Sienna Miller knows the power of good denim. Over the years, Vogue’s Winter 2024 cover star has cemented herself as a style icon with a roster of boho-chic wardrobe staples that are effortlessly cool and comfortable. Her outfit formulas often include preloved handbags and vintage Gucci gems, but her style is defined by her eye for denim. Whether she’s galavanting around the grounds of Glastonbury or out a local London pub, Miller wears denim like no one else. Discover 12 times she has proved tha