Meghan Markle's Backless Black St. Agni Dress Is Pure Elegance

Kendall Jenner, Gigi Hadid, and Zendaya are also fans of the line's minimalist designs.

A close up of Meghan Markle wearing a black dress and eye makeup
(Image credit: Getty Images)

As Meghan Markle settles into a new style era with stylist Jamie Mizrahi, she's also embracing minimalist designers she hasn't yet worn before. First up: Celebrity-favorite brand St. Agni.

On Friday, April 12, Markle gave another glimpse at her fresh wardrobe outlook while attending a dinner for Sentebale, a charity Prince Harry co-founded. In photos shared by longtime friend Ignacio "Nacho" Figueras on Instagram, Markle can be seen chatting with guests over a candlelit meal. She's dressed in a backless, black dress from St. Agni, a minimally-leaning Australian label.

Markle paired the streamlined gown, featuring a halter neckline and side slit, with vintage Dior earrings and Mach & Mach heels.

Meghan Markle sits at a dinner table with Prince Harry wearing a backless black St Agni dress and vintage earrings

Meghan Markle glowed in a minimal, open-back halter dress by St. Agni at a Sentebale charity dinner. She sat side-by-side with Prince Harry, who wore a black blazer and white button-down shirt.

(Image credit: @nachofigueras)

Markle's backless dress was the second piece she wore over the weekend from a designer newly incorporated into her wardrobe. Earlier in the day, she broke with royal (or, former royal) conventions to wear a Heidi Merrick sundress featuring a cutout in the torso. The airy midi dress was a perfect fit for watching Prince Harry compete in Sentebale's annual Royal Salute Polo Challenge under the Wellington, Florida, sun—the first Markle has attended since 2018. Her polished-yet-casual outfit also included Heidi Merrick sunglasses, plus a Valentino bag and Aquazzura pumps she has worn previously.

Meghan Markle attends the Sentebale charity polo match with Prince Harry while wearing a white cutout halter dress and nude pumps

Earlier on Friday, Meghan Markle wore a white halter dress with a torso cutout by California-based designer Heidi Merrick.

(Image credit: Getty Images)

As Meghan Markle reportedly explores a "Hollywood rebrand" with stylist Jamie Mizrahi (whose clients include Adele and Jennifer Lawrence), St. Agni is a fitting brand to bring into her closet. The label's embellishment-free, neutrally-toned pieces are regulars in Kendall Jenner, Gigi Hadid, and Hailey Bieber's wardrobes; it's also been spotted on celebrities from Margot Robbie to Zendaya. If Markle is looking for more It-Girl approved labels, she's clearly found one.

While Markle's style may be trending in a more experimental-yet-minimal direction, her impact on designers hasn't changed. St. Agni's Hudson dress is already selling out in several sizes.

Shop More St. Agni Pieces Inspired by Meghan Markle's

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Halie LeSavage
Senior Fashion & Beauty News Editor

Halie LeSavage is the senior fashion and beauty news editor at Marie Claire, where she assigns, edits, and writes stories for both sections. Halie is an expert on runway trends, celebrity style, emerging fashion and beauty brands, and shopping (naturally). In over seven years as a professional journalist, Halie’s reporting has ranged from fashion week coverage spanning the Copenhagen, New York, Milan, and Paris markets, to profiles on industry insiders like celebrity stylist Molly Dickson, to breaking news stories on noteworthy brand collaborations and beauty product launches. (She can personally confirm that Bella Hadid’s Ôrebella perfume is worth the hype.) She has also written dozens of research-backed shopping guides to finding the best tote bags, ballet flats, and more. Most of all, Halie loves to explore what style trends—like the rise of emotional support accessories or TikTok’s 75 Hard Style Challenge—can say about culture writ large. She also justifies almost any purchase by saying it’s “for work.”

Halie has previously held writer and editor roles at Glamour, Morning Brew, and Harper’s Bazaar. She has been cited as a fashion and beauty expert in The Cut, CNN Underscored, and Reuters, among other outlets, and appears in newsletters like Selleb and Self Checkout to provide shopping recommendations. In 2022, she earned the Hearst Spotlight Award for excellence and innovation in fashion journalism. She holds a Bachelor’s Degree in English from Harvard College. Outside of work, Halie is passionate about books, baking, and her miniature Bernedoodle, Dolly. For a behind-the-scenes look at her reporting, you can follow Halie on Instagram and TikTok.