Sienna Miller arrived at—or rather clonked down to—the 2024 Met Gala after-parties in a pair of side-buttoned flares, a beatnik blouse, and Chloé’s hulking new It-shoe.

If there's one celebrity we look to for style inspiration, it's Sienna Miller. Ever the trendsetter, the actress was recently spotted running errands in London with partner Oli Green, wearing a predictably chic off-duty outfit that we're now dashing to emulate.

Who wore what, from Felicity Jones' monochromatic looks to Cameron Diaz's red-carpet denim

Sienna Miller's style is nothing short of impressive 24/7. We look to the British fashion icon's best outfits to reveal her tried and tested tricks.

From her boho beginnings to feathered red carpet looks, here are 13 outfits to shop that prove Sienna Miller is the ultimate style pin-up.

Sienna Miller's style in the 2000s never missed a fashion beat. We break down her most stylish moments—from boho to retro and back again.

From her boho beginnings to feathered red carpet looks, here are 13 outfits to shop that prove Sienna Miller is the ultimate style pin-up.

Sienna Miller never misses when it comes to style. Boho is of course what springs to mind when you think about her outfits, but have you ever noticed quite how good she is at denim?