Gary Newman, Katey Sagal, Ryan Murphy, Angela Bassett, and other network stars attend The Paley Center for Media's 2013 Benefit Gala Honoring FX Networks; Mark Ronson performs for guests like Jaimie Alexander, Kat Graham, and Jesse Tyler Ferguson at the Marvimon for GQ and Maserati's GQ Men Book Celebration; Amy Poehler, Aziz Ansari, Rashida Jones, Rob Lowe and the rest of the "Parks and Recreation" cast celebrate their 100th episode; Barneys New York and Simon Doonan host a cocktail event in support of Heart of Los Angeles (HOLA)—catch up on Wednesday's top events in this edition of Last Night's Parties.

Mario Lopez Shawn Pyfrom Mark Ronson Rashida Jones Simon Rex Amy Poehler Aisha Tyler Aubrey Plaza Kathy Bates timothy olyphant Kimberly Caldwell Rainn Wilson Josh Pence aziz ansari Jesse Tyler Ferguson Ryan Murphy Charlie Day Adrianna Costa Rob Lowe Ron Perlman Pat Mitchell Nick Kroll Blake Lewis Angela Bassett Regal Cinemas L.A. Live Katey Sagal Walton Goggins James Murdoch Peter Rice Kim Coates Jaimie Alexander Rob McElhenney Chris Pratt Nick Offerman Gary Newman Katie Aselton Kaitlin Olson Paul Scheer Abigail Hargrove Katerina Graham John Landgraf Benito Martinez Brandon Tyler Russell Jim O’Heir Graham Yost Elise Luthman Mateo CBS Studios John Gammon Jim Jefferies Fox Studio Lot Cas Anvar Brian Friedman Aubrey Cleland Devin Velez Shawn Ryan Maitland Ward Marvimon Tara-Nicole Azarian Ariana Sloan Taylor Hay Breann Johnson "Parks And Recreation" 100th Episode Celebration Marietta Sirleaf Paul Joley Jacob C. Williams Noura Jost CJ Diehl Estlin Feigly Chad Roberts Colin Costello Nicole Lvova Tyler Chamagne Nick Azarian Levi Ware Bailey Gambertoglio Jennifer Joliff Ava Cantrell Louis Stancil "The Stream" - Los Angeles Premiere Lane Garrison Cottrell Guidry Iman Jordan GQ And Maserati Celebrate "GQ Men" Book With Performance By Mark Ronson Catherine Dent CCH Pouder Chase Carey Scott Syedel The Paley Center For Media's 2013 Benefit Gala Honoring FX Networks Lee DeWyse Elliott Yamin Lindsay Arnold. Kyra Battle Dominick Monzee Cara Quici Jonna Walsh Natalie Lander Mike Windle Taylor Bright