Dax Shepard turns 40 today. The actor is best known for his starring role on the NBC family drama Parenthood and his marriage to actress Kristen Bell. Dax has also starred in various comedies over the years, like Baby Mama, Hit and Run, Without a Paddle and the recent This is Where I Leave You, where Dax shows his butt. Dax first showed his butt on film in the 2010 mockumentary, Brother’s Justice, which he wrote and co-directed. The film centers on Dax attempting to leave comedy in order to become a martial arts action star. Dax’s big day is the perfect time to revisit the film and Dax’s skin scenes.
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