1980s pop goddess Olivia Newton-John dies at 73

Olivia Newton-John, one of the biggest pop stars of the 1970s and early 1980s, has died at the age of 73.

She died on Monday at their farm in Southern California, according to her husband, John Easterling, in a post on her official Facebook page.

"Olivia has been a symbol of victory and hope for more than 30 years sharing her journey with breast cancer," it reads in part.

In the 1978 film musical Grease, Newton-John starred as good girl Sandy Olsen who falls for a bad boy played by John Travolta, who also played the role on Broadway.

He worked hard to make his film debut for Newton-John as his costar.

"I wanted this girl bad," Travolta told Merv Griffin on TV in 1981. "Perfect Sandy, the ultimate Sandy, would be Olivia Newton-John."

But the 28-year-old Australian singer was skeptical of playing a high school student.

Newton-John was born in 1948 in England. She grew up in Australia, and began her acting career as a teenager.

A regular on local radio and TV shows, she won a talent contest and appeared in the U.S. Recorded country-pop songs in