Last Night's Parties: Heidi Klum, Fiona Byrne & Bette Midler Each Host Star-Studded Halloween Parties & More!

Over the weekend in NYC, Halloween festivities hit full force, with celebrity-filled bashes hosted by Fiona Byrne, Bette Midler, and the queen of Halloween herself, Heidi Klum. From Zachary Quinto and Alexa Chung, to Leigh Lezark and Michael Kors, click through to see everyone who was out and about this Halloween.

[Zachary Quinto, Donal Brophy by Paul Porter/BFAnyc.com via @bfa_nyc][Julie Henderson by Aria Isadora/BFAnyc.com via @brandsway][Photo by David X Prutting/BFAnyc.com]

Russell Simmons Carlos Campos Ashanti Theophilus London Heidi Klum Mario Cantone Susan Sarandon Michael Kors Zoe Kravitz Vito Schnabel Phillip Lim Sandra Lee John Munson Julie Henderson Richard Chai Phil Donahue Eric West Joe Zee Bette Midler Joe Jonas Lindsay Ellingson Mike Nouveau Yaz Hernandez Nolan Gerard Funk Rob Mckinley Fiona Byrne Tony Danza\ Roseanne Cash Tyler & Cameron Winklevoss Karla Martinez OMG Elizabeth Kurpis Gabriel Rivera-Barraza Teresa Moore Geoff Stults Philip Gaucher Franco V nianga niang melanie lazenby Julia Loomis Vibe Dabelsteen Ansel Elgort Kate Nauta Chances With Wolves Patrick Garstin Hugh Sheridan Tamiris Freitas Matt McGorry Lauren Conolan-Richards Mark Anthony Green Sam Ben Avraham Jorge Viladoms Michelle von Mandel Sabrina Wirth David Frankel Chad Murawczyk Mindy Yang Pari Ehsan Tyler Watson Christian Fernandez Carolina Alvarez-Mathies Annie Lai Marcus Jahmal Emily Dawn Long Is That Blood? Ansolo Martin von Haselberg Zachary Pinto Bob Pitman Sabrina Jales Naja Hill Angele Blank Brittany Leighton Rafael de La Fuente Oren Alexander and Anna Sophie Mungenase Herv Moreau Stephanie Rodriguez Alexandra Klestadt Juan Larrain Lutfi Janania Maria Cristina Rios Claudia Torres Rondon Leticia Presutti Sofia Reeser del Rio Audrey Walen Concha Valades Cristina Gonzalez Dario Calmese Devon Caranicas Gabriel Ibarzabal Geraldine Paz Hector Herrera Javier Iturralde Kate Hanley Camila Neves Rena David Stephanie Londono Jakob F. Stubkjr Ken Borochov