Celebs Go Short, Shorter, Shortest : "Emma Watson made a splash last week when she debuted her new Mia Farrow-like crop. It was a drastic change for the Harry Potter actress, who had kept her locks long for years to play Hermione in the eight films. She's not the only one who's been to the salon recently, though. Naomi Watts also showed off a new, shorter blunt cut at the Salt premiere, and Scarlett Johansson modeled a short, choppy bob at Comic Con. "