Hottest Bodies 2014

Check Me Out: Stars' Workout Shots

Fit-spiration! See the shots Joe Manganiello, Jennifer Lopez, the Kardashians and more stars snap between reps


The key to the singer's bikini-ready bod? Dance like no one's watching … and then take a selfie. "Made it through @sensazaocrew class! Super high intensity dance cardio! I feel good!!" Sparks wrote on Instagram of her fancy footwork.