Celebrity singer Celine Dion's custom built Quebec mansion is gracing the real estate market. Priced at $29 Million, this majestic mansion stands on an 830,000 sq ft private island. From the listing:

In the style of a French Normand Chateau, the 24,000 sq. ft. residence is completely sheathed in stone with dramatic slate roof. The luxurious classical interiors are unrivaled in their finishing and detailing. The main floor features a formal living room and dining room seating eighteen, completely custom "la Cornue" kitchen, spectacular paneled library and family room with custom fireplaces and built-ins, informal dining and sun rooms and an office. A majestic winding staircase leads to the second level featuring the master's suites as well as the children's suite. The third storey houses a guest bedroom and home gym with state of the art equipment. Tranquil water views are present from almost every room and a customized elevator makes moving through the residence a breeze. On the lower level, one will find a handsome games' room and a vaulted stone wine cellar with integrated tasting room that is second-to-none. The exterior features numerous stone terraces from which one can appreciate the surrounding water views and natural forested environment, a large in-ground pool and fabulous pool house equipped with its own kitchen and built-in grill making outdoor entertaining a delight.