Elvis Presley's granddaughter, Riley Keough, revealed new details about her late mother Lisa Marie Presley's recollections of the rock icon's death.
The "Lights Out" singer was Elvis' only child, whom he welcomed with wife Priscilla Presley in February 1968. Lisa Marie was staying with her father at his Graceland estate at the time of his sudden death from a heart attack at the age of 42 Aug. 16, 1977.
Keough recently sat down for an interview with Oprah Winfrey and discussed Lisa Marie's upcoming memoir...