Has Oprah been wooing Prince Harry and Meghan Markle since their WEDDING? Princess Diana's biographer Andrew Morton says TV doyenne was always going to be first choice for a 'fireside confessional' Oprah Winfrey filmed blockbuster interview - due to be broadcast on Sunday March 7th - at the Duke and Duchess of Sussex's California home over two days last week Princess Diana's biographer Andrew Morton said Oprah had landed the 'royal catch of the year' with interview Suggested star was the only choice for the role of interviewer if the couple ever broke their silence, saying: 'As Oprah watched her walk down the aisle without her father, she could feel a fireside confessional coming on'