She has been working at PEOPLE for 17 years. Singer-songwriter and actress Olivia Newton-John — a four-time Grammy winner and star of beloved movie musical Grease — has died. She was 73.

I will never forget when I read the news that the beloved idol of my youth (and still today as an adult), Olivia Newton-John, ...

John Travolta and Olivia Newton-John reunited in December to reprise their iconic roles for a Grease sing-along in Florida Sandy and Danny forever! Last month, Grease stars John Travolta and ...

A leather jacket worn by Olivia Newton-John in Grease has sold for more than $740,000 at a Beverly Hills auction. The jacket worn by Sandy at the end of the film and the You're the One That I Want ...

“Grease,” with Olivia Newton John (center), began shooting on the Venice High School campus in the summer of 1977. © Paramount Pictures / Everett Collection ...