Sienna Miller returned to her classic boho style last night for the First Light Movie Awards at London's Leicester Square. She attended the event in a dark floral All Saints dress with a cropped biker-esque jacket and suede boots. She wore her hair down and wavy with natural makeup. Sienna slipped up slightly as one of her bright green socks is just visible inside her ankle boot, although maybe it was a nod to St Patrick's Day! Copy the look below.

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