Lisa Marie Presley's estate is being sued over an unpaid loan.

Elvis' late daughter, who died Jan. 12 at the age of 54, reportedly failed to repay a $3.8 million loan, according to documents obtained by Entertainment Tonight.

Naussany Investments & Private Lending, LLC, claims Presley took the loan out in 2018 and that she used her stake in Elvis Presley Enterprises and Graceland as collateral.

Naussany claims Presley initially borrowed $450,000 in 2016. The firm adds she paid that amount back before taking out a second loan in 2018.

Documents provided by the private lender include a promissory note signed by Presley agreeing to pay off the $3.8 million loan by May 16, 2022, as well as copies of two cashier's checks made out to Presley.

READ MORE: Priscilla Presley's Request to Be Buried Next to Elvis at Graceland Denied

Court documents appear to show Naussany didn't have any contact with Presley after March 23, 2022, and that their attempts to collect the debt were rejected.

The firm is reportedly willing to work with Presley's estate and will agree to a settlement if the trustee of the estate pays $2.85 million within 45 days.

Presley's daughter Riley Keough was announced as the sole trustee of her mother's estate back in June.

Keough was awarded the role of sole trustee after she reached an agreement with her grandmother Priscilla Presley, who received an undisclosed amount of money after dropping her legal challenge to a 2016 amendment to Lisa Marie's will that had replaced her as a trustee.

After her passing, it was reported that Presley was $4 million in debt, including $2.5 million in debt to the IRS.

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