Look at him now: Chris Brown winning as rapper (AP)

FILE - In this July 15, 2011 file photo, singer Chris Brown performs on NBC's Today Show in New York. With his hit single “Look at Me Now,â€? Brown has dominated more than just the R&B territory: The track was Billboard's No. 1 rap song of 2011 and it's nominated for two Grammys — in the rap category. (AP Photo/Charles Sykes, file)AP – Chris Brown is known pop singer, a slick bedroom crooner and at other times, a Euro-flavored dance singer. But it’s his rapping that has taken his career to new heights.