“I think he absolutely gets what his destiny is and he is embracing it.

He is modeling himself on his grandmother the queen.”

The Duke of Edinburgh died in April 2021 at the age of 99.

Prince William at polo event.

He has since been publicly mourned and honored by the members of the royal family.

Prince Philip left his duty as an active member of the military in 1952 when Elizabeth was coronated.

He went on to become the longest-serving British royal consort until his death.

Prince William with grandfather Prince Philip.

The special is set to air on BBC on September 22, 2021.