Grease star and singer Olivia Newton-John dead at age 73

Olivia Newton-John, Australian singer, actress and four-time Grammy Award winner, has died at the age of 73. Her husband John Easterling announced her death on her Facebook page.

"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", her husband John Easterling, wrote in a statement on the Olivia Newton-John Facebook page.

"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," he added.