According to Luxist Pop diva Mariah Carey has reportedly made an offer on Fleur de Lys, the world’s most expensive estate, which is listed at $125 million. The the palatial 15-bedroom mansion in Beverly Hills (above) was built by Texan billionaire David Saperstein. The five-acre estate is home to a 41,000-square foot French limestone mansion inspired by France’s magnificent Vaux le Vicomte palace outside Paris. It features Italian marble walls, French limestone floors, gold-embossed leather wall coverings, gold-leaf crown moldings, a ballroom with ceiling frescoes, a library complete with rare books, two kitchens and a screening room with seating for 50.  Check out more pics!

Surrounding the mansion are rolling lawns, ornamental gardens and mature trees, a 3,000-square-foot manager’s house, staff quarters for 10 people, a spa and pool with a pavilion, a championship tennis court, and a lavish garden folly. Contactmusic reports that after three months of house hunting Carey and her rapper / actor husband Nick Cannon have made an offer on the estate, for an undisclosed amount. “They like the home because there’s so little that needs doing to it,” a source close to the couple allegedly remarked. The house is currently owned by Saperstein’s ex-wife Suzanne, whom he ditched for the childrens’ hot Swedish nanny.