July 8th, 2013
05:51 PM ET
Henry Cavill and Chris Hemsworth aren't the only ones who can sculpt superhero muscles.
Chris Pratt, who already leaned out and toned up for 2012's "Zero Dark Thirty," has been on a mission to get in even better shape for the upcoming "Guardians of the Galaxy."
"No beer for six months," Pratt tweeted July 7, along with photographic evidence of his super-cut abs.
The 34-year-old actor admitted that it was "Kinda d****ey to post this," but in his defense, "my brother made me."
Pratt, who welcomed his first child with wife Anna Faris last August, has signed on to play the Star Lord, the part-human, part-alien leader of the movie's bio-engineered team.
"Guardians of the Galaxy," directed by James Gunn, is slated for an August 1, 2014 release.
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