Grammy-winning singer and actress Olivia Newton-John, best known for playing goody two-shoes Sandy in “Grease,” died following a long battle with breast cancer at 73 on Monday. 

From 2019…

John Travolta honored his “Grease” costar on social media, appreciating her legacy. 

“My dearest Olivia, you made all of our lives so much better,” Travolta wrote in an Instagram post. “Your impact was incredible. I love you so much. We will see you down the road and we will all be together again. Yours from the first moment I saw you and forever! Your Danny, your John!”

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