Olivia Newton-John has died at 73. Her Grease co-star John Travolta remembers her fondly: “My dearest Olivia, you made all of our lives so much better. 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!” Read more tributes to the English-Australian singer and actress at the link in bio. 🎬