Back when she was still Mrs. Willis in 1987, Demi bought a duplex in the San Remo. The New York City building overlooking the lake in Central Park has also been home to other A-listers such as Bono, Steven Spielberg, Tiger Woods, Donna Karan, Glenn Close, and many more. In 2007, rocker Billy Squier and Bono, who lived on the same floor, went to court over Billy's fireplace, which was allegedly blowing smoke into Bono's unit. We won't choose sides in this battle, though. We're still waiting on our invite to the block party!