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Prince William’s ‘Bellowing Tantrums’ Leave King Charles Shaken — But He May Bear Some Blame

While Prince William appears calm at public events, a former aide claims he regularly yelled at King Charles, leaving the monarch terrified.

(L) Prince William attends day two of Royal Ascot; (R) King Charles on day 2 of The Royal Windsor Horse Show. Cover Image Source: Getty Images| (L&R) Max Mumby/Indigo
(L) Prince William attends day two of Royal Ascot; (R) King Charles on day 2 of The Royal Windsor Horse Show. Cover Image Source: Getty Images| (L&R) Max Mumby/Indigo

In public, Prince William seems calm and collected, giving off friendly next-door-neighbor vibes. However, according to royal author Christopher Anderson's new book, his behavior isn't only that. The reality is said to be far grimmer behind closed doors. A former staff member claims that while the Prince of Wales never yelled at his wife and three children, he regularly lost his temper at King Charles, with his alleged outbursts leaving the monarch terrified. 

Prince William and King Charles at the Illegal Wildlife Trade Conference. (Image Source: Getty Images| John Stillwell - WPA Pool)
Prince William and King Charles at the Illegal Wildlife Trade Conference. (Image Source: Getty Images| John Stillwell - WPA Pool)

Speaking to Page Six, Anderson revealed that William's 'great bellowing tantrums' are reportedly so fierce that it 'terrifies' his father. Moreover, in his new book, Kate! The Courage, Grace, and Power of the Woman Who Will be Queen, the royal author noted that while the Prince was "kind and considerate to a fault" with his staff and strangers, and never raised his voice to his family, he took out his anger on Charles. A former aide quoted in the book alleged, "When he [William] gets frustrated, he does resort to shouting" at the King. They continued, "William has a huge, booming voice. Much louder than his father's, so it's not something you soon forget."

Prince William speaks to guests as he departs the 2026 Commonwealth Day Service.
Prince William speaks to guests as he departs the 2026 Commonwealth Day Service. (Image Source: Getty Images| Chris Jackson)

Additionally, the royal author stressed that he did not see William's anger as an isolated incident, as he inherited the same from his father. He claimed Charles, too, reportedly has "a temper like Vesuvius." In an earlier book, he described how the King allegedly "tore a sink off the wall" out of frustration after a cufflink fell down the drain. While William's temper has been under the radar, Charles has aired his frustration in public. One notable incident followed just days after Queen Elizabeth's death in 2022, when the monarch threw a hissy fit over a leaking pen. Wiping the ink with his handkerchief, he scoffed, "Can't bear this bloody thing. Every stinking time."

It seems Anderson is not the only one who has provided an account of the Prince's alleged tantrums. In his book, Battle of Brothers, royal author Robert Lacey alleged that William and Charles would often get into rows involving Queen Camilla. He penned, "In the years after her 2005 marriage to Prince Charles, Camilla has recounted to her own family and close friends her surprise at discovering this unexpected side to Prince Charming - 'the boy's got a temper!'" He added, "Charles's wife had been horrified at the ranting and raving that on occasion William had unleashed against her husband in her presence."

Image Source: Getty Images| Aaron Chown - WPA Pool
King Charles, Queen Camilla, and Prince William watch a fly-past on the Buckingham Palace balcony. (Image Source: Getty Images| Chris Jackson)

To make matters worse, royal author Robert Jobson went a step further during his appearance on The Daily T podcast for The Telegraph, adding more to his assessment of the heir apparent and his alleged mood swings. He said, "I think that there's no doubt that the King used to get on better with Harry [than William]." He continued, "[William] can be quite, not controlling, but he's a bit tricky. He's got a bit of a temper." 

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