When debut novelist Jasmin Rosemberg (second from right, in the orange dress) threw a launch party for How the Other Half Hamptons at 1Oak Tuesday night, she lured at least three paparazzi to the scene, along with friends from the newspaper, magazine, and book publishing worlds—even celebrities like Jamie-Lynn Sigler and John Corbett. “Given all the family & friends,” the former NY Post columnist emailed the morning after, [it] honestly felt more like my wedding!” Which must make this Saturday night’s party at Lily Pond in East Hampton the honeymoon?