I kind of think of them as that was then, they’re forever and so like that."
Travolta posted a photo of Newton-John toInstagramalong with a heartfelt caption.
“My dearest Olivia, you made all of our lives so much better.

Your impact was incredible.
I love you so much.
We will see you down the road and we will all be together again.

Yours from the first moment I saw you and forever!”
He signed it as “your Danny, your John.”
Over the years, Newton-John and Travolta remained friends, and “Grease” has remained a fan favorite.

“We did something life-changing, making that film,” Newton-John toldPeoplein 2018.
“[At the premiere] you got the feeling from the energy that something was happening.
It was a huge response.
I feel grateful to be a part of that and to have worked with him.
We’ve stayed friends ever since.”
“[In tough times] John always reaches out to me,” she said.
I’ve been through her having a child, getting divorced, losing her sister.
She’s been through my getting married, having children.
It’s wonderful and full of shared memories."