That belt loop hip shake from 1978's Grease has surely been replicated countless times in schools, dances, and in front of mirrors.
Wednesday marked 40 years since the film premiered in New York City, and John Travolta just so happened to be on The Tonight Show with Jimmy Fallon, although to promote his upcoming film Gotti.
The shake, which Travolta calls the "four corners," was introduced when Grease's choreographer needed a step at the end of "You're The One That I Want."
Turns out Travolta still has some of those moves, by the way. Read more...More about Entertainment, Movies, John Travolta, Grease, and The Tonight Show With Jimmy Fallon