Star Bodies: Which Sister Does Rob Kardashian Exercise With?

Rob Kardashian has plans to get his bod back into serious shape. The celeb, who has made headlines for his recent weight gain, is living a healthy lifestyle and is working on losing the lbs.! Just this past weekend, the reality TV star traveled to Las Vegas to celebrate Scott Disick's birthday, but he wasn't planning on indulging in alcohol. Sure, cocktails are definitely be yummy, but some of them score super high on the calorie scale. So who is Rob's workout buddy? That would be Khloe Kardashian. They've been seen exercising together! 

How are you getting in shape for summer? Tweet @OKMagazine and leave a comment below.

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