On Saturday, guards and a musician passed out due to the high temperature in the U.K.
The member of the Band of the Welsh Guards had to be carried out by stretcher.
Prince William had a laugh on Thursday while attending the opening of a new cancer treatment center in London.
William encountered the man and his wife at a cancer treatment center.
'The New Royals' author Katie Nicholl tells ET how Prince Harry's family feels about him testifying in court for a tabloid case.
Royal expert Katie Nicholl shares how this trial could affect the royal family as a whole.
The Prince and Princess of Wales were on hand to see Crown Prince Hussein tie the knot.
King Charles III's coronation took place on May 6. It was the first coronation since 1953.
The new photo was taken on the day of the coronation.
Prince Harry didn't speak with King Charles or Prince William at the coronation, but the king did acknowledge Archie's birthday.
Royal expert Katie Nicholl told ET about where things stand in the royal family today.
Princess Charlotte joined her parents, Kate Middleton and Prince William, at King Charles' coronation concert on Sunday.
Body language expert Darren Stanton analyzed the royal family's big day for ET.
Prince Harry stayed in the background during the coronation for his dad, King Charles III, but his facial expressions stole the show.