Fred Astaire and Ginger Rogers. Their dance movies are phenomenal :) And to paraphrase a quote from the late Ann Richards - Ginger Rogers did everything Fred Astaire did, but she did it backwards and in high heels.
FRED ASTAIRE Dance legend and Hollywood heavyweight Fred Astaire, one of the first men inducted into the Hall of Fame, made the leap in 1968. Description from pinterest.com. I searched for this on bing.com/images