Prince Louis, the 5-year-old youngest son of Prince William and Princess Kate, waved while sitting in a carriage.

The coronation of King Charles III, taking place on May 6, is a historical milestone marking the moment England officially had a new monarch after more than 7 decades.

Prince Louis, the 5-year-old youngest son of Prince William and Princess Kate, waved while sitting in a carriage.

The coronation of King Charles III, taking place on May 6, is a historical milestone marking the moment England officially had a new monarch after more than 7 decades.

Princess Charlotte (right), 8 years old, the second child in the William – Kate family, with Prince Louis at Westminster Abbey, where the coronation ceremonies of King Charles III and Queen Camilla took place.

Princess Charlotte (right), 8 years old, the second child in the William – Kate family, with Prince Louis at Westminster Abbey, where the coronation ceremonies of King Charles III and Queen Camilla took place.

Prince Louis (black shirt) sits next to his sister in Westminster Abbey.

Similar images were recorded last summer, when Britain celebrated the 70th anniversary of Queen Elizabeth II’s reign.

Prince Louis (black shirt) sits next to his sister in Westminster Abbey.

Similar images were recorded last summer, when Britain celebrated the 70th anniversary of Queen Elizabeth II’s reign.

Prince George (red shirt, second from left), 9 years old, eldest son of Prince William, served as a page escorting the king at the coronation ceremony.

Prince George (red shirt, second from left), 9 years old, eldest son of Prince William, served as a page escorting the king at the coronation ceremony.

Fellow pews lift the mantles of King Charles III and Queen Camilla at Westminster Abbey.

Fellow pews lift the mantles of King Charles III and Queen Camilla at Westminster Abbey.

Prince George rode in a carriage with his parents and children to Buckingham Palace.

Prince George is second in line to the throne, after his father, Prince William.

Prince George rode in a carriage with his parents and children to Buckingham Palace.

Prince George is second in line to the throne, after his father, Prince William.

Princess Charlotte waves while sitting in a carriage.

Princess Charlotte waves while sitting in a carriage.

Prince William’s family members looked up at the formation of planes flying over Buckingham Palace.

Prince William’s family members looked up at the formation of planes flying over Buckingham Palace.

Prince Louis (center) and his parents watch an artistic flying performance in the sky over London.

Prince Louis (center) and his parents watch an artistic flying performance in the sky over London.

Photo: Reuters, PA