In case you were wondering, fashion editor/ writer/ man-about-town Derek Blasberg is part of that achingly cool oh-so-stylish New York clique.
And this week, the party was all in his honour with Alexa Chung, Courtney Love, Karlie Kloss AND Iman trotting along to Hogs & Heifers Saloon in NYC to celebrate Derek's Paperless Post Collection. Yes, the man's launched a stationary line. Classic.
Courtney Love went for a pastel blue mini dress, a statement necklace and matchy cuff teamed with yellow heels while Alexa opted for a black velvet dress, trench coat, a round cross-body handbag and monochrome heels. We couldn't heart these ladies more.
As for Mr Blasberg? He looked very dapper all suited and booted in a charcoal grey ensemble. The man of the hour done good.
Even the likes of Jessica Alba has been shouting out his latest paperless post:
Hey folks check out my @DerekBlasberg