Riley Keough has claimed a foreclosure auction of her grandfather Elvis Presley’s iconic Graceland home is “fraudulent”. On Thursday (23.05.24), the famous Memphis property is due to be sold to the highest bidder by Naussany Investments and Private Lending LLC, who allege Riley’s late mother and Graceland’s previous owner Lisa Marie Presley signed a Deed of Trust, using Graceland as collateral, to secure a $3.8 million loan which she is said to have failed to repay before her death in January 2023. According to a 60-page lawsuit obtained by PEOPLE, the 34-year-old actress alleges “the note and…