Chris Pratt's shirtless Instagram proves he's back in shape for 'Guardians of the Galaxy'

Just last year Chris Pratt was bragging about weighing over 275 pounds for his role in the upcoming comedy "Delivery Man" (formerly "Starbuck"). And before that he was showing Conan O'Brien a shirtless iPhone photo of himself in Navy SEAL shape for the Oscar-winning hit "Zero Dark Thirty."

Now the "Parks and Recreation" co-star is back to being buff for his starring role in the upcoming Marvel sci-fi epic "Guardians of the Galaxy." Check out the photo and winking caption he posted to Instagram:

chris-pratt-shirtless-guardians-of-the-galaxy.jpg

Photo/Video credit: Instagram
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