It has been 34 years since they had had the world singing and dancing when they starred in musical Grease, but the latest musical offering from Olivia Newton-John and John Travolta's has been panned as "cheesy" and "awful".
The Australian singer and actress, now aged 58 and 70's American heartthrob Travolta, now aged 64, have released a country-themed Christmas song 'I Think You Might Like it' from their album 'This Christmas', where they bust out some of their moves from the film.
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Profits from the album are to be donated to charities, including the Jett Travolta Foundation in memory of Travolta's son who died in 2009 aged 16 and Newton-John's Cancer and Wellness Foundation.
A video for the song shows the pair watching television in matching red sweaters, tapping their toes and reenacting famous parts from their first movie together, including driving away together in a T-Bird convertible.
The video also stars Trvolta's wife Kelly Preston, daughter Ella Bleu and baby Benjamin.
The project has been panned by internet users worldwide who have criticised the "cheesy" song and accompanying video.
"HAHAHAHAHAHAHA!!!!!!!!!!!!!!!! John Travolta and Olivia Newton John Make the Worst Christmas Music Ever," wrote one Twitter user.
"This is the sh*****est thing I've ever heard. Seriously. Your mission? Try listening to it for yourself," said another Twitter user.
Youtube users have also dished out the criticism, calling the video "awful" and "awkward".
British tabloid The Daily Mail has also joined in, labelling the video "cringeworthy" and saying despite the song's title, Grease fans "probably won't" like it.
The pair appeared together on Ellen DeGeneres' talk show to promote the album where Travolta revealed he collects Hot Chocolate because it reminds him of Christmas.
"It represents winter wonderlands, it represents Christmas. I've collected various types of cocoa from around the world," he said.