Does Meghan Markle’s latest evening look — a classic little black dress with a statement neckline, belted waist, and pencil-style skirt — give you a creeping sense of déjà vu? That’s probably because you’ve seen the style in question many, many times before, albeit perhaps worn in a different color, or with different accessories, on many, many other celebrities.

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The dress we’re talking about — which Meghan wore to attend the Commonwealth Women’s Empowerment reception hosted by foreign secretary Boris Johnson — is the “Jackie O” style by LA-based label Black Halo. Since it launched back in 2006 (when co-founder and designer Lauren Berman found that her tops would become untucked from her high-waisted pencil skirt frustratingly often) the sophisticated style has been championed by a veritable who’s who of Hollywood, with high profile fans including Tyra Banks, Fergie, Scarlett Johansson, and Katherine Heigl. By 2012, it had proved so ubiquitous that Jezebel named it “the dress that won’t die.”

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The simple but glamorous style, which retails at an accessible price point of around $375, has since become a mainstay for the brand, now available in a range of colors from white to burgundy to tan. The black version, as worn by Meghan, is the most popular, according to a 2013 brand profile in the Wall Street Journal. “If I don’t have 500 black Jackies in the warehouse at all times, I could be in trouble,” Sean Pattison, Berman’s husband and Black Halo’s co-founder, told the paper. While the dress certainly didn’t need a publicity boost, the so-called “Meghan effect” will surely only create further demand for the Jackie O.

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This post was written by Katie Rosseinsky. It originally appeared on our sister site, Grazia Daily.