What pair danced their way into stardom with top hat and flying down to rio?

The pair who danced their way into stardom with top hat and flying down to Rio are Fred Astaire and Ginger Rogers.

They were famous for their elegant and sophisticated dance routines, often incorporating a top hat and tails for Fred, and elegant gowns for Ginger. They starred in a number of films together, including "Top Hat" and "Flying Down to Rio."