United Kingdom, July 10 -- Didi Conn invited John Travolta to a screening of Grease in memory of Dame Olivia Newton-John.

The 73-year-old actress played Frenchy in the 1978 classic, and after Dame Olivia - who starred as Sandy in the film - passed away in 2022 following a long battle with cancer, she was hosting a sing-along at the Hollywood Bowl and managed to get the movie's leading man to attend.

She told PEOPLE: "I was the host.

"I invited the T-Birds to be a part of it."

"What's so great about the sing-along, first of all, that it's in the Hollywood Bowl, which is an amazing venue. To see that movie outdoors in that humongous screen for 18,000 people. everybody's dressed up.

Why don't you ever invite me?

"I said, 'I always invi...