And you loved it so much, you performed it on stage at your school musicals.
Others among you dressed up as the characters for charity days. And some of you held Grease-themed events in the office or the playground.
We are putting the spotlight on the mega film after the news that a Grease prequel could be on the way, starring the Pink Ladies.
In the meantime, see if you can spot someone you know in these local Grease flashback scenes.
1. So cool in 2007
Bless! It's a wonderful scene from the Springboard Nursery in 2007 but can you recognise the young characters from Grease?
2. A Grease lightning trip back to 2007
Becky Davidson and Rick Watson who were the principal characters in the Oxclose School production of Grease 14 years ago. Were you in the cast?
3. It Asda be a hit
Pink power! Staff from Asda in Washington dressed as Pink Ladies in 2005 to back a Tickled Pink charity drive to help in the fight against breast cancer. Pictured are Joan Barraclough, Lynette Walker, Eileen Watson, Wendy Crow, Val Kane and Selina Stone.
4. Hopelessly devoted to these Pennywell memories
Pennywell School pupils in their 1995 musical Grease. Can you spot someone you know?
Photo: Sunderland Echo