LAS VEGAS – SEPTEMBER 08: Rapper P. Diddy and Singer Cassie pose for photos at Cassie’s 21st Birthday at Jet Nightclub at The Mirage Hotel and Casino on September 08, 2007 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage for Jet Nightclub)
LAS VEGAS – SEPTEMBER 08: Rapper P. Diddy and Singer Cassie pose for photos at Cassie’s 21st Birthday at Jet Nightclub at The Mirage Hotel and Casino on September 08, 2007 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage for Jet Nightclub)