Shawn Corey Carter (born December 4, 1969), better known by his stage name Jay-Z, is an American rapper and businessman. He is one of the most financially successful hip hop artists and entrepreneurs in America,[2] having a net worth of over USD$150 million, selling over 30 million copies of his albums in the United States alone and receiving several Grammy Awards for his musical work. Jay-Z co-owns The 40/40 Club and the NBA's New Jersey Nets and is also the creator of the clothing line Rocawear. He is the former CEO of Def Jam Recordings, one of the three founders of Roc-A-Fella Records and recently, the founder of his new venture Roc Nation. As an artist he holds the record for most number one albums by a solo artist on the Billboard 200. Jay-Z also has had 4 number ones on the Billboard Hot 100, one as lead artist. ("Heartbreaker" with Mariah Carey, "Crazy in Love" with Beyonce, "Umbrella" with Rihanna and "Empire State of Mind" featuring Alicia Keys.) Along with his financial and musical success, Jay-Z is known for the feud between him and fellow New York rapper Nas, which was eventually settled in 2005. He married American R&B star Beyoncé Knowles on April 4, 2008.