The girlie classic has grown up: These dramatic pieces can be the crowning glory of any outfit. To change your look, simply slide the bands closer together or farther apart.
Shown: Jennifer Ouellette headband, $79, jenniferouellette.com. Others to try: Looby Lou double-strand satin headband, $9.50, etsy.com. Tortoise headband, $18, jcrew.com.