Sources state that Lisa Marie was in her house in Calabasas at the time, and received CPR at the scene before being taken to the hospital.
Initially, TMZ reported that Lisa Marie had suffered a "possible" cardiac arrest. However, sources close to the star confirmed that her heart went into "full arrest."
Someone at the scene had administered epinephrine at least once in order to help Lisa Marie regain her pulse. This was successfully done before she headed to the hospital.
As of the time of writing, Presley's condition remains unknown, though she is currently in the hospital.
Daughter of Priscilla Presley and rock & roll legend Elvis Presley, Lisa Marie was in attendance due to the nominations for the 2022 biopic, Elvis.
Viewers commented and joked on social media following Butler's speech, pointing out how he continued to speak like Elvis despite having wrapped filming long ago. Still, neither Priscilla nor Lisa Marie seemed to mind.
She's also mother to four kids, including Golden Globe-nominated actress Riley Keough, whom she shares with her first husband Danny Keough.
Elvis died in 1977 at the age of 42 due to heart disease, but his legacy as King of Rock n' Roll has persisted in the decades since.
Lisa Marie eventually came to own and run it.
However, by 2005, Lisa Marie made the decision to sell Elvis Presley Enterprises.
Lisa Marie remains the owner of Elvis's Memphis ranch, Graceland.
h/t Page Six