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Paramount/Rso/Kobal/REX/Shutterstock

Here, some of their cutest moments sinceGreasewas the word.
02of 14Olivia Newton John/InstagramThey’re back! Newton-John and Travoltadressed up as Sandy and Danny in December 2019for the Meet n’Greasesing-along event at the Coral Sky Amphitheater in West Palm Beach, Florida.According to Newton-John’s Instagram, it was their first time in costume since they filmedGreaseback in 1977.
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Olivia Newton John/Instagram

They’re back! Newton-John and Travoltadressed up as Sandy and Danny in December 2019for the Meet n’Greasesing-along event at the Coral Sky Amphitheater in West Palm Beach, Florida.According to Newton-John’s Instagram, it was their first time in costume since they filmedGreaseback in 1977.
03of 14AM/SplashNews.comAt the Meet n’Greasesing-along event, the pair — clad in coordinating leather jackets — answered questions from the audience, along withGreasedirector Randal Kleiser.
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AM/SplashNews.com

At the Meet n’Greasesing-along event, the pair — clad in coordinating leather jackets — answered questions from the audience, along withGreasedirector Randal Kleiser.
04of 14Jon Kopaloff/FilmMagicIn August 2018, the pair got their hips moving at The Academy PresentsGrease40th Anniversary event at the Samuel Goldwyn Theater in Beverly Hills.
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Jon Kopaloff/FilmMagic

In August 2018, the pair got their hips moving at The Academy PresentsGrease40th Anniversary event at the Samuel Goldwyn Theater in Beverly Hills.
05of 14Michael Buckner/ShutterstockIn January of that year, they snuggled up for a photo at the G’Day USA Blake Tie Gala in L.A.
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Michael Buckner/Shutterstock

In January of that year, they snuggled up for a photo at the G’Day USA Blake Tie Gala in L.A.
06of 14Mike Coppola/GettyIn 2012, Travolta and Newton-John visited the SiriusXM studios in New York City for a December town hall.
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Mike Coppola/Getty

In 2012, Travolta and Newton-John visited the SiriusXM studios in New York City for a December town hall.
07of 14VevoTheir 2012 holiday duet “I Think You Might Like It,” off their albumThis Christmas,gave the Internet a lot of feelings— but fans a lot of fuel, too.
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Vevo

Their 2012 holiday duet “I Think You Might Like It,” off their albumThis Christmas,gave the Internet a lot of feelings— but fans a lot of fuel, too.
08of 14Charley Gallay/WireImageAlways up for an Aussie party, Travolta joined Newton-John at the January 2012 Qantas Airways Spirit of Australia Party at the Hollywood Roosevelt Hotel.
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Charley Gallay/WireImage

Always up for an Aussie party, Travolta joined Newton-John at the January 2012 Qantas Airways Spirit of Australia Party at the Hollywood Roosevelt Hotel.
09of 14Valerie Macon/Getty ImagesSparkling on the red carpet at the 2010 Australia Week Black Tie Gala in L.A.
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Valerie Macon/Getty Images

Sparkling on the red carpet at the 2010 Australia Week Black Tie Gala in L.A.
10of 14Jon Kopaloff/FilmMagicIn 2008, they went black and white for the G’Day USA Australia.com Black Tie Gala in Hollywood.
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In 2008, they went black and white for the G’Day USA Australia.com Black Tie Gala in Hollywood.
11of 14John Travolta and Olivia Newton-John in 2006.SGranitz/WireImageAnother year, another G’Day L.A. bash for the pair, here at the 2006 Penfolds Icon gala dinner in L.A.
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John Travolta and Olivia Newton-John in 2006.SGranitz/WireImage

Another year, another G’Day L.A. bash for the pair, here at the 2006 Penfolds Icon gala dinner in L.A.
12of 14Kevin Winter/Getty ImagesThe pair smiled for the camera in October 2002 at the One World, One Child Benefit Concert in Beverly Hills.
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Kevin Winter/Getty Images

The pair smiled for the camera in October 2002 at the One World, One Child Benefit Concert in Beverly Hills.
13of 14SGranitz/WireImageThe two hit the stage in an undated performance shot.
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SGranitz/WireImage

The two hit the stage in an undated performance shot.
14of 14Jim Smeal/Ron Galella Collection via Getty ImagesThe stars hardly look a day older than Sandy and Danny in this undated snap.
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Jim Smeal/Ron Galella Collection via Getty Images

The stars hardly look a day older than Sandy and Danny in this undated snap.
source: people.com