By Jene Luciani for Shape.com
When the thought of spending 30 minutes on a treadmill is about as appealing as a root canal, it's time to shake up that boring workout routine. And the perfect way to shake it up is to do just that -- shake it (it being your booty, your moneymaker, what your mama gave you, or whatever you prefer to call it)!
Celebrities get sick of the same old sweat routine just like the rest of us. Here, we show you 20 stars that plié, Zumba and plain old dance their way to fitness.