- Olivia Newton-John, star of Grease, dies aged 73 The Guardian
- John Travolta Remembers Grease Costar Olivia Newton-John: ‘I Love You’ PEOPLE
- ‘Grease’ Star Olivia Newton-John Dies at 73 Years Old Cosmopolitan
- Olivia Newton-John, singer and actress, dead at 73 CNN
- Olivia Newton-John Dead at 73 TMZ
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