Mariah CareyThe five-time Grammy award winning artist has an enormous, climate controlled closet in her 12,000 square foot Manhattan triplex. However, the vast space still can't contain all of Mariah Carey's shoes. "I have about 1,000 pairs of shoes. But lots are in storage," she says. Carey designed the sweeping space with gold-leaf and bleached-wood floors. "Like Louis Vuitton luggage," she says, "it will only look better over time." Few girls would be able to fill the closet, which is arranged by color and material, as well as in event-specific groupings. "If someone else ever bought it [the apartment], she'd have to be a total diva!"