50 Cent is a rapper.
Curtis James Jackson III ( born July 6 , 1975 ) , known professionally as 50 Cent , is an American rapper , actor , businessman , and investor . 50 Cent was ranked the sixth-best artist of the 2000s and the third-best rapper ( behind Eminem and Nelly ) by Billboard . The Massacre is the second studio album by American rapper 50 Cent .