Olivia Newton-John, Pop Singer and ‘Grease’ Star, Dies at 73. https://www.msn.com/en-us/entertainment/news/olivia-newton-john-pop-singer-and-grease-star-dies-at-73/ar-AA10rFXb?ocid=msedgntp&cvid=0e2be38e3f534aa8b2f53fc915ed47c7 GO4AWILDRIDE