K-Ci & JoJo is an American R&B duo, consisting of brothers Cedric "K-Ci" Hailey and Joel "JoJo" Hailey. Natives of Charlotte, North Carolina, they are also the lead singers of the chart-topping R&B group Jodeci with the DeGrate brothers—Donald and Mr. Dalvin. They are best known for their 1998 single "All My Life" which peaked atop the Billboard Hot 100 for three weeks and received three Grammy Award nominations. They also appeared on the Tupac Shakur number one multi-platinum song "How Do U Want It" in 1996, which was nominated for Best Rap Performance by a Duo or Group in 1997. From Wikipedia →