Queen Elizabeth bestowed Harry, 40, and Meghan, 43, with the titles of the Duke and Duchess of Sussex upon their royal wedding day, and the couple later honored her by naming their daughter Lilibet Diana in a tribute to the Queen's childhood nickname of Lilibet, used by family.

Tensions apparently rose further when Prince Harry bypassed royal protocol by asking the Archbishop of Canterbury to officiate.

Royal biographer Sally Bedell Smith got details about Elizabeth and Harry’s alleged dynamic from the monarch’s cousin Lady Elizabeth Anson.