Phillip Phillips Teaming Up With ... Lil Jon?!

Phillip Phillips Teaming Up With ... Lil Jon?!

Though they make an unlikely pair, American Idol season 11 champ Phillip Phillips is teaming up with rapper Lil Jon for a great cause -- Zumba Fitness' The Great Calorie Drive.

The Great Calorie Drive is an initiative that allows anyone to "check in" to their local Zumba class and donate the calories they burn to Feeding America and the World Food Programme. Each class equates to 750 calories, or one meal for a person in need.

Pics: Star Sightings

To get started, all you need to do is download the free Zumba Fitness mobile app on your smartphone (iPhone or Android), which will allow you to find local classes where you can “check in” and start burning/donating calories.

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Click ETonline's exclusive video to check out the initiative's informative PSA featuring Phillips and Lil Jon, and click here for more information.