If Sienna Miller Stepped Into Zara, These Are the 9 Elegant Items She'd Pick Up

Sienna Miller is known for mixing high-street and high-end buys. If she stepped into Zara, I think these are the first pieces she'd add to her basket.

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Sienna Miller wears a black dress and knee-high boots; Sienna Miller wears a Sezane trench coat, black knit and grey tailored trousers; Sienna Miller wears a brown jacket, blue shirt and brown trousers
(Image credit: Getty Images, Backgrid)

If I could spend a day in any celebrity's wardrobe, it would be Sienna Miller’s. Whilst her red-carpet looks consistently create a buzz in our office, it’s her off-duty outfits that we draw inspiration from season after season. Effortless ease has become a calling card for her outfits, consistently unfussy and yet impactful; each one is a harmonious balancing act of relaxed yet polished, comfortable yet cool, and more often than not, a mix of high-low buys. Yes, she’s always ahead of the curve with the next luxury It buy (look to the Gucci Gigilio bag), whilst simultaneously confirming there are seriously expensive-looking buys to be found on the high street.

Sienna Miller wears the Aligne coat, blue jeans, black ballet flats

Sienna Miller wears the Aligne George Wrap Coat (£295)

(Image credit: Backgrid)

From Aligne to Sézane to Mango and beyond, Sienna Miller is known for weaving high-street buys into her most polished looks. The pieces in question rarely follow trends, but focus on proportion, texture and styling to signal luxury without breaking the bank. Having studied her looks closely, I’ve realised that these affordable additions all share a common theme that ensures their elevated appeal: they’re unfussy, timeless in composition, and transcend the trend cycle. Think of the sightings in that Sézane trench coat, which is brought back every single year. Simply, they’re smart purchases that can be restyled over and over again. And that's exactly what my wardrobe is calling out for.

Sienna Miller in Paris wears Sezane Clyde trench coat, black jumper, grey trousers and black boots

Sienna Miller wears the Sézane Clyde Coat (£275)

(Image credit: Backgrid)

Now that I’ve decoded her approach to shopping the high street, I set myself the task of building a Sienna Miller–coded wish list of elevated buys, exclusively from Zara. Her instinctive mastery of high-low dressing isn’t just about price, but about balance. Each outfit pairs ease with polish in perfect harmony: relaxed jeans offset by a smart blazer, a floaty dress grounded with sharp boots, or a cool jacket worn with tailored trousers. The result is always effortless, yet undeniably put together. And Zara, with its bohemian sensibility and increasingly elevated basics, captures Sienna’s signature ease to a tee.

Shop the 9 Zara Buys Sienna Miller Would Pick Up First

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Florrie Alexander
Florrie Alexander
Shopping Editor

Florrie embarked on her fashion journey whilst studying in Aix-en-Provence, she began to write her dissertation on the history of fashion and landed her first role at Harper’s Bazaar. Following this, she interned for various publications including Elle, Grazia and Marie Claire before joining the fashion team at Conde Nast Traveller. There, she contributed to international photoshoots, styled pages and covers, and produced engaging digital content. Over eight years of fashion industry experience, Florrie has honed her skills from styling e-commerce photoshoots to personal shopping. Florrie first joined Who What Wear UK as a freelancer before becoming the Commerce Writer. Now, as the Shopping Editor, she monitors current trends, new-in styles, wardrobe heroes and how best to style them.