New York Magazine celebrated its 50th anniversary and the publication of the new book "Highbrow, Lowbrow, Brilliant, Despicable: 50 Years of New York at Katz’s Delicatessen."

Notables in attendance included Zachary Quinto, Hannah Bronfman, Lena Waithe, The Kid Mero, Desus Nice, Jim Gaffigan, Fern Mallis, Jane Rosenthal, Charlie Rose, Eliot Spitzer, DJ Spinderella, Linda Fargo, Jill Kargman, Harry Kargman, Julie Klausner, Caroline Hirsch, Daphne Rubin-Vega, Jeffrey Seller, Ben Sinclair, Simon Doonan, Marcus Samuelsson, Jordan Klepper, Dale Talde, Gail Sheehy, Emma Myles, Patty Smyth, Jon Batiste, Joseph Altuzarra, Cynthia Rowley, Rachel Comey, Don Lemon, Pat Kiernan, Fernando Garcia, Rosanna Scotto, Kurt Andersen, Michael Wolff, Drew Nieporent, Leonard Lopate, Fred Wilson, Nicholas Pileggi, Jordan Roth, Joan Juliet Buck, Tim Weiland, Lena Waithe, Stephanie Andujar and Mia Moretti.