Christina Aguilera – $13.5 Million, L.A.

Another musical icon that has the passion for decorating and transforming her home is pop diva Christina Aguilera. She once made headlines when she completely transformed Ozzy Osborne’s house. However, her mansion in LA has been featured in some well-known design magazines. But if you would follow Aguilera’s interior designing, you might need a huge loan to cover for it as it’s estimated to be around the millions. For Aguilera, and her massive bank account at that, loans and mortgages are unheard of.