King Charles' 'secret weapon' is his 'most important ally'

King Charles' bond with Princess Anne has emerged to be his 'secret weapon' as the royal is known to be a staunch supporter of the monarchy. 

Princess Anne is said to be King Charles' 'most important ally' as he grapples with handling the throne during a sensitive time as the Firm has been rocked with the departure and subsquent scandals of Prince Harry and Meghan Markle along with King Charles and Kate Middleton's cancer diagnosis.