The Kiss Kiss hitmaker...
The singer was spotted chatting to Lil Wayne, who puffed on a cigar, before taking to the dance floor to show off his moves and strip off his shirt. Rappers Roscoe Dash and Trina also showed up for the bash.
Brown was then presented with a birthday cake, which was decorated with a picture of his face, his initials and the name of his latest album, F.A.M.E.
The star then jetted into Las Vegas, Nevada for a second party the following night (07May11).