Photos: Mariah Carey, her kids & fiancé James Packer vacation in Greece

Mariah Carey, her billionaire fiancé James Packer, 49, and her five-year-old twins Moroccan and Monroe are on a holiday in Mykonos, Greece. The 46-year-old music star wore a plunging lace black maxi dress which showed off her cleavage, as they disembarked from James' luxury yacht on Namos Harbour. More photos after the cut....