After the whole crew pulled up looking ready to party, Ne-Yo hit the stage ... playing some of his most well-known songs for the packed crowd.

Ne-Yo brought all the ladies in his life on a special date night ... bringing out all four of his girlfriends to a club where he performed -- and, engaging ...

C LEVELAND, Ohio - Mary J Blige last performed on the stage of the Rocket Arena a scant six months ago when she was inducted ...