Sienna Miller was living right up to the title of her movie with her crown of flowers on the set of Hippie Hippie Shake. Yesterday we caught our first glimpse of dark-haired Sienna and today we've officially decided that her blonde locks are a much better look for her. What do you think about her new hair color? Sienna definitely looks like she's ready to spread the peace and love around London. If it weren't for that BlackBerry, we'd almost think we were transported back in time.
More of Sienna on the set so just