1. Wear clothes that impress.
“I like to say that every day is showtime,” says Los Angeles public relations guru Harris Shepard. Bosses we spoke with around the country agree: The trend is to look “pulled together” (a phrase that came up again and again). Choose the more tailored option—the pants, not the capris; the shirtdress, not the sundress. A no-fail rule from designer Liz Lange: “Dress like the women execs at your company.” And if they wear hose, so should you (sorry!).