With temperatures set to hit 30 degrees this Friday, you’d be forgiven for reaching straight for your favourite throw-on boho dress before the week is out. But before you do, allow me to put you onto the sleek ’90s-inspired dress trend that the chicest dressers—Sienna Miller included—are backing right now.

Wearing a floor-skimming strapless gown in an elegant slate-grey shade, Sienna kept the styling deliberately simple. Worlds away from the ruffles, patterns and layers of jewellery that the boho-inclined actor often reaches for, Sienna crafted a sleek, sophisticated look that perfectly suited the New York scene.

Aside from a pair of silver hoop earrings framing her face, she skipped jewellery altogether, letting the clean silhouette do the work. Sophisticated and understated in a ’90s Calvin Klein kind of way—which, fittingly, is exactly where the dress was from—Sienna crafted one of her chicest looks to date.

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Sienna Miller wears a grey strapless Calvin Klein Dress with silver hoop earrings.

(Image credit: Getty Images)

Low-key but undeniably elevated, the elegant strapless dress leans on sleek lines and minimal fuss to deliver a supremely chic ensemble. I have a feeling this refined strapless dress trend is about to take off in a big way over the coming months.