K-Ci an JoJo is an American R&B duo, consisting of brothers Cedric "K-Ci" Hailey born September 2, 1969 and Joel "Jo-Jo" Hailey born June 10, 1971. Natives of Charlotte, North Carolina, they were also members of the chart-topping R&B group Jodeci with the DeGrate brothers—DeVante and Dalvin.