KHolmes072308_01_X17.jpgKatie Holmes KHolmes072308_02_X17.jpg Katie Holmes' big Broadway debut may be creeping closer by the day - but the actress certainly isn't letting her nerves interfere her manners!

We caught Katie making a very polite exit from the Debbie Allen Dance Studio yesterday evening, shaking the hands of both the choreographer and even the studio's receptionist before beating a hasty retreat. Isn't she a sweetheart?