Emma Watson, 19, may have overshadowed Harry Potter on the night of the premiere of the latest Harry Potter movie, “Harry Potter and the Half-Blood Prince”, when she experienced a wardrobe malfunction as she signed autographs for fans.

The London premiere went on despite heavy rains with the stars greeting fans and posing for fans and photographers. Some photographers were even lucky enough to catch Emma Watson’s frock suffer a wardrobe malfunction, briefly exposing the stars nude-colored knickers .

Emma Watson stars as Hermione Granger, one of Harry Potters best friends in the movie.