With the release of her new single "Dance Again," Jennifer Lopez is showing her American Idol contestants how it’s done! The Idol judge and pop star premiered her latest song this morning on Ryan Seacrest‘s radio show.

Source: http://www.ivillage.com/jennifer-lopezs-new-single-dance-again-it/1-a-440240?dst=iv%3AiVillage%3Ajennifer-lopezs-new-single-dance-again-it-440240

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