Boris Johnson was known for his contentious stances on a range of issues during his stint as Britain's Prime Minister, but now a new book revealed what the politician really thought about "woke" King Charles's viewpoints on the U.K.'s colonial past.

The co-host of Channel 4's U.S. election program told Johnson that promoting his book was "so cheap", to which the former Tory MP replied: "There’s absolutely nothing you can do to stop me."

Boris Johnson issued a cutting warning to King Charles over the Duchy of Cornwall, according to a royal author. The revelation follows a bombshell investigative documentary, by Channel 4's Dispatches and the Sunday Times,