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    1. Celebrity
    2. Royals

    Carole and Michael Middleton's Parenting Ensured Princess Kate Became the Monarchy's “Golden Key,” Says Royal Author

    The Princess of Wales was raised with one trait in mind, says biographer Ingrid Seward.

    Kristin Contino's avatar
    By Kristin Contino
    Published 27 October 2026 In News

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    A split image of Carole and Michael Middleton walking at Wimbledon next to Princess Kate in a tiara and yellow dress
    (Image credit: Getty Images)
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    As Prince William and Princess Kate prepare themselves for a future on the throne, their royal roles have become more important than ever. When the Royal Family welcomed Sultan Haitham bin Tariq Al Said of Oman for an official state visit on October 20, the Princess of Wales showed how soft diplomacy is done—and one royal biographer says that her upbringing plays a “key” role.

    Wearing a floaty new Elie Saab gown with her go-to Lover’s Knot Tiara, Kate not only brought royal glamour to the state banquet on October 20, but she helped Windsor Castle’s guests feel at home.

    "Catherine gets it right every time—she’s always on her A-game,” royal biographer and journalist Robert Jobson told Hello! magazine. “She had clearly done her homework and she looked magnificent.”

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    Prince William wearing a formal uniform walking next to Princess Kate in a yellow gown and tiara

    The Prince and Princes of Wales attend a state banquet in honor of the sultan of Oman on October 20.

    (Image credit: Getty Images)

    Princess Kate laughing next to a soldier wearing a red uniform

    Princess Kate shares a laugh at the official welcome ceremony for the sultan.

    (Image credit: Getty Images)

    Jobson continued that Kate, who sparkled in Queen Elizabeth’s Greville Chandelier Earrings, “looked every inch a future Queen” at the sumptuous banquet.

    Ingrid Seward, editor-in-chief of Majesty magazine, said that the Princess of Wales also plays an important role in developing international relations.

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    "Catherine is absolutely key to these visits,” Seward said. “She’s able to deal with almost anyone, and I think that’s because her parents instilled in her the importance of good manners. She’s become the golden key, if you like."

    Prince William and Princess Kate standing with Carole and Michael Middleton and their kids

    Carole, Michael and James Middleton pose with Princess Kate and her family in a photo shared by the princess on Instagram this summer.

    (Image credit: The Prince and Princess of Wales/Instagram)

    Body language expert Darren Stanton recently told Marie Claire that Princess Kate's quiet ability to make “people feel at ease” is her royal superpower.

    Marie Claire Newsletter

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    Speaking on behalf of UK online slots provider Betfair Casino, Stanton says that the “ability to read a situation is a real strength of Catherine’s.”

    "She understands that, while this is a very formal state occasion, there are people there who may feel a little nervous or intimidated by the setting," he said. "She does not need to dominate the interaction or draw attention to herself; instead, she uses her warmth, confidence and ability to read people to make everyone around her feel comfortable."

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    Princess Catherine
    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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