Sienna Miller's stunning power suit is the epitome of winter chic

Sienna Miller is seen in Rose HIll on November 22, 2024 in New York City. (Photo by TheStewartofNY/GC Images)
Sienna Miller is seen in Rose HIll on November 22, 2024 in New York City. (Photo by TheStewartofNY/GC Images) (TheStewartofNY)

Sienna Miller making public appearances are few and far between, especially since the birth of her second child in February this year - the first one with her current partner Oli Green.

Whenever the 42-year-old does step out, however, we're guaranteed to receive a lesson in sophisticated dressing with a casual edge thanks to her impeccable street style agenda.

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On Friday night the Anatomy of a Scandal star stepped out in New York with her beau for a screening of Marion at the Cinema by NeueHouse in Manhattan.

Sienna Miller attended a screening of Marion in New York on Friday
Sienna Miller attended a screening of Marion in New York on Friday (Madison McGaw/BFA.com/Shutterstock)

She proved why she's one of the globe's most coveted style icons, putting together an easy-to-recreate outfit formula that was effortlessly chic.

Sienna opted for a camel-coloured double-breasted blazer with a slightly oversized fit and tortoiseshell buttons. A pair of matching, high-waisted straight-leg trousers and a black, fitted, round-neck baselayer completed her effortless look.

Sienna Miller (L) and Oli Green are seen in Rose HIll on November 22, 2024 in New York City. (Photo by TheStewartofNY/GC Images)
She and her partner Oli Green wore matching earthy tones (TheStewartofNY)

For accessories, she paired her ensemble with brown patent-heeled boots with a wood-effect block heel - a footwear choice that screams Sienna Miller-cool and a baby blue hobo bag that added a pop of colour.

A statement gold necklace with a leather-look chain injected a touch of the boho aesthetic she became synonymous with in the mid-2000s and has recently revived (no doubt with a helping hand from Chemena Kamali, who singlehandedly brought boho back in all its glory when she took over as Creative Director of Chloé).

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It appears that power suits are Sienna's favoured silhouette for the autumn/winter season.

The actress wore a crisp white suit for the evening
The actress wore a crisp white suit for the evening (Getty)

Last month, she was spotted leaving London's Louie restaurant in a pristine white tailored set, featuring crisp lines, a single-breasted silhouette, a pair of matching trousers and a button-up waistcoat. The ivory aesthetic was elevated by some black leather-look heels with an open-toe design, in addition to a bronzed tiger print clutch bag, which injected the actress’ look with a dose of sartorial sass.