Patrick Schwarzenegger follows Arnold Schwarzenegger's footsteps with shirtless body building pic

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Patrick Schwarzenegger, Arnold Schwarzenegger's son with his ex-wife Maria Shriver, is following in his father's famous muscle man footsteps. At least it appears that way by looking at a a ripped, flexing, shirtless photo on Pat's Twitter page.

Patrick tweeted the photo of himself in a what appears to be a home gym, along with the caption, "Early morning pump! Who is getting into shape for summer??!! Gonna gain 7 pounds this summer." Schwarzenegger's trainer earlier tweeted a photo with Pat at the gym, to which Arnold's son replied, "we gettin big! Or bigger..."

The college student and actor who was rumored at one time to be dating country cutie Taylor Swift -- never mind the fact she was together with his cousin Conor Kennedy -- has another summer plan that mirrors his father's past. The 19-year-old will shoot his second film, "Dear Eleanor," in Denver, Colo.

Pat's dad Arnold is a seven-time Mr. Olympia, who went on to  a long and storied acting career before becoming governor of California, and then eventually returning to acting.
Photo/Video credit: Twitter