WORLD NEWS: John Travolta praises ‘Grease’ co-star Olivia Newton-John amid her cancer battle: ‘I’m very proud of her’

"John Travolta praises ‘Grease’ co-star Olivia Newton-John amid her cancer battle: ‘I’m very proud of her’ John Travolta is sending love to his longtime pal Olivia Newton-John in the midst of her harrowing battle with stage 4 breast cancer. Entertainment" Via FOX NEWS To WORLD NEWS