, Alpha Papa and now Diana, costume designer Julian Day is everywhere at the moment (good, because he’s very talented). Here Day explains a little about undertaking what must have been one of the trickiest costume jobs of the year. Revenge All about Emily Thorne’s (Emily Van Camp) wedding dress. Preview: Jill Ohanneson designed it herself. Trish Summerville Video: The 2013 Stylist award winner looks understandably bemused throughout Pop Sugar’s excitable interview. Riddick Helen o’Hara skilfully pulls apart the film’s frankly disgusting misogyny. Northern Costume Social Event Advice for those in the TV/film costume game. Toronto International Film Festival Leaving aside award friendly…