Kiki Astor on Instagram: "The rapture didn’t happen yesterday… or maybe tragically, I wasn’t invited. Which makes this the perfect moment to discuss the ancient art of being NFI—Not [bleep]ing Invited. In Mrs. Astor’s Gilded Age society, you never admitted exclusion. If you weren’t on the guest list, you were “in Europe,” “taking the waters” in Saratoga, or conveniently hosting a rival dinner. The rule was simple: you weren’t unwanted, you were otherwise engaged. The same etiquette still applies