Princess Kate, Princess Charlotte, Prince George and Prince William attend the king's coronation concert on May 7, 2023, in Windsor, England. (Chris Jackson/Getty Images) ...

Prince George, 9, Princess Charlotte, 8, and Prince Louis, 5, charmed viewers with many sweet moments at the coronation of King Charles III — but the fun didn’t stop there.

Princess Charlotte and Prince Louis at the coronation on May 6, 2023. Yui Mok - WPA Pool/Getty Meanwhile, Prince George "was terrific," a family friend told PEOPLE about his role at the coronation.

Prince William honors King Charles at coronation concert with heartfelt speech: ‘We are all so proud of you’ The Prince of Wales, the elder son of King Charles III and the late Princess Diana ...

Prince George's Birthday Celebrated by Westminster Abbey with a Rare Photo from King Charles' Coronation George acted as one of his grandfather's Pages of Honor at the crowning ceremony — and ...

Prince George and Princess Charlotte made their love of Lionel Richie and Katy Perry known by dancing during "All Night Long" and "Roar" at the coronation concert.

Princess Charlotte and Prince George on coronation day in London, May 6, 2023. During the service, Prince George performed the role of Page of Honour to his grandfather, King Charles.

Prince George and Princess Charlotte are seen on the day of their grandfather’s coronation. (Pool/Shutterstock) Just days before the coronation, Charlotte also turned eight.

The True Story Behind the Coronation of King George III and Queen Charlotte It was a six hour long ceremony. By Emily Burack Published: May 13, 2023 11:00 AM EDT Save Article ...