Omari Ishmael Grandberry (born November 12, 1984), known as Omarion, is an American R&B singer, songwriter, dancer and actor. He rose to fame in the as lead singer of R&B group B2K. Managed by Christopher B. Stokes, the group achieved success with hits like "Bump, Bump, Bump". After the group's disbandment, Omarion released his debut solo album O. The album debuted at #1 on the Billboard 200 spawning two hits, "O" and "Touch".