Arnold Schwarzenegger‘s son Joseph Baena shows off his chiseled body after a gym session in Venice and the 21-year-old looks just like his dad!

The young man looks uncannily like Arnold after hitting the gym for a 2-hour workout.

He was dressed in a tank top honoring his famous dad with the former Mr. Universe depicted in the center and ‘Arnold Schwarzenegger Classic’ written around.

Joseph is the love child of Schwarzenegger after the former governor of California had an affair with his housekeeper, Mildred Baena, while married to Maria Shriver.

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Thereโ€™s a rumor going round!

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He was kept a secret until Maria is said to have noticed the resemblance between Arnold and Joseph and confronted her employee who finally revealed the truth.

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Arnold and Joseph have build a relationship since with Schwarzenegger teaching him the ropes at the gym and becoming his ‘best training partner in the world’.

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The hard work at the gym is clearly evident by Joseph’s impressive physique but he’s got big shoes to fill — Arnie was crowned Mr. Universe by the time he was 20-years-old (he would win an additional 4 times) and won Mr. Olympia a whopping seven times.

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