You might be used to seeing Twilight's Bella Swan with tousled auburn locks, but for her new role as singer Joan Jett in The Runaways, Kristen Stewart dyed her hair black and went for a choppy style that shouts, "I love rock 'n' roll!"

Take a look at these Kristen Stewart photos and see which hairstyle you like the talented actress better in - New Moon mode or Runaways badass mode.

Tell us below in our brief survey ...