Priscilla Presley

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Riley Keough (the eldest grandchild of Elvis and Priscilla Presley) and her mom Lisa Marie Presley

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FILE - In this May 7, 2016 file photo, Priscilla Presley attends "To the Rescue: Saving Animal Lives" Gala and Fundraiser held at Paramount Pictures Studio in Los Angeles. A $45 million entertainment complex featuring exhibits and restaurants focused on the life and career of Elvis Presley is scheduled to open at Graceland in Memphis. Priscilla Presley, the former wife of the late rock 'n' roll icon, is scheduled to appear at the grand opening of the complex in Tennessee on Thursday, March 2, 2017.(Photo by Richard Shotwell/Invision/AP, File)

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Priscilla Presley stands in the "60 years of Elvis" exhibit inside an annex at Graceland on Friday, Feb. 21, 2014, in Memphis, Tenn. The exhibit, which opens Monday, Feb.24, 2014 features jumpsuits worn by Presley, an organ played in his California home, a copy of the original “That’s All Right” record and other miscellaneous Elvis items. (AP Photo/Lance Murphey)

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Priscilla Presley stands in the "60 years of Elvis" exhibit inside an annex at Graceland on Friday, Feb. 21, 2014, in Memphis, Tenn. The exhibit, which opens Monday, Feb. 24, 2014 features jump suits worn by Presley, an organ played in his California home, a copy of the original “That’s All Right” record and other miscellaneous Elvis items. (AP Photo/Lance Murphey)

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Priscilla Presley stands in the "60 years of Elvis" exhibit inside an annex at Graceland on Friday, Feb. 21, 2014, in Memphis, Tenn. The exhibit, which opens Monday, Feb. 24, 2014 features jump suits worn by Presley, an organ played in his California home, a copy of the original “That’s All Right” record and other miscellaneous Elvis items. (AP Photo/Lance Murphey)

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Priscilla Presley stands in the "60 years of Elvis" exhibit inside an annex at Graceland on Friday, Feb. 21, 2014, in Memphis, Tenn. The exhibit, which opens Monday, Feb. 24, 2014 features jump suits worn by Presley, an organ played in his California home, a copy of the original “That’s All Right” record and other miscellaneous Elvis items. (AP Photo/Lance Murphey)

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Priscilla Presley stands in the "60 years of Elvis" exhibit inside an annex at Graceland on Friday, Feb. 21, 2014, in Memphis, Tenn. The exhibit, which opens Monday, Feb. 24, 2014 features jump suits worn by Presley, an organ played in his California home, a copy of the original “That’s All Right” record and other miscellaneous Elvis items. (AP Photo/Lance Murphey)

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Priscilla Presley stands in the "60 years of Elvis" exhibit inside an annex at Graceland on Friday, Feb. 21, 2014, in Memphis, Tenn. The exhibit, which opens Monday, Feb. 24, 2014 features jump suits worn by Presley, an organ played in his California home, a copy of the original “That’s All Right” record and other miscellaneous Elvis items. (AP Photo/Lance Murphey)

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Priscilla Presley stands in the "60 years of Elvis" exhibit inside an annex at Graceland on Friday, Feb. 21, 2014, in Memphis, Tenn. The exhibit, which opens Monday, Feb. 24, 2014 features jump suits worn by Presley, an organ played in his California home, a copy of the original “That’s All Right” record and other miscellaneous Elvis items. (AP Photo/Lance Murphey)

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Priscilla Presley stands in the "60 years of Elvis" exhibit inside an annex at Graceland on Friday, Feb. 21, 2014, in Memphis, Tenn. The exhibit, which opens Monday, Feb.24, 2014 features jumpsuits worn by Presley, an organ played in his California home, a copy of the original “That’s All Right” record and other miscellaneous Elvis items. (AP Photo/Lance Murphey)

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Priscilla Presley stands in the "60 years of Elvis" exhibit inside an annex at Graceland on Friday, Feb. 21, 2014, in Memphis, Tenn. The exhibit, which opens Monday, Feb. 24, 2014 features jump suits worn by Presley, an organ played in his California home, a copy of the original “That’s All Right” record and other miscellaneous Elvis items. (AP Photo/Lance Murphey)

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Priscilla Presley stands in the "60 years of Elvis" exhibit inside an annex at Graceland on Friday, Feb. 21, 2014, in Memphis, Tenn. The exhibit, which opens Monday, Feb. 24, 2014 features jump suits worn by Presley, an organ played in his California home, a copy of the original “That’s All Right” record and other miscellaneous Elvis items. (AP Photo/Lance Murphey)

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Priscilla Presley stands in the "60 years of Elvis" exhibit inside an annex at Graceland on Friday, Feb. 21, 2014, in Memphis, Tenn. The exhibit, which opens Monday, Feb. 24, 2014 features jump suits worn by Presley, an organ played in his California home, a copy of the original “That’s All Right” record and other miscellaneous Elvis items. (AP Photo/Lance Murphey)