Olivia Newton-John died Monday at the age of 73 at her ranch in Southern California while surrounded by family and friends Shafiq Najib is a former writer ... musical film Grease are mourning ...

"I don't know if I've known a lovelier human being," Stockard Channing tells PEOPLE in a statement following the death of her late Grease costar Olivia Newton-John Shafiq Najib is a former writer ...