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.

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.