From a cropped pixie to pink highlights, Sienna Miller is one star who's got more than blonde ambition.
Sienna Miller's Best Hair Transformations
This boho babe is always game for switiching up her look. From her mod pixie to her beachy waves, Sienna Miller is definitely a hair star we're dying to emulate. Check out her best hair transformations here and see why her mane has us drooling.
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