Mariah Carey and James Packer have "his-and-hers" yachts. The singer and her billionaire fiancé are currently vacationing in Italy, but while the businessman owns and is staying on the Arctic P, Mariah has a chartered a 192-foot capri, a luxury liner which has 16 members of crew, including a private chef. Mariah quipped: "It is important to have his-and-hers everything.