Olivia Newton-John died on August 8 at age 73 after a battle with breast cancer. The British born Australian star shot to fame in “Grease” opposite John Travolta in 1978. A four-time Grammy winner, Newton-John won Record of the Year for “I Honestly Love You” and “Physical,” as well as “Grease” song “You’re the One That I Want,” which still ranks as one of the bestselling singles of all time. Newton-John’s husband John Easterling confirmed her passing on Facebook. “Dame Olivia Newton-John (73) passed away peacefully at her Ranch in Southern California this morning, surrounded by family and friends,” Easterling wrote.