Kristen Stewart posed on her way into Mulberry's London Fashion Week afterparty last night. She changed into denim and a sweater for the festivities after donning a dress to sit front row to see the collection earlier in the evening. Kristen Stewart and Kate Moss were seated together at the show, and Kristen showed off her long, darker hairstyle that she later twisted into a side braid. The new 'do is for Kristen's Snow White character, ...