Olivia Newton-John, star of Grease, dies aged 73

Pop star best known for her role in the film musical devoted her later life to activism in support of cancer research

• Olivia Newton-John was that rare thing: a wonderfully unselfconscious star
• Share your tributes here

Olivia Newton-John, the musical star who found enduring fame for her leading role in the film Grease, has died aged 73. The news was confirmed by her husband.

In a statement posted on social media, Olivia Newton-John's widower John Easterling said: Dame Olivia Newton-John (73) passed away peacefully at her Ranch in Southern California this morning, surrounded by family and friends. We ask that everyone please respect the family's privacy during this very difficult time.