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Kate Middleton made a meaningful appearance at the Trooping the Colour ceremony on Saturday, stepping out with her children in coordinated looks.
The Princess of Wales, 44, drew attention in a baby blue Catherine Walker ensemble paired with a coordinating Philip Treacy hat for the annual military parade celebrating King Charles III’s official birthday.
But it was her jewelry choice — and Princess Charlotte’s matching accessory — that quickly sparked conversation among royal watchers.
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Kate Middleton’s Trooping the Colour appearance featured Diana’s iconic pearl bracelet, with daughter Charlotte wearing a matching accessory. (Mark Cuthbert / UK Press; Tim Graham Photo Library)
Kate wore Princess Diana’s iconic three-strand pearl bracelet, a statement fashion piece that paid tribute to the late royal.
Meanwhile, sitting across from her mother in the royal carriage, 11-year-old Princess Charlotte appeared to wear a remarkably similar bracelet.
Princess Charlotte of Wales waves as she returns to Buckingham Palace from Horse Guards Parade during the King’s Birthday Parade in London on June 13, 2026. (Justin Tallis/AFP via Getty Images)
The bracelet carries significant royal history.
Designed by jeweler Nigel Milne, Diana famously wore the pearl-and-diamond piece throughout 1989, including at a Birthright charity event, a performance of “The Masked Ball” at the London Coliseum and, most memorably, with her famed “Elvis” gown and the Queen Mary Lover’s Knot Tiara at a state banquet in Hong Kong, according to InStyle.
Following Diana’s death in 1997, Prince William inherited the bracelet and later gifted it to Kate.
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During Trooping the Colour, Princess Charlotte wore a white dress accented with blue details that coordinated with Prince George’s baby blue tie as the siblings rode through London alongside their mother.
Kate, Princess of Wales, rides with her sons Prince George and Prince Louis in an open-top carriage returning to Buckingham Palace during Trooping the Colour in London on June 13, 2026. (Kirsty Wigglesworth/AP)
Prince Louis joined his family in the carriage while Prince William participated in the military procession on horseback.
The carefully coordinated family appearance came as Kate joined King Charles, Queen Camilla and senior royals for Trooping the Colour, one of the most significant events on the royal calendar.
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Britain’s King Charles III and Queen Camilla wave to crowds from the balcony of Buckingham Palace during Trooping The Colour in London on June 13, 2026. (Kirsty Wigglesworth/AP)
Camilla wore a scarlet ceremonial coat accented with gold detailing and a dark-colored hat topped with a white feather plume, while Charles appeared in full military dress uniform adorned with gold braiding, medals and a blue sash across his chest as he greeted well-wishers during the annual celebration of his official birthday.
Meanwhile, the Princess of Wales’ appearance marked another high-profile public engagement as she continues to resume royal duties following her cancer diagnosis and treatment.
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Prince William and Kate, Princess of Wales, watch a Royal Air Force flypast with their children Princess Charlotte, Prince George and Prince Louis from the balcony of Buckingham Palace during Trooping the Colour in London on June 13, 2026. (Kirsty Wigglesworth/AP)
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As Kate continues her return to the spotlight, royal experts believe that her influence within the monarchy has only strengthened in recent years.
“I think the ‘Kate Era’ began the moment she and Prince William exchanged vows in 2011,” Christopher Andersen, author of “Kate!,” recently told Fox News Digital. “No one in recent memory has had a greater impact on the monarchy than Kate.”
King Charles III and Queen Camilla watch a fly past from the balcony of Buckingham Palace with Prince William, Kate, Princess Charlotte, Prince George and Prince Louis during Trooping the Colour in London on June 13, 2026. (Kirsty Wigglesworth/AP)
“Kate was already bringing her own special brand of magic to the monarchy before she was sidetracked by her stunning cancer diagnosis in 2024,” Andersen shared.
“From the beginning, comparisons with Princess Diana were inevitable — both were charismatic, compassionate, beautiful, smart, stylish and, most importantly, they could connect with people on a very human level.”
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Planes of the Royal Air Force perform a flypast over Buckingham Palace, watched by members of the British family including King Charles III, during Trooping The Colour, the King’s annual birthday parade, in London, Saturday, June 13, 2026. (AP Photo/Kirsty Wigglesworth)
Beyond wearing one of Diana’s most treasured pieces of jewelry, Kate has previously honored the late Princess of Wales.
For Trooping the Colour last year, she stepped out in a powder-blue look that echoed a memorable outfit worn by Princess Diana during the 1988 celebration.
Catherine, Princess of Wales, wore an ensemble at last year’s Trooping the Colour that seemed to be a callback to one Diana wore to the 1988 ceremony. (Rasid Necati Aslim/Anadolu)
Diana famously appeared in a similar blue-green ensemble accented with white lapels, creating a visual parallel that royal observers quickly noted.
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The annual celebration featured more than 1,500 military personnel, 200 horses and 400 musicians before concluding with the traditional Buckingham Palace balcony appearance and flypast.