Maybe it's just my imagination, but isn't that hostess at the beginning the same actress that was later Aunt Harriet or whoever on the Batman television series?
Rooster, I'll add my recommendation to the others. Admittedly, I like the old musicals, but this is, if not THE best, definitely near the top of the list! (And yes, Cyd Charrise is worth the price of admission, even if she's only in one number!)