Riley Keough on Lisa Marie Presley's Grief over Dad Elvis' Death: 'I Don't Think She Knew How to Process It' (Exclusive)
When Riley Keough was a young girl, she watched her mom grieve the loss of her late grandfather, Elvis Presley. In a clip shared exclusively with PEOPLE from An Oprah Special: The Presleys — Elvis, Lisa Marie and Riley, the Daisy Jones & the Six actress opened up about Lisa Marie Presley 's grieving process.