"Minnie Mortimer is the only girl in New York (tears that she’s moving to LA) who wasn’t a bitch or serial social climber," one anonymous commenter on the Web site Park Avenue Peerage overenthused. While Topper's sister was definitely one of the more cerebral of the social set, her marriage to screenwriter Stephen Gaghan (Traffic) and move to Los Angeles does not seem to have completely eliminated her appetite for Manhattan society parties. The couple, who met at Diane von Furstenberg's Oscar picnic, married last May, since which time she's been photographed at 23 events by Patrick McMullan photographers.