Fred Astaire & Rita Hayworth - You Were Never Lovelier = Dancing & Singing The Shorty George 1942 (40S06)

Rita Hayworth as Maria Acuña and Fred Astaire as Robert Davismade did this memorable dance routine in You Were Never Lovelier. The scene was set in Buenos Aires with Xavier Cugat & Orchestra to give this musical a Latin touch. You Were Never Lovelier is about George "Shorty" Snowden who was a dancing sensation in Harlem during the twenties en thirties.
 
There are many movies about duos and dancing. What's your favorite dancing couple in movies?