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Martha Stewart Reveals a Surprisingly Informal Nickname She Uses For King Charles

Martha Stewart breaks protocol with a viral nickname for King Charles as the royals celebrate 50 years of the King’s Trust in Manhattan.

King Charles III, Charlotte Tilbury, and Martha Stewart attend the King's Trust Global Gala at Rockefeller Center during a state visit on April 29, 2026, in New York City. (Cover Image Source: Getty Images | Spencer Platt)
King Charles III, Charlotte Tilbury, and Martha Stewart attend the King's Trust Global Gala at Rockefeller Center during a state visit on April 29, 2026, in New York City. (Cover Image Source: Getty Images | Spencer Platt)

Some members of the royal family are known by affectionate nicknames, while some are known by epithets given by people, which aren't always pleasant. King Charles is no exception to it, and it was revealed during his state visit to the US, when American writer and entrepreneur, Martha Stewart, casually revealed a very American moniker that she uses for the sovereign. During the King’s Trust Gala in Manhattan, the television personality shared a surprisingly casual perspective on the monarchy during a brief press interaction outside the Whitby Hotel. Asked about her interactions with the King, Steward admitted that instead of the traditional ‘His Majesty,’ she was in favor of an informal greeting. 

King Charles III, Charlotte Tilbury, and Martha Stewart attend the King's Trust Global Gala at Rockefeller Center during a state visit on April 29, 2026, in New York City. (Image Source: Getty Images | Spencer Platt)
King Charles III, Charlotte Tilbury, and Martha Stewart attend the King's Trust Global Gala at Rockefeller Center during a state visit on April 29, 2026, in New York City. (Image Source: Getty Images | Spencer Platt)

Speaking to TMZ, Stewart remarked that she simply calls the King “Chuck,” a nickname that stands in stark contrast to the formal “Sir.” Not just this, Stewart’s relaxed demeanor extended to her assessment of the royal couple’s personal style as well, noting that they certainly didn’t need her expertise. She joked, “They don’t need it at all. I need it from them,” clearly impressed by Charles and Queen Camilla’s polished aesthetics throughout their American tour. The gala itself was more than just a social gathering. It was a powerful tribute to the 50-year journey of the King’s Trust, a charity that Charles founded in 1976 using his Royal Navy severance pay to support young people entering the workforce.

The event, which was held at Christie’s auction house, attracted high-profile names like Lionel Richie, Ralph Lauren, Katherine Jenkins, Stella McCartney, Donatella Versace, and Anna Wintour. During the event, the 77-year-old monarch shifted the focus from social pleasantries to the future of the next generation. Addressing the room with a sense of urgency, he stated that “potential and latent talent truly knows no bounds once you help develop it,” emphasizing the long-term impact of the group’s work. Along with this, he also reflected on the passage of time and his own legacy.

King Charles III, Lionel Richie and Queen Camilla attend the Greater Together Reception on day three of the State Visit of King Charles III and Queen Camilla to the United States of America, at auction house Christie’s, on April 29, 2026 in New York City. (Photo by Samir Hussein/Samir Hussein/WireImage)
King Charles III, Lionel Richie, and Queen Camilla attend the Greater Together Reception on day three of the State Visit of King Charles III and Queen Camilla to the United States of America, at auction house Christie’s, on April 29, 2026, in New York City. (Image Source: Getty Images | Samir Hussein/WireImage)

In a poignant moment, he touched upon the limited nature of his reign while encouraging the crowd to stay committed to the Trust’s mission. “I won’t see the long-distance future,” he added, before highlighting, “But I’m enormously grateful to you all for what you can do as supporters to help this vital endeavor, to champion the next generation, ensuring their talent and ambition continue to strengthen our societies for many years to come.” This appearance was a highlight in a packed schedule that took the royals from the 9/11 Memorial to the New York Public Library. After a busy day, they returned to Washington to attend a formal state dinner hosted by President Trump at the White House.

Queen Camilla, King Charles, Donald Trump, and Melania Trump  pose on the Grand Staircase during the state dinner.
 Queen Camilla, King Charles III, U.S. President Donald Trump, and First Lady Melania Trump pose on the Grand Staircase during an official state dinner hosted by the President and First Lady at The White House on day two of the State Visit of King Charles III and Queen Camilla to the United States of America, on April 28, 2026, in Washington, DC. (Image Source: Getty Images | Samir Hussein/WireImage)

The royal tour is said to conclude in Virginia, where the King and Queen will participate in ceremonies marking the 250th anniversary of American independence. While the visit has largely been defined by high-level political discussions and historic tributes, Martha Stewart’s ‘Chuck’ nickname for King Charles surely emerged as the trip’s most humanizing highlight.

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