I agree with most of the above, am very surprised that nobody has mentioned the wonderfully talented Laura Michelle Kelly... She has a big future ahead of her. Obviously Scarlett is another great Mary, I also thought her sister Summer was absolutely amazing in the Drowsy Chaperone.
Why, hello Margaret! Yes darling, half past five. Well, everyone, simply le tout Park Avenue and la creme de Hyannis! Well, the press table's going to be awfully crowded... but if you don't mind sharing a folding chair with Harper's Bazaar... Sing? Me? Heavens no, it's Edie's day, not mine... Although people can be so insistent, and I hate to disappoint. Twist my arm, blackmail me, threaten my very life, and who knows? You might get a verse of something...