When you hear Jazzercise you think legwarmers and leotards, right? Or a workout for your Mom but not for you? They admit their workouts got so popular in the '80s that they created a fitness revolution that people still associate with them today. It’s true that they were the original dance party workout. But today the leotards—and the '80s—are long gone and their classes are way too hot for legwarmers. They’re still evolving and transforming people’s bodies and their lives.