3. Jessica Alba Crossfit Workout

You've heard about CrossFit before. It's pretty intense, but the moves in this video doesn't require any equipment, so you might as well try it. It can't hurt! If you're a beginner, just stick to watching the woman on the right, because she'll show you how to do the easiest version of each workout. Once you're able to handle level one, you can move on to following the woman on the middle, and then the woman on the left.

Selena Gomez Ab Workout
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