Olivia Newton-John, superstar singer and actress, dies at 73

Actress and singer Olivia Newton-John attends the 2018 G'Day USA Los Angeles Gala in Los Angeles on Jan. 27, 2018. Newton-John, a longtime resident of Australia whose sales topped 100 million albums, died Monday at her southern California ranch, John Easterling, her husband, wrote on Instagram and Facebook. She was 73. (Photo by Richard Shotwell/Invision/AP, File)

Olivia Newton-John, the Grammy-winning superstar who reigned on pop, country, adult contemporary and dance charts with such hits as “Physical” and “You’re the One That I Want” and won countless hearts as everyone’s favorite Sandy in the blockbuster film version of “Grease,” has died. She was 73.

Newton-John, a longtime resident of Australia whose sales topped 100 million albums, died Monday at her southern California ranch, John Easterling, her husband, wrote on Instagram and Facebook.

“Olivia has been a symbol of triumphs and hope for over 30 years sharing her journey with breast cancer,” he wrote. “We ask that everyone please respect the family’s privacy during this very difficult time.”