The Hart Serena training app officially launched by Kevin Hart and Serena Williams with the Nike+ Training club app is a fifteen minutes partner workout/exercise routine.

Wanna look more like Serena, Hart, and me? Lol… Then Click Here now to download the app now from the mobile stores.

I’m off with it… Workout never stops. Just 15 minutes, no excuses… Get fit, and Get in shape.

 

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