What's a bigger step in a relationship? Buying your lover a $750,000 Lamborghini or moving into and buying a house together? And where does matching your own car with your boo's fit into that? Kim was seen driving Kanye around in her blacked-out Rolls-Royce Ghost in Miami recently, as the two hunted for houses together. One requirement we can assure you is on their checklist is a nice big garage for all of their fancy toys.