Sienna Miller’s Latest Look Is The Autumn Outfit We’re Copying Immediately

Let’s get this out of the way: the jury is still out on every single detail of exactly what Sienna Miller was wearing after the Swiped premiere in London, but frankly, it doesn’t matter. What we do know is that she stepped out in a look so perfectly balanced, so ridiculously easy to replicate, it’s about to become every autumn wardrobe’s go-to formula... colours included.

Sienna has been setting style trends for years, from pirate boots and flared jeans to statement designer bags, and yet, somehow, every look still feels wearable. This time, she moved away from her usual boho flow into a masterclass of quiet, structured dressing. She paired a rich brown bomber jacket with a crisp light blue shirt, tucked into sleek black trousers. Simple, familiar pieces that, when worn together, feel completely fresh and modern. A textured bag or statement shoes add just enough personality to jazz up the look without overwhelming it.

The magic is in the layering and proportions. The bomber adds structure and warmth, the shirt keeps it fresh, and the trousers ground the outfit, making it wearable for daily life. And yes, the brown and blue pairing injects the perfect amount of colour into the usual boring autumn palette of beige and brown. You could pull this out of your wardrobe today.

Technically, summer doesn’t end until September 22nd, but this is the perfect transitional outfit: warm enough for lingering sunshine and layered enough for cooler moments.

Sienna reminds us that style doesn’t have to be complicated. With a few trusted staples and the right proportions, you can look good all the time. Sometimes, the simplest formulas - bomber, crisp shirt, black trousers - are all you need. And, when in doubt, follow Sienna: brown and blue are the autumn pairing you didn’t know you were missing - until now.

Shop: Sienna Miller's Autumnal Favourites

Renee Washington, Grazia's digital fashion and beauty writer, lives online. With a penchant for wispy lashes and streetwear, she writes about the worlds of fashion and beauty from the viewpoint of the modern fashion girlie.

_Main Image Credit: Getty Image_s