Didi Conn and Olivia Newton-John stayed "very good friends" long after Grease. Speaking to The Times newspaper, Didi said: "We lived very close to each other in Malibu. Newton-John passed away at the age of 73 in 2022 from breast cancer complications and Didi explained that her co-star will always have a place in her "heart". Didi explained last month that the surviving cast members are all still close, mirroring the movie's closing song We Go Together. She told People magazine: "And honestly, at the end when we say we'll always be together, we still are.