Betty White "died peacefully in her sleep at her home" on New Year's Eve at age 99, her agent and longtime friend Jeff Witjas previously told PEOPLE Betty White's cause of death has been revealed.

Betty White was always appreciative of her fans ... His 'Life Was Incomparable' Elvis Presley's Former Nurse Marian J. Cocke Dies at 98 as Priscilla Presley Calls Her the Person 'He Always ...

In 2017, Betty White reunited with then 83-year-old tap dancer Arthur Duncan, whom she had helped secure his first television job on her variety show The Betty White Show more than six decades ...

"She was the goldenest of them all and will be forever missed," Don Cheadle wrote of his Golden Palace costar Betty White, who died on New Year's Eve at age 99 Glenn Garner is a form writer ...