Riley Keough recalls getting 'trapped in Elvis' bedroom' with mom Lisa Marie Presley while visiting Graceland: 'If we didn’t get out before the tours began, we were stuck until like 5pm.'

Priscilla Presley made a surprise appearance at Graceland, joining granddaughter Riley Keough to celebrate the release of Lisa Marie's memoir.

Riley Keough and her late mother Lisa Marie Presley enjoyed their stays at Graceland — even when it was occupied by tourists all day. On Wednesday, Oct. 9, the Under the Bridge actress, 35, stopped by Late Night with Seth Meyers to discuss Presley’s newly released posthumous book, From Here to the Great Unknown.