Queen's 'confident' body language stark contrast to 'awkward' and 'tense' Camilla - expert

Judi added: “The Queen then actively chats to the band, engaging Charles in the conversation while Camilla stands back slightly, with her rigidly-placed arms suggesting an air of tension or awkwardness.”

Twitter comments were turned off on Prince Charles and Camilla’s Clarence House account earlier this month after trolls targeted the couple in reaction to season four of Netflix drama The Crown.

Camilla and Prince Charles’s affair is a key theme of the new series and while their relationship is fictionalised onscreen at has still prompted backlash from viewers who have confused it with fact.

Prince Charles and Camilla may be among the only royals to visit Prince Philip and the Queen at Windsor Castle this Christmas, a royal expert has claimed.