Did John Travolta and Olivia Newton have an affair or did she get pregnant while filming Grease?

There is no evidence to support claims that John Travolta and Olivia Newton-John had an affair or that she became pregnant while filming Grease.

Both actors were in committed relationships at the time, with Travolta dating Diana Hyland and Newton-John dating Matt Lattanzi.

The rumours likely stemmed from the intense on-screen chemistry they shared in the movie, which fueled speculation among fans. However, both actors have consistently denied any romantic involvement beyond their professional relationship.