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British singer, actress Dame Olivia Newton-John has died after a long battle with breast cancer. She was 73.

The four-time Grammy Award winner is best known for her hit song “Let’s Get Physical” (1981) off her eleventh studio album of the same name.

John charted four number-one hits and ten top-10 hits on the Billboard Hot 100, as well as 2 Billboard 200 number-one albums, If You Love Me, Let Me Know and Have You Never Been Mellow.

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Her acting credits include the musical film Grease, whose soundtrack include two of her biggest hits: “You’re the One That I Want” featuring co-star John Travolta, and “Summer Nights”.

She also starred in the 1980 film Xanadu, and Two of a Kind (1983).

John was married twice and shares daughter, Chloe, with ex-husband, actor and dancer Matt Lattanzi, who appeared in 4 of her music videos including “Let’s Get Physical.” They divorced in 1995 after 11 years of marriage.

Newton-John was an enthusiastic animal rights and environmental activist.

She is survived by daughter, Chloe, and husband John Easterling.