Jay Z is an American rapper, music mogul, and entrepreneur who is married to singer Beyonce. He has a daughter named Blue Ivy. Considered one of the hardest working musicians in the industry, Jay Z is one of the most successful rappers and musicians in the world, and is worth an estimated $250 million. He has sold over 100 million records and amassed over 21 Grammy Awards during his career. Three of his albums, Reasonable Doubt, The Blueprint, and The Black Album are on Rolling Stone‘s list of the 500 greatest albums of all time. He also holds the record for the most albums on the Billboard 200, 13 albums. As an entrepreneur, Jay Z co-owns the nightclub 40/40 Club, and also owns the clothing line Rocawear, among other financial interests.