LOS ANGELES, CA – SEPTEMBER 24: Actress/Singer Olivia Newton-John, actor Jeff Conway and actor John Travolta from the movie “Grease” attend the Celebration of Paramount Studio’s 90th Anniversary with the release of six all-time musical favorites “Grease”, “Saturday Night Fever”, “Flashdance”, “Footloose”, “Urban Cowboy” and “Staying Alive” on September 22, 2002 at Paramount Studios in Los Angeles, California. (Photo by Jon Kopaloff/Getty Images)
