Meghan Markle and Prince Harry have spoken out about their controversial exit from the royal family all in a landmark television interview with US chat show host Oprah Winfrey.

One of Princess Diana's close friends shared what the late princess would have likely thought of Meghan Markle.

"In the case of Harry and Megan, Harry showed his loyalty to Megan during Megxit when the couple left their royal duties for a life in the USA," she said.