The monarch turned 74 on Monday.
'The Crown' depicted a then-Prince Charles breakdancing in the episode, 'The Way Ahead.'
ET takes a look back at the many royal scandals triggered by the tabloids.
Season 5 of 'The Crown' is streaming now on Netflix.
Check out this full episode of ET's The Download, breaking down all the must-know entertainment news stories from Wednesday, Nov. 9.
A protester threw eggs at King Charles during his visit to York for the unveiling of a new statue of his late mother, Queen Elizabeth.
The 73-year-old British monarch was visiting York, England, with his wife, Queen Consort Camilla.
The actor says he informed the Prince's Trust that he was taking on the role but didn't ask the family for any advice.
Royals author Christopher Anderson chats with ET about why King Charles feels betrayed by Prince Harry and his tell-all memoir.
Royal author Christopher Anderson chats with ET about how King Charles still travels with his childhood teddy bear.
Christopher Andersen chats with ET about his new book, ‘The King: The Life of Charles III,’ out now.
Christopher Andersen also alleges that the new monarch has 'a volcanic temper.'
'Spare,' Prince Harry's memoir, is due out Jan. 10.
Rishi Sunak is both the first British prime minister to be sworn in by the new king and also the first British Asian prime minister.
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