Newton-John wore her signature yellow skirt and matching cardigan, complete with the white button up. Travolta wore a conventional leather jacket, along with his hair slicked lower back.
It was the primary time the 2 had been in costume on the grounds that they first made the movie more than 40 years in the past, Newton-John wrote on Instagram at the time.
In his tribute, Travolta delivered, "we are able to see you down the road and we will all be collectively once more."