Forget the traditional Mediterranean or California ranch-style home ubiquitous in L.A. When Ashton Kutcher decided to buy a new place for his life post-Demi Moore, he chose a stunning modern house with views of Lake Hollywood from its retractable glass walls. Kutcher had been renting the place when teen pop star Justin Bieber inquired about buying the place. When Kutcher found out, he put an offer on the Hollywood Hills home.