Here's why:
* Gigi's Stage History: The musical "Gigi" premiered on Broadway in 1958, and Hepburn was already a major film star by then. She was never known for her stage work.
* Hepburn's Career: While Hepburn did perform in theater early in her career, it was in Europe, not in Baltimore. She was primarily known for her iconic roles in classic films.
It's possible you might be thinking of a different production or a different actress. Can you provide any more details?