Musicals are now making a comeback with contemporary film works such as "La La Land" and "The Greatest Showman," but as much as the dance scenes in these works are impressive, there is not one that can compare with those in older films that will never be forgotten. After all, who hasn’t heard of cult films like Dirty Dancing or Grease and broken out in moves like Johnny and Baby or Danny and Sandy during the end credits. Want to reminisce and watch those unforgettable movements? Here are the 12 most memorable dance scenes from nostalgic and beloved Hollywood movies.