Grease star Olivia Newton-John has taken her final bow in life as she has passed away. The singer and actress was 73. According to TMZ, she died peacefully in her home this morning. Her husband, John Easterling confirmed this information. It is rumored that the star, who played Sandy in Grease, succumbed to metastatic breast cancer. She had been struggling with the illness for three decades and it seemed she just could not take it anymore. She leaves behind her husband of fourteen years, her daughter, Chloe Rose, and a plethora of amazing music meant to be sung out loud. Our thoughts and prayers are with all who knew and loved her.