Home · Celebrity Star Gazing: Diddy Hosts a Vegas Pool Party Sean 'Diddy' Combs kept cool in a signature all-white ensemble while hosting a pool party at the MGM Grand Hotel/Casino in Las Vegas on September 4. By · Updated October 29, 2020 Sean ‘Diddy’ Combs kept cool in a signature all-white ensemble while hosting a pool party at the MGM Grand Hotel/Casino in Las Vegas on September 4.