The Sun newspaper reports:
The stars got well and truly soaked as they walked the red carpet in torrential rain for Harry Potter and the Half-Blood Prince, the sixth instalment of the hit franchise.
And bad weather can be a nightmare for female celebrities - as EMMA WATSON discovered last night.
The actress, who plays Hermione Grainger in the film, suffered an embarrassing wardrobe malfunction when a gust of wind left her flashing her knickers for all to see.
The film is released on July 15th. See the pics here.

