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Robert Arthur Kardashian (born March 17, 1987) is an American television personality and actor. He is known for appearing on Keeping Up with the Kardashians, a reality television series that centers on his family, as well as its spin-offs. In 2011, Kardashian also competed in the thirteenth season of ABC's Dancing with the Stars, during which he placed second. He is the fourth and youngest child and the only son of Robert Kardashian and Kris Jenner.