LOS ANGELES – JUNE 16: The movie "Grease", directed by Randal Kleiser. Seen here at the drive-in (from left) Olivia Newton-John as Sandy and John Travolta as Danny Zuko. Initial theatrical release of the film, June 16, 1978. Screen capture. Paramount Pictures. (Photo by CBS via Getty Images)
John Travolta during John Travolta Sighting Returning from New York Athletic Club – December 15, 1978 at Waldorf Towers in New York City, New York, United States. (Photo by Ron Galella/Ron Galella Collection via Getty Images)
