What is the Aqua Zumba? And what exactly is the Zumbatomic? Find out the different dance styles of the one dance that has an estimated of 12 million fans in the world.

An estimated 12 million people are dancing to Zumba, and Zumba founder Beto Perez (in photo above) has his sights set on more -- more music deals with such artists as Pitbull, Wyclef Jean, and Don Omar, and more styles for Zumba fans to choose from in the future.