Live Like A Star

The perfect host should not neglect that most essential of places—the powder room. "Remember to check the condition of the bathroom several times during the evening," writes Cowie. "It's essential that you keep it clean all night long, and that there be extra hand towels, extra tissues, extra soap, extra everything!"

Portions adapted from Colin Cowie Chic: The Guide to Life As It Should Be ($20; amazon.com). To be published by Clarkson Potter/Publishers, and available in stores and online December 31, 2007.