I Could Have Danced All Night

The song is sung by the play's heroine, Eliza Doolittle, expressing her exhilaration and excitement after an impromptu dance with her tutor Henry Higgins.
It was first performed by Julie Andrews, in the original Broadway production of My Fair Lady. In the 1964 film adaptation of the musical, the song was sung by Marni Nixon, dubbing the singing voice of Eliza Doolittle (who was played by Audrey Hepburn).
Hit versions of the song were recorded by Sylvia Syms, Dinah Shore, Frank Sinatra, Rosemary Clooney and Jamie Cullum.It was featured in The Birdcage sung by Nathan Lane, Hank Azaria, Gene Hackman, Robin Williams and Dianne Wiest.