“The truth is, with so many movies it’s very hard to choose your favourite,” he said.
“But if I had to put one in a capsule, it would be Grease. It’s lasted so many years.
“It’s given me one of the most special friends I’ve ever had in Olivia Newton-John. And just because of the history.
“If it’s led to this, it will lead to the future generations. So I have to pick Grease.”
Their memorabilia has turned out to be equally iconic as the movie-musical, with Newton-John’s famous leather jacket and satin pants she wore in the film selling for more than $US400,000 ($A580,000) at the weekend.