Emma Watson made headlines yesterday after an embarrassing wardrobe malfunction at the world premiere of Harry Potter and the Half-Blood Prince in London (story). The wind and rain at the premiere proved too much for the young actress to handle as a gust of wind blew open her dress revealing her nude panties!
Emma opened up about the awkward situation last night on Letterman saying "At least I was wearing underwear! I'm still learning." Check out the clip from the show below!
