In the mid-2000s, Sienna Miller was the boho fashion girl that everyone wanted to emulate. Her tousled blonde locks, ruffled dresses, and penchant for prints made hippie luxe fashionable before Coachella brought it into the mainstream. Today, the actress opts for more streamlined looks that show off her love of '90s minimalism. But don't take it from us—L'OFFICIEL's latest coverstar shares all about her personal style, from her bohemian looks of the past to the secret pair of Ugg boots hiding in her closet.