"My dearest Olivia, you made all of our lives so much better," he captioned a throwback photo of Newton-John. "Your impact was incredible. I love you so much. We will see you down the road and we ...

Singer and actress Olivia Newton-John ... In her later years, Newton-John was as known for her work as she was for her illness and her advocacy. In 2000, she sat down to talk about her breast ...