The American American RnB superstar Chris Brown celebrated his 24th birthday on Friday night at the Emerson nightclub in LA. A lot of his close friends were there to celebrate his birthday with him. Everybody was surprise when Chris Brown appeared with his Former girlfriend Karrueche Tran instead of Rihanna, sparking rumors that there might be problem between the two love birds once again.

It looks like the drama between this two is not over yet.