Blonde hair, blue eyes and red lips, sounds perfect, right? Today I am going to share with you Sienna Miller's a British bombshell best hairstyles. She looks perfect at any event, just take a closer look at her boho waves, sleek red carpet hairstyles, off-duty hair and Brigitte Bardot inspired hairstyles. I personally love her classic hairstyles, like a sophisticated high bun and dip-dye trends. Sienna Miller knows how to attract everyone, as she can go from classic to super trendy styles. Look at this perfect Grecian-inspired up-do and glamorous curls. I have gathered together the most outstanding looks from Sienna Miller for you.