The Topknot: The perfect look from work to the weekend. Sienna Miller rocks her own off-the-face hairstyle at the BFI Gala last night, mixing in some messy bohemian strands into a sleek pullback bun. Want to get add some ethereal luxe style to your hair a la Sienna? We have three twists on the classic topknot in a step-by-step tutorial.

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