WATCH: Young royals steal the show at king's coronation
Prince William and Kate's three children attended the coronation service for King Charles III and Queen Camilla Saturday.
Prince George, the second in line to the British throne, held a special role in the coronation, the first in the United Kingdom in 70 years. The eldest son of the Prince and Princess of Wales was a Page of Honor, processing behind Charles and holding his ceremonial robes as they entered Westminster Abbey.
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Britain's King Charles and Prince George stand during the coronation ceremony at Westminster Abbey, in London, May 6, 2023.
For the occasion, George wore a bright scarlet tunic detailed with gold lace trim and blue velvet cuffs, along with white gloves, wool trousers and boots.
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Britain's Prince George of Wales holds the robe of Britain's King Charles III at Westminster Abbey, in central London on May 6, 2023, during the Coronation.
George, who is 9, was the youngest of the Pages of Honor. The group also included Queen Camilla's grandsons Master Gus Lopes, Master Louis Lopes and Master Freddy Parker Bowles, and her great-nephew Master Arthur Elliot.
Princess Charlotte, 8, and Prince Louis, 5, traveled separately to Westminster Abbey, riding in the same car with their mother.
MORE: Princess Kate talks Prince Louis at the coronation
Kate and Charlotte both wore floral headpieces with ornamental silver braids for the coronation.
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Britain's Prince William and Kate, Princess of Wales, followed by Princess Charlotte and Prince Louis, arrive for the coronation of King Charles III at Westminster Abbey, London, May 6, 2023.
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Britain's Prince Louis and Princess Charlotte arrive at the coronation of King Charles III at Westminster Abbey, May 6, 2023, in London.
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The Royals attend the Coronation of King Charles III and Queen Camilla at Westminster Abbey on May 6, 2023 in London.
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The Prince of Wales, Princess Charlotte, Prince Louis, the Princess of Wales and the Duke of Edinburgh at the coronation ceremony of King Charles III and Queen Camilla in Westminster Abbey, London, May 6, 2023.
Charlotte and Louis also walked behind their parents into the abbey and sat between them for the service.
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Catherine, Princess of Wales, Prince Louis of Wales and Page of Honour Prince George depart the Coronation service of King Charles III and Queen Camilla, May 06, 2023 in London.
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Britain's Prince William, Catherine, Princess of Wales, Princess Charlotte, Prince George and Prince Louis travel in a carriage from Westminster Abbey following Britain's King Charles' coronation ceremony, in London, May 6, 2023.
After the coronation service ended, George reunited with the rest of his family and joined his siblings and parents in a black and gold carriage for the Coronation Procession back to Buckingham Palace.
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The royals stand on the Buckingham Palace balcony following Britain's King Charles' coronation ceremony in London, May 6, 2023.
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Britain's Prince Edward, Sophie, Duchess of Edinburgh and their children Lady Louise Windsor and James, Earl of Wessex, Anne, Princess Royal, Vice Admiral Sir Tim Laurence, Britain's Prince William, Catherine, Princess of Wales, and their children Princess Charlotte and Prince Louis stand on the Buckingham Palace balcony following Britain's King Charles' coronation ceremony in London, May 6, 2023.
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The royal children then followed the king and queen as they made a traditional Buckingham Palace balcony appearance. As Charles and Camilla waved at the crowds, Prince Louis brought a moment of light-hearted fun to the pomp and circumstance by playing an imaginary piano.