Popsugar Celebrity Olivia Newton-John John Travolta Olivia Newton John at Grease Event August 2018 John Travolta and Olivia Newton John Recreate Their Grease Dance Moves on the Red Carpet 17 August 2018 by Quinn Keaney View On One Page Photo 12 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 12 Previous Next Start Slideshow Olivia Newton-JohnCelebrity FriendshipsNostalgiaGreaseJohn Travolta