This was announced by the husband of the actress in his social networks.
“Olivia Newton-John passed away this morning ... on her ranch in southern California, surrounded by family and friends,” RIA Novosti quotes him as saying.
The actress's husband also revealed that Newton-John had been suffering from breast cancer for a long time.
The actress gained wide popularity after the release of the film Grease, for which she was nominated for the Golden Globe film award.
In addition, the singer is a four-time Grammy Award winner.
Earlier it was reported about the death of the artistic director of the ensemble "Birch" Mira Koltsova.