40 Most Iconic Movie Moments in Film History

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Sandy's Good-To-Bad Girl Transformation: Grease

Paramount Pictures

Grease is a perfect movie, from the fashion to the songs to the hilarious dialogue. There is no better moment from the 1978 movie than when Olivia Newton-John‘s Sandy appears at the end having totally transformed from a good girl into a bad girl. Danny, played by John Travolta, is completely shocked. And into it. Of course, he is.

They live happily ever after and every new generation of teenage girls swoons. And dresses up like bad gal Sandy for Halloween. It's a thing.