Day-to-Night Accessory Guide

For the days you need to go from day to evening, Joe says a few accessories can create a glamorous look in just minutes. "We started with the wide corset belt," he says. "Just put that on a simple sweater, [or] you can put it on a dress."

Other accessories to keep in your desk drawer? A statement necklace, a colored shoe and a clutch.

Dress: Theory, Macy's; jacket: Rachel by Rachel Roy, Macy's; necklace: Macy's; shoes: BCBG Generation Anemone in oxblood red suede, Zappos.com; purse: Alfani, Macy's