9) Kanye West – $11 million (Bel Air, Los Angeles)
Kayne and Kim bought this mansion before the arrival of their baby. This 10,000 square feet property is located in Bel-Air. The mansion includes a movie theater, a nursery and an exercise center. They invested another $6 million in renovations, amongst which a studio, cashmere beds and a Swarovski-encrusted fridge/freezer unit.