Tinsley Mortimer may finally grab the gold ring of blue-blood legitimacy: She and husband Topper have applied to be members of the exclusive Southampton Bathing Corporation and are currently "under review." If accepted, Tinz will have the pleasure of dipping her toes in the same pool as Muffie Potter Aston. She'll also be assured that her weekends will be African-American-free. Well, aside from the staff, that is. [NYO]