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. Diddy Las Vegas 260 Jpg By Essence · 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.