Casper Smart stays winning.
Jennifer Lopez will plunk down $10 million for an exclusive Water Mill estate, The Post has learned.
The Bronx native has been in the market for a Hamptons mansion for years — and finally settled on a custom-designed spread near Mecox Bay.
It’s got a sauna, steam room, theater and a pool — along with eight bedrooms and seven bathrooms.
But what really sold the “Jenny from the Block” songstress on the 8,659-square-foot summer home was the promise of privacy — the house is set on three acres and tucked into a cul-de-sac on Bay Lane.
“She was serious about buying this time,” a source said, adding that the price was “a steal.”
It costs $425,000 to rent the house from Memorial Day to Labor Day.
The former “American Idol” judge, 43, and her entourage — including 25-year-old boyfriend Caspar Smart and her twin 5-year-olds, Emme and Max — visited the estate several times.
Lopez also liked that there was plenty of room to build a guest house for visiting family, staff or for more of her entourage, sources said.
