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    1. Celebrity
    2. Royals

    Princess Kate's Royal Work Left Her "Well-Equipped" to Talk to George, Charlotte and Louis About Her Cancer Diagnosis

    "I think they did what they could to tell them in a way that children could understand," says royal biographer Katie Nicholl.

    Kristin Contino#039;s avatar
    By Kristin Contino
    Published 9 December 2025 In News

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    Prince George, Princess Charlotte and Prince Louis holding candles standing in front of Princess kate and Prince William
    (Image credit: Getty Images)
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    Breaking the news that a loved one has cancer is difficult for any parent, but for Prince William and Princess Kate, the mom of three's 2024 health crisis came right on the heels of King Charles also being diagnosed with cancer. During his recent visit to Brazil for the Earthshot Prize, the Prince of Wales opened up about how they've chosen to be upfront with their kids Prince George, 12, Princess Charlotte, 10, and Prince Louis, 7. "Hiding stuff from them doesn’t work," William admitted.

    But in a new interview with the Mirror, royal author and journalist Katie Nicholl said that the Princess of Wales's royal work has given her a unique background for these types of conversations.

    Princess Kate has a strong passion for early childhood development, having launched The Royal Foundation Centre for Early Childhood to help educate families and caregivers. During a 2021 visit to a high school, the Princess of Wales revealed (via Vanity Fair) that a "real passion of hers" is "learning about babies’ brains, about how our adult brains develop and how our early childhood influences the adults we become."

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    That being said, the Princess of Wales was likely able to dig into that knowledge when it came time to tell George, Charlotte and Louis that she had cancer. "We know that William and Kate have a very honest relationship with their children and they were open with them about her cancer diagnosis," Nicholl told the Mirror.

    Princess Kate greeting Princess Charlotte at the Together at Christmas concert, with Prince William, Prince George and Prince Louis walking behind

    The Prince and Princess of Wales brought their children to the 2025 Together at Christmas concert on December 5.

    (Image credit: Getty Images)

    Princess Charlotte, Prince George and Prince Louis sitting in a row wearing suits

    Princess Charlotte, Prince George and Prince Louis are seen at the VE Day parade in May.

    (Image credit: Getty Images)

    "Kate is very well-schooled in the early years, and she would have been well-equipped for these difficult conversations," the royal expert added. "I think they did what they could to tell them in a way that children could understand, which didn’t completely terrify them."

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    The Prince of Wales elaborated on tough conversations with his kids while speaking to Brazilian TV host Luciano Huck in early November. Prince William admitted that "there's a lot more questions when there's no answers," adding, "But it is always a balancing act—every parent knows that."

    The Prince of Wales shared that he wondered, "''How much do I say? What do I say? When do I say?'" However, he acknowledged that every parent is winging it to a degree.

    Marie Claire Newsletter

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    "There’s no manual for being a parent, you’ve just got to go with it a bit of instinct," Prince William said.

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    Princess Catherine Prince Louis Princess Charlotte Prince George
    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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