VIPs have been heading to the building in droves since it hit the market last year.
The 8-bedroom home is filled with Parisian flea market finds.
The Billionaires’ Row apartment had been listed with Stribling for $13.7 million.
The celebrity cook and magazine maven's Southampton home has more than doubled in value since 2004.
The 8,772-square-foot estate is listed for $11.5M more than what Witherspoon sold it for in 2004.
A lucky buyer has reportedly purchased the 8,400-square-foot Colonial-style home for $300,000 below the $11.8 million asking price.
The $8 million listing notes "no expense was spared in this historical and pedigreed renovation."
The auction is set for September 15th and expected to draw a crowd.
Two houses with total of 8,366 square feet are included with the listing.
The listing describes the six-bedroom abode as being "an excellent value."
Eric Adjmi's apparel group designs and distributes brands including Champion, Fila and Danskin.
The Rumsey-Harriman estate in Sands Point was the inspiration for the Gatsby estate and the fictional town of East Egg.
Judith Ripka's jewel box has a prime location on Shinnecock Bay.
The first 3 rental units in the building hit the market Tuesday morning.
The latest residence to sell is the smallest of the collection.
The 24-year-old pop singer is returning to her roots.