Olivia Newton-John death: James Gunn and Nigella Lawson among stars to pay tribute to Grease icon

James Gunn and Nigella Lawson are among the stars who have paid tribute to Grease icon Olivia Newton-John, after the actor died aged 73 from cancer.

“Really sad to hear about the passing of Olivia Newton-John,” posted Guardians of the Galaxy director James Gunn.

Newton-John is survived by her husband John Easterling, daughter Chloe Lattanzi, sister Sarah Newton-John and brother Toby Newton-John.