Robbie Williams: $17 Million, London
Robbie Williams, former Take That heartthrob, turned successful solo artist, decided not to just buy an apartment or a house but to go the full whack and bought an entire building in Kensington, West London for $17 million! It took him three years of renovation to get the place as he wanted it, covering 5 floors and with over 46 rooms. There is also a swimming pool covering an entire floor, a gym, and a cinema hall.

Robbie Williams: $17 Million, London
Mark Wahlberg: $30 Million, Beverly Hills
Acting legend, Mark Wahlberg, lives in this Beverly Hills estate, estimated at $30 million. Covering 2 acres of land, the main house has 7 bedrooms, 6 bathrooms, and a movie theatre. For sports, there is a professional boxing ring, a full-size basketball court, and a two-story gym. The second floor has a deck overlooking the estate, there is a pool with a waterfall flowing into it, all surrounded by luscious green gardens. Oh, and there is a hidden cave with a Jacuzzi and a water slide inside.

Mark Wahlberg: $30 Million, Beverly Hills