Singing along to "Beauty School Dropout" is reason enough for all you beauty gurus to watch Grease. In addition to watching this legendary musical and seeing Sandy and Danny fall in love in the '50s for the millionth time, you should re-watch this movie for its beauty and style trends that have somehow stood the test of time.
Need somewhere to start? Focus on Sandy and Frenchie's wardrobes and makeup looks, they are polar opposite, and yet, on screen they work seamlessly together.