3. Shawn “Jay Z” Carter – Net Worth: $550 Million

Jay-Z had originally retired in 2003 from recording his own music, although this lasted only three years. Not content with being one of the most influential rappers ever Carter has a fine eye for business. He sold clothing line Rocawear for $204 million in 2007 and signed a $150 million collaboration with Live Nation in 2008 through his Roc Nation entertainment company. Furthermore he is a fully-qualified sports agent under the sports branch of Roc Nation (Roc Nation Sports). He is minority owner of NBA’s Brooklyn Nets.