High Quality Content by WIKIPEDIA articles! K-Ci JoJo are an American R B duo, consisting of brothers Cedric "K-Ci" Hailey (born September 2, 1969) and Joel "JoJo" Hailey (born June 10, 1971), Natives of Monroe, North Carolina, they were also members of the chart-topping R B group Jodeci with the DeGrate brothers—Donald (better known as DeVante Swing) and Dalvin.