Britney Spears
attended the opening of the LAX nightclub at the Luxor Hotel and Casino in Las Vegas, Nevada, September 1, 2007. Perhaps buoyed by the huge response to her recently leaked single Gimme More, She looked truly confident to the cameras. It was said she arrived 2 hours late since the ceremony opening and left after few minutes' appearance while bagging in hundreds of dollars. 
Source: Sohu