Actress and singer Olivia Newton-John dies aged 73

Olivia Newton-John, star of Grease and multi-platinum selling singer, has died at 73, her official Facebook page says.

In a short statement, her husband John Easterling said she had passed away at her California ranch on Monday morning.

"Olivia has been a symbol of triumphs and hope for over 30 years sharing her journey with breast cancer," the statement said.

"We ask that everyone please respect the family's privacy during this very difficult time."

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