Prince Andrew was also excluded from the moment.
King Charles gets frustrated over a leaky pen while signing a guest book at Hillsborough Castle in Ireland on Tuesday.
Prince Harry, Prince William and King Charles III walk behind Queen Elizabeth's coffin as it heads to Westminster Hall.
The Duke and Duchess of Sussex joined the royal family for an emotional afternoon dedicated to the late royal.
The Duke of Sussex was seen wiping away tears as his grandmother's Westminster Abbey service.
They joined their father, King Charles III, and other members of their family for the historic moment.
Thousands lined up to wave and cheer as the queen's coffin traveled to the Palace.
Royal expert Katie Nicholl reports from outside Buckingham Palace, where King Charles III and his family received the Queen's coffin.
The military veteran will be wearing a suit to all events surrounding his grandmother Queen Elizabeth II's death.
Check out this full episode of ET's The Download, breaking down all the must-know entertainment news stories from Monday, Sept. 12.
Prince William and Kate Middleton reunited with Prince Harry and Meghan Markle as they viewed floral tributes to Queen Elizabeth II.
Royal expert Katie Nicholl provides some insight into why Prince Harry can't wear his military uniform to Queen Elizabeth II's funeral.
The 37-year-old Duke of Sussex has previously spoken about the painful loss of his titles.
The Queen died on September 8.