Emma Watson – Harry Potter Prom Night 2009
Emma Watson suffers two wardrobe malfunctions on Harry Potter prom night. There’s nothing worse than a wardrobe malfunction… er, except maybe two consecutive wardrobe malfunctions.

Harry Potter star Emma Watson was left blushing after being quizzed on TV about her ‘wardrobe malfunction’ at the film’s premiere this week. The 19-year-old, who accidentally exposed her knickers at the Half-Blood Prince launch in London, told US host David Letterman: