John Travolta in ‘Grease.’ Paramount Pictures/courtesy Everett Collection. Travolta starred in 1978’s Grease as Danny Zuko, a greaser who learns his summer fling, Sandy Olsen, moved to town ...

After starring in Grease, Travolta and Newton-John stayed close until her death in 2022.The actress died that August at the age of 73. “My dearest Olivia, you made all of our lives so much ...