Lisa Marie Presley rests at Graceland with her son Benjamin Keough

 Lisa Marie Presley will rest alongside her son, Benjamin Keough, ET can confirm. Presley will be buried next to her son in Graceland's Meditation Garden. In addition to Lisa Marie and Ben, Lisa Marie's father Elvis Presley and her parents Vernon and Gladys are also buried in the garden.    ET also learned that Ben's grave was moved slightly to make room for Lisa Marie. News of Lisa Marie's final resting place comes ahead of her public memorial service on Sunday. Following her death, the family confirmed that a public memorial service will be held at Graceland in honor of the late singer. The service will be broadcast live via Graceland's live streaming page.   In a statement shared Monday, Lisa Marie's rep told ET that a public funeral service was being held on Graceland's front lawn at 9:00 a.m. Sunday, at the Presley family estate in Memphis, Tennessee. After the service, there will be a procession to see Lisa Marie's last rest place in the meditation