Grease Icon Olivia Newton-John Dead At 73

John Travolta Mourns the Death of ‘Dearest’ Olivia Newton-John: ‘Yours From the Moment I Saw You’

John Travolta Reacts to Olivia Newton-John's Death: 'Your Danny'

John Travolta Releases Statement After 'Grease' Co-Star Olivia Newton-John's Death