![American actor John Travolta 1978 and Australian actress singer Olivia Newton John from the film Grease walk through park holding hands Stock Photo - Alamy American actor John Travolta 1978 and Australian actress singer Olivia Newton John from the film Grease walk through park holding hands Stock Photo - Alamy](https://c8.alamy.com/comp/B4HWYP/american-actor-john-travolta-1978-and-australian-actress-singer-olivia-B4HWYP.jpg)
American actor John Travolta 1978 and Australian actress singer Olivia Newton John from the film Grease walk through park holding hands Stock Photo - Alamy
![John Travolta's Most Memorable Onscreen Hairdos (and Don'ts), From 'Grease' to 'The Fanatic' (Photos) John Travolta's Most Memorable Onscreen Hairdos (and Don'ts), From 'Grease' to 'The Fanatic' (Photos)](https://www.thewrap.com/wp-content/uploads/2019/08/ohn.gif)
John Travolta's Most Memorable Onscreen Hairdos (and Don'ts), From 'Grease' to 'The Fanatic' (Photos)
![All about John Travolta and Olivia Newton-John's reunion: 'Grease is still the word' - Good Morning America All about John Travolta and Olivia Newton-John's reunion: 'Grease is still the word' - Good Morning America](https://s.abcnews.com/images/GMA/grease-1-ht-er-191216_hpMain_4x3_608.jpg)
All about John Travolta and Olivia Newton-John's reunion: 'Grease is still the word' - Good Morning America
![John Travolta's Most Memorable Onscreen Hairdos (and Don'ts), From 'Grease' to 'The Fanatic' (Photos) John Travolta's Most Memorable Onscreen Hairdos (and Don'ts), From 'Grease' to 'The Fanatic' (Photos)](https://www.thewrap.com/wp-content/uploads/2019/08/taying.gif)
John Travolta's Most Memorable Onscreen Hairdos (and Don'ts), From 'Grease' to 'The Fanatic' (Photos)
![1978 Chritine George(hair by) - John Travolta as Danny in Grease | John travolta, Grease movie, Grease john travolta 1978 Chritine George(hair by) - John Travolta as Danny in Grease | John travolta, Grease movie, Grease john travolta](https://i.pinimg.com/736x/96/e8/1a/96e81aa610d24f7e59fcf9b6cb42d590.jpg)