Priscilla Presley and Lisa Marie Presley in April 2015.Photo: Bryan Steffy/WireImage

Priscilla Presley (L) and singer Lisa Marie Presley attend the ribbon-cutting ceremony during the grand opening of “Graceland Presents ELVIS: The Exhibition - The Show - The Experience”

Priscilla Presleycontinues to mourn the loss of her daughterLisa Marie Presley.

In a new cover story inThe Hollywood Reporterpublished on Tuesday aboutSofia Coppola’supcoming filmPriscilla, the former wife ofElvis Presley, 78, opened up about her grief.

“I still can’t believe it. I don’t wish this on any mother,” the music industry legend toldThe Hollywood Reporter.

Priscilla explained that when Lisa Marie’s ex-husband,Danny Keough, called her to tell her something was wrong, she immediately tried to go to her and Elvis' only child together. She said, “I got right in the car, but she was already gone.”

Just two days before the singer’s death, the mother-daughter duo was celebrating together. Priscilla recalled toTHRhow they had gone to the Chateau Marmont afterAustin Butlerwon the Golden Globe for best actor in a drama for his portrayal of Elvis inBaz Luhrmann’sElvis.

“I tripped a little bit because I had these high heels on, and she started laughing so hard. I started laughing. We hadn’t even had a drink yet. She goes, ‘Oh my God, Mom, you can’t even have a drink.’ … It was fun, a fun memory,” Priscilla said. “Then we sat down and ordered drinks, and she says, ‘Mom, my stomach hurts really bad.’ We immediately got up and left.”

Priscilla Presley in The Hollywood Reporter.Melodie McDaniel

priscilla presley and sofia coppola

Melodie McDaniel

“It is with a heavy heart that I must share the devastating news that my beautiful daughter Lisa Marie has left us,” Priscilla confirmed in a statement to PEOPLE in January. “She was the most passionate, strong and loving woman I have ever known. We ask for privacy as we try to deal with this profound loss. Thank you for the love and prayers.”

Priscilla Presley and Sofia Coppola in The Hollywood Reporter.Melodie McDaniel

priscilla presley and sofia coppola

Legal counsel for the two parties reacheda settlement dealin late May.

At the time, Priscillatold PEOPLEexclusively, “My family has resolved all confusion as it relates to our plea to the court and request for document interpretation after my daughter Lisa Marie’s untimely passing.”

“Although some media identified such a plea as a lawsuit, I want to make clear that there was never any lawsuit filed against my beloved granddaughter,” she continued.

Priscilla added: “As a family, we are pleased that we resolved this together. My family and I hope that everyone will grant us the privacy we have needed to properly grieve Lisa Marie and spend personal time together. We love and appreciate all of you and the Presley family is stronger than ever.”

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Keough, 34, now owns Elvis’ former estateGracelandin Memphis, Tennessee, which he gifted to Lisa Marie when he died in 1977. She also presides over the sub-trusts of her 14-year-old half-sistersFinley and Harper Lockwood, Lisa Marie’s daughters from her marriage to musicianMichael Lockwood.

source: people.com