"I don't know if she did this mass exodus thing because she started taking drugs, or if it was other way around," Riley Keough tells PEOPLE

Lisa Marie Presley claimed that she was molested by her mother Priscilla Presley’s ex-boyfriend, actor Mike Edwards, in her new memoir. After the death of her dad, Elvis Presley, in 1977, Lisa Marie moved full-time to LA to live with her mom, with whom she had a tumultuous relationship throughout her life.

Riley Keough was joined by grandmother Priscilla Presley during a recent trip to Graceland in honor of her mother, Lisa Marie Prelsey. In support of Lisa Marie’s posthumously released memoir, From Here to The Great Unknown,

From Lisa Marie's grief over Elvis' death, to freezing her late son Benjamin Keough's body, nothing was off limits in the posthumous tell-all.

Lisa Marie Presley spoke about her legendary father, Elvis Presley, and how she reacted to his death as a child in her posthumous memoir.

Priscilla Presley's ex Michael Edwards denied the ‘absolutely untrue’ allegations that he sexually assaulted young Lisa Marie Presley in the 1980s

Lisa Marie Presley’s posthumous memoir details disturbing allegations about her mother Priscilla Presley’s ex-boyfriend Michael Edwards, who began dating Priscilla when Lisa was 9 years old.

Lisa Marie Presley, who died in early 2023, wrote in her memoir that her mother Priscilla's ex-boyfriend Mike Edwards molested her

Exclusive: Actor and singer said her late mother was a major inspiration for her performance in the hit Prime Video series, but died two months before its release

Riley Keough's Presley genes are strong. As the granddaughter of Elvis Presley, Keough looks like a spitting image of the singer. Her family's heritage has continued to inspire her signature style that's best described as a retro take on the country meets coquette aesthetic.