Last night in NYC, Marc Jacobs' after party at the New York Yacht Club turned into a late night '90s disco fest, Stefano Tonchi hosted an exclusive issue party for W Magazine's Generation W, Theophilus London and Sky Ferreira attended Interview Magazine's dinner at Milk Studios to celebrate MADE's upcoming launch in Paris, Liv Tyler and Helena Christensen threw a party for Vs. Magazine at Exchange Alley, Rag and Bone celebrated the launch of their Pilot bag at the Nomad Rooftop with Hilary Rhoda and Rachel Zoe, and so much more!

[Hailee Steinfeld, Marc Jacobs] [Rose Byrne, Kristen Wiig] [Michael Pitt, Jamie Bochert]

Kristian Laliberte Byrdie Bell Marc Jacobs Chloe Sevigny Alan Rish Tommy Hilfiger Gina Gershon Theophilus London Lisa Perry MILK Studios Charlotte Ronson Hilary Rhoda Nur Khan Julianne Moore Kelly Bensimon Lauren Conrad Natasha Bedingfield Chace Crawford Gramercy Park Hotel Simon Doonan Annabelle Dexter-Jones Julianne Hough Sia Cory Kennedy Chrissie Miller Jessica Stam Derek Blasberg Rachel Zoe Cornelia Guest Julie Macklowe Molly Howard Erin Fetherston Dani Stahl Quintessentially Leigh Lezark helena christensen Jason Binn Jason Wu Waris Ahluwalia Robert Duffy Le Baron Steven Kolb Andrew Bevan doutzen kroes Yigal Azrouël Nate Lowman Pamela Love Jay Manuel Casey Spooner Nate Berkus Lauren Remington Platt Jessica Hart Daniella Vitale Jen Brill Amy Fine Collins Kick Kennedy Anna Chlumsky chris benz Aimee Ruby Bon Appetit Stacy Engman Liz Goldwyn Liv Tyler Ric Pipino Magnus Berger Kate Lanphear Stacey Bendet Justin Long Rebecca Minkoff abigail breslin savannah wise Cole Haan Kelly Osbourne Jamie Chung Jefferson Hack Karen Duffy Josh Hartnett Linda Evangelista Stacy Keibler Anna dello Russo Jennifer Missoni Katie Lee Trish Goff Glenda Bailey Marcus Wainwright Marjorie Gubelmann Ron Frasch Athena Calderone Chelsea Leyland Jake Hoffman China Chow Jessica White Ken Downing Kristen Wiig June Ambrose Alison Pill Virginia Smith Tinsley Mortimer