Special FeaturesTHE SCREENING ROOM: Julie Andrews, Audra McDonald, Kristin Chenoweth and More Sing "I Could Have Danced All Night" (Video)The original Broadway production of the Tony Award-winning musical My Fair Lady opened March 15, 1956. In celebration of the production, Playbill.com has put together various versions of "I Could Have Danced All Night" from the musical.