Olivia Newton-John’s Update on John Travolta After Kelly Preston’s Death, Plus: Her Cancer Research Foundation

Actress Olivia Newton-John, 72, knows what it is like to live with stage 4 breast cancer.

The “Grease” star was first diagnosed with the disease in 1992. “Extra’s” Renee Bargh spoke with Olivia, who opened up about the recent death of co-star John Travolta’s wife Kelly Preston, her dear friend.

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