Over their 30-year friendship, Princess Diana and Sarah Ferguson had their fair share of ups and downs - just like the daughters-in-law the late Princess of Wales sadly never got to meet.
Thanks to her diplomatic nature, the 33-year-old, who is pregnant with her second child, is in the centre of a tricky web of loyalties - especially given her closeness to Harry in Montecito.
An image from today s coronation shows Prince Harry appearing to share a joke with Princess Eugenie s husband Jack Brooksbank as they stand outside Westminster Abbey.