If the gossips are to be believed and Chelsea Clinton is indeed engaged to Goldman Sachs banker Marc Mezvinsky, then we can expect a sighting around the Shake Shack in the near future. A source says Mezvinsky, who according to some reports has been friends with the former First Daughter since the two were teens, has bought a 2,000-square-foot, three-bedroom condo in the Flatiron district that’s priced at about $3.8 million. Mezvinsky, the son of former Iowa congressman (and current incarcerated felon) Edward Mezvinsky, apparently toured the place with Clinton, suggesting that he sought her approval before signing off on the purchase. Assuming the deal goes through, it would end what appears to have been a protracted search on Mezvinsky’s part; a source claims the two toured various downtown properties last fall. As for Chelsea herself, at present she lives a few blocks away, somewhere in the vicinity of Gramercy Park.