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    1. Celebrity
    2. Royals

    Princess Kate Is Belle of the Ball in Princess Diana's Favorite Tiara and a Yellow Elie Saab Gown With a Surprising Tie to Oman

    Leopard print at Windsor Castle wasn't on anyone's royal bingo card.

    Kristin Contino's avatar
    By Kristin Contino
    Published 20 October 2026 In News

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    Princess Kate smiling at Prince William in a yellow dress and tiara
    (Image credit: Getty Images)
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    As usual, the fashion predictions came rolling in ahead of the October 20 state banquet at Windsor Castle in honor of the sultan of Oman. When Princess Kate arrived at the official welcome ceremony on Tuesday morning, she wore a head-to-toe green outfit in tribute of one of the colors of the Omani flag. With the rest of the flag made up of red and white, royal watchers were largely expecting a gown—most likely a repeat—in one of those shades. But I can assure you, pale yellow leopard print was not floating around in my mind this evening.

    The Princess of Wales arrived at Windsor Castle in a flowing Elie Saab dress featuring a dramatic cape and braided detail along the neckline, and at first glance, the pastel gown is standard royal fare. Zoom in and you'll see that the dress actually has an animal print design—a rather unexpected detail for a state banquet gown.

    Princess Kate wearing a tiara and yellow gown walking with Prince William at the Omani state banquet

    The Princess of Wales wears an Elie Saab gown to the Omani state banquet on October 20.

    (Image credit: Getty Images)

    Princess Kate wearing a tiara and yellow gown walking with Prince William at the Omani state banquet

    Prince William and Princess Kate arrive at the banquet at Windsor Castle.

    (Image credit: Getty Images)

    Did I Google "Does Oman have leopards?" Yes. And in fact, the country is home to a group of critically endangered Arabian leopards. With fewer than 200 in the wild and roughly 50 of them living in Oman, the country boasts one of the largest populations of the species.

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    Whether this is Kate's subtle nod to Oman, or she just felt like wearing a summery leopard-print dress, we'll probably never know. However, diplomatic dressing is one of the Princess of Wales's style strengths, and rarely is anything a coincidence in the world of royal fashion.

    The Princess of Wales paired her new Elie Saab gown with an old standard, wearing the Lover's Knot Tiara frequently worn by Princess Diana.

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    Princess Kate wearing a yellow dress and tiara

    Princess Kate's gown features a subtle leopard print.

    (Image credit: Getty Images)

    Princess Kate posing on a staircase with Prince William

    The couple posted a formal portrait on social media ahead of the event.

    (Image credit: Getty Images)

    Although her diamond and pearl tiara—which Princess Kate has worn numerous times during her royal career—delivers plenty of sparkle, she paired it with Queen Elizabeth's Greville Diamond Chandelier Earrings for some extra glam factor.

    The Princess of Wales completed her outfit with a bedazzled clutch and diamond bracelet, adding the blue sash that she received in 2019 as a Dame Grand Cross of the Royal Victorian Order, the highest ranking of chivalry personally awarded by Queen Elizabeth at the time.

    Marie Claire Newsletter

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    She topped off her sash with the Royal Family Order of King Charles III, which features a painted portrait of the monarch surrounded by diamonds and a crown, set against a pale blue ribbon created by designer Philip Treacy.

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    Kristin Contino
    Kristin Contino
    Senior Royal and Celebrity Editor

    Kristin Contino is Marie Claire's Senior Royal and Celebrity editor. She's been covering royalty since 2018—including major moments such as the Platinum Jubilee, Queen Elizabeth II’s death and King Charles III's coronation—and places a particular focus on the British Royal Family's style and what it means.

    Prior to working at Marie Claire, she wrote about celebrity and royal fashion at Page Six Style and covered royalty from around the world as chief reporter at Royal Central. Kristin has provided expert commentary for outlets including the BBC, Sky News, US Weekly, the Today Show and many others.

    Kristin is also the published author of two novels, “The Legacy of Us” and “A House Full of Windsor.” She's passionate about travel, history, horses, and learning everything she can about her favorite city in the world, London.

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