In contrast to certain other forms of fitness-think treadmill running-dance is a joyous, celebratory way of burning calories, strengthening muscles, and enhancing flexibility. The Bellytwins, Neena and Veena, have been proselytizing this message for years. The identical twins, who go by their first names only, are experts in bellydance and have trained extensively in traditional forms of dance from India and the Middle East. The sisters have helped to popularize these artforms through classes and a series of videos and DVDs.