Hollywood celebrities really knows how to party with style around the world. This is a new one, P. Diddy and Cassie were spotted aboard a yacht that P. Diddy uses to party when in Cannes. P. Diddy always party with style and this year, Cassie, the rumored girlfriend of P. Diddy, was also in it. The couple were spotted by several people together and exchanged sweet messages via Twitter. According to Cassie, she and Diddy are just friends. But aside from that, during the Cannes Film Festival, Cassie was totally above all in that night. She was wearing this gown just made for her. It was so sexy and hot for Cassie. No wonder she was part of the P. Diddy yacht party.