The entertainment industry has been left heartbroken following the death of Aussie icon Olivia Newton-John. The actress, singer and songwriter passed away peacefully at her ranch in California, following a decades-long battle with breast cancer, her husband John Easterling confirmed. Her Grease co-star and good friend John Travolta led the celebrity tributes on Instagram, writing, "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!" https://au.lifestyle.yahoo.com/john-travolta-leads-star-tributes-to-olivia-newton-john-i-love-you-214705252.html Thumbnail image via Getty.