The late monarch reportedly questioned the sincerity of the former 'Suits' star and privately voiced her concerns to a trusted confidante.

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.

Thomas Markle's absence from Meghan Markle's wedding to Prince Harry sparked widespread discussions about their strained father-daughter relationship. Since then, Meghan and her father have remained estranged,