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Chris Pratt

Is that you, Chris Pratt?! Our jaws dropped when we saw how hot the "Parks and Recreation" hunk looked in his Instagram gym selfie while prepping for his role in Marvel's "Guardians of the Galaxy." We're guessing wife Anna Faris doesn't mind either. The only one who isn't a fan of Pratt's ripped physique? His "Parks and Recreation" co-star, Aubrey Plaza, who claims she prefers her on-screen love when he's a bit more plump!

Celebs Sweat It Out at the Gym

Celebrities just love to take pictures of themselves and post them on social media. And there's a certain group that derives pleasure from showing off the results of their hard work at the gym for all the world to see. Check out our gallery of sexy stars getting fit and fabulous — you'll be glad you did!