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.
'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.
King Charles III's coronation took place on May 6. It was the first coronation since 1953.
Andrew was stripped of his royal duties and told to move into Prince Harry and Meghan Markle's former home, Frogmore Cottage.
King Charles III and Queen Camilla surprised 'American Idol' audiences during the May 7 episode.
Lionel Richie chats with ET's Denny Directo after 'American Idol's Disney night live taping. 'American Idol' airs Sundays on ABC.
The new photo was taken on the day of the coronation.
It's true: Queen Charlotte is King Charles III's great-great-great-great-great grandmother.
Sir Karl Jenkins, a guest at the King's coronation, sets the record straight after fans claimed he was Meghan Markle in disguise.
Katie Nicholl, 'The New Royals' author, chats with ET about where Prince Harry stands with his family after attending the coronation.
The royal family's official portrait was released Monday following King Charles' coronation Saturday.
Katy Perry, Tom Cruise, Kermit the Frog, Miss Piggy, Winnie the Pooh and more celebrities appear at King Charles' coronation concert.
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