Article continues below advertisementAnita GilletteSource: MEGAJohn Travolta and Anita Gillette worked together in a 1976 stage production of a William Inge play.In 1976, John Travolta was linked to Anita Gillette while they were working together on William Inge's Bus Stop. They never addressed the speculations surrounding their alleged romantic relationship.Article continues below advertisementDiana HylandSource: MEGADiana Hyland died in 1977.After starring in the film The Boy in the Plastic Bubble, Travolta started dating his costar Diana Hyland despite their huge age gap.