The former starlet who walked away from Hollywood in 1963 to become a nun spun her tale into a fundraising campaign for her crumbling monastery in rural Connecticut.
But the tale about Presley's first on-screen kiss and the girl who turned from the screen to sisterhood has done more than keep open the doors of Abbey of Regina Laudis.
It has inspired new interest in its monastic work. Now she and the other nuns hope to raise up to USD 9 million to restore the order's former brass factory for future generations.
Fire officials had found numerous fire code and safety issues in what was a ramshackle collection of factory buildings, barns and sheds that were linked together in 1947 after the nuns purchased the old industrial site.
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Mother Dolores went on to write an autobiography, embark on a speaking tour, and make TV appearances. In 2012, she returned to Hollywood to attend the Academy Awards when a documentary short about her life, "God is the Bigger Elvis," was nominated for an Oscar.
But the bigger reward, she said, came as an answer to her prayers for the abbey.
Shortly after her autobiography was published, the monastery began receiving letters and donations from across the world. One man began sending USD 100 a month. A woman in New Zealand sent USD 3,000.
"The Elvis fans didn't have a lot of money, but they sent quite a few dollars and all their love," she said.
The nuns quickly raised more than USD 1 million. The abbey's main building now has new alarm and sprinkler systems, an elevator and other safety improvements.
The most recent version of the renovation plan, dubbed New Horizons, calls for a new chapel (the ceiling is sagging), housing and other environmentally friendly and disabled accessible spaces to live and pray.