Princess Diana's biographer Andrew Morton speaks to Kate Thornton in episode three of Yahoo's exclusive Royal Box series

Introducing The Royal Box, Yahoo UK's brand new show on all things royal.

Presented by Kate Thornton, episode three features Princess Diana's biographer Andrew Morton.

Mr Morton talks about the repercussions of his Princess Diana biography, 'Diana: Her True Story' and how Meghan's fitting into the royal family.

Also on the sofa is PR guru Nick Ede, royal historian Prof. Kate Williams and psychologist Emma Kenny who give some insight on what it's like growing up in the royal family with the whole world watching.

Plus, we look at what the Duke and Duchess of Cambridge and the Duke and Duchess of Sussex have in the diaries for the next few weeks.