The pair recreated one of the famous couple's '70s looks.
'The shock of losing Ben has been devastating,' she said in a statement shared to Facebook.
Previously, fans had been calling for Lana Del Rey to take on the role.
Wednesday marks the 40th anniversary of Elvis Presley's death and Priscilla is only with ET as she remembers the man who would forever be her king.
ET exclusively sat down with Elvis' ex-wife in Graceland on the 40th anniversary of his death.
EXCLUSIVE: Priscilla Presley Reflects on the 40th Anniversary of Elvis' Death: 'We Were Gifted to Have Him'
Thousands of fans gathered at Graceland on Tuesday night.
Priscilla Presley let ET inside the new $45 million expansion at Graceland in Memphis, Tennessee!
Priscilla let ET inside the new entertainment complex!
Priscilla tells ET the main focus is the couple's 8-year-old twin daughters.
Lisa Marie Presley and her ex-husband both showed up in court on Wednesday in Los Angeles, California.
'The girls have not been in foster care and never will be.'
Despite their controlling marriage, the 71-year-old still considers Elvis the 'love of my life.'
ET has been a frequent guest at Graceland and now Priscilla Presley is showing us the Guest House!
