Jane Seymour hails close friend Olivia Newton-John for ‘changing the world’

Dame Olivia Newton-John (PA)

Dame Olivia Newton-John’s close friend Jane Seymour paid tribute to the Grease star for “changing the world” as she recalled her final days before her death from cancer.

The British-born singer and actress died peacefully at her ranch in Southern California on Monday morning at the age of 73, with her husband John Easterling confirming the news on social media.