According to an Instagram post shared by her family, Olivia Newton-John died "peacefully at her Ranch in Southern California this morning, surrounded by family and friends"
Top successes by the Australian singer include "Physical" and "You're the One That I Want”
In the legendary movie "Grease," Newton-John co-starred with John Travolta in the title role.
'Grease' star Olivia Newton-John battled breast cancer for 30 years
Newton-John was diagnosed with cancer multiple times
In 2008, Newton-John wed John Easterling in a traditional Incan ceremony atop a mountain in Peru.
On June 30, they were married on Jupiter Island's seashore as they made their way back to Florida.
Days before her death, Lattanzi posted a picture with her mother and wrote, "I worship this woman. My mother. My best friend.”
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