Dame Olivia Newton-John died at her Southern California home on Monday morning at 73, according to a post on her official Facebook.

As of October 2021, she was battling stage 4 breast cancer, People reported. Newton-John was most widely known for her role of “Sandy” in Grease, where she starred alongside John Travolta. The actress also starred in “Xanadu” and “Two of a Kind.” Outside of movies, she had a successful music career in her own right, especially with her 1981 hit “Physical.”

From the Facebook post:

Dame Olivia Newton-John (73) passed away peacefully at her Ranch in Southern California this morning, surrounded by family and friends. We ask that everyone please respect the family’s privacy during this very difficult time.

Olivia has been a symbol of triumphs and hope for over 30 years sharing her journey with breast cancer. Her healing inspiration and pioneering experience with plant medicine continues with the Olivia Newton-John Foundation Fund, dedicated to researching plant medicine and cancer. In lieu of flowers, the family asks that any donations be made in her memory to the Olivia Newton-John Foundation Fund (ONJFoundationFund.org).

Olivia is survived by her husband John Easterling; daughter Chloe Lattanzi; sister Sarah Newton-John; brother Toby Newton-John; nieces and nephews Tottie, Fiona and Brett Goldsmith; Emerson, Charlie, Zac, Jeremy, Randall, and Pierz Newton-John; Jude Newton-Stock, Layla Lee; Kira and Tasha Edelstein; and Brin and Valerie Hall.

In 2019, she was part of the Queen’s New Year honours list, in which she became a dame.