Priscilla Presley learned Elvis Presley had been unfaithful to her by reading his fan mail.
The 79-year-old actress - who divorced the late singer in 1973, seven years after they tied the knot - admitted it was hard to navigate their relationship in the public eye, particularly because the 'Jailhouse Rock' hitmaker was always surrounded by other people, and after hearing "stories" about his behaviour on the road, she found out they were true in a surprising way.
