'Grease' star Olivia Newton-John passes away at 73

Singer Olivia Newton-John, who gained worldwide fame as high-school sweetheart Sandy in the hit musical movie Grease, died on Monday after a 30-year battle with cancer. She was 73. Newton-John “passed away peacefully at her ranch in Southern California this morning, surrounded by family and friends,” said a statement from her husband, John Easterling, posted on her official social media accounts. The multiple Grammy-winning entertainer, whose career spanned more than five decades, including chart-topping songs such as Physical, devoted much of her time in later years to charities after first being diagnosed with breast cancer in 1992. The British-born and Australian-raised star dedicated