The singer pop star Carey, now 45, was previously married to rap artist and actor Nick Cannon with whom she had fraternal twins after she divorced of legendary music producer Tony Mottola. Packer, 48, has three children from his marriage to his second wife, Erica Baxter. He runs the worldwide gambling empire Crown, one of Australia’s largest entertainment groups. James is Australia’s fourth richest man “It’s been incredibly romantic, they love doing sweet things for one another,” says an insider. Mariah did move into his home but is still keeping her home as well. Mariah’s engagement ring is at around 35 carats. Carey and Packer made their first red carpet appearance as a couple in Macau in October.