Watch ‘Movie’ Dance Evolve Over 89 Years [Video]

There have been some awesome videos on You Tube lately about movies, one of the most recent being a montage of the greatest unscripted movie scenes of all time. The below video shows how 'movie' dance has evolved over the last 89 years. To say the stars have "stepped" it up a notch or two would be an understatement. The clip features 'dance' scenes from movies beginning with the 1921 film "The Four Horsemen of the Apocalypse"... all the way to 2010's "Black Swan". sit back and watch the evolution.