Keira Knightly and costars step out for the Hollywood premiere of Anna Karenina; Drew Barrymore, Ben Stiller, Dita Von Teese and more help Kimberly Snyder launch her new juice bar in West Hollywood; Jesse Tyler Ferguson, Aisha Tyler, Julie Bowen and others celebrate marriage equality; Johnny Depp, Sarah Silverman and Nick Valensi cover Tom Petty and the Heartbreakers hits for charity; GQ hosts their annual "Men of the Year" party at Chateau Marmont with guests Rihanna, Ben Affleck, Aaron Paul and many more; Stevie Nicks performs at The Women's Guild Cedars-Sinai 55th Anniversary Gala—get the rundown on who was out at Tuesday and Wednesday's top events in this double dose of Last Night's Parties.

The Strokes Diane Kruger Chace Crawford Sean Hayes Julianne Hough Ne-Yo The Black Keys Sarah Silverman Rihanna Drew Barrymore GQ Rashida Jones Marcia Gay Harden Tom Hanks Dita Von Teese Chateau Marmont Ben Stiller Brittany Snow Zach Braff Adrienne Bailon Russell Brand Jennie Garth Kathy Griffin LA Reid Angela Lindvall Jamie Foxx Rita Wilson Ron Howard Virginia Madsen Justin Bartha Jessica Szohr LL Cool J Aisha Tyler Sean Combs Kate Walsh Aubrey Plaza Les Moonves Julie Chen Martin Short Samuel L. Jackson Catt Sadler Ashley Madekwe Kristin Chenoweth Ali Larter Stephen Moyer Lisa Kudrow Alessandra Ambrosio katie cassidy Common Tom Petty Caitlin Moe ryan kwanten Matthew Morrison Dr. Dre camilla belle Zachary Quinto Michael Gladis Jaime King Armie Hammer jessica capshaw James Marsden Krysten Ritter Erin Heatherton James Schamus James Van Der Beek Johnny Depp Ben Affleck Wolfgang Puck Ke$ha Jesse Malin Cher Julie Bowen Keira Knightley Wes Bentley The London West Hollywood Joe Mazzello Topher Grace Niecy Nash joan collins Kate Mara Aaron Paul John Cho Erin Andrews Maksim Chmerkovskiy aziz ansari Har Mar Superstar Andrew Karpen Mark Salling Ellie Kemper Jesse Tyler Ferguson Modern Family Nolan Gould Elizabeth Chambers chris bosh Eric Stonestreet Ty Burrell El Rey Theatre Harry Shum Jr. JC Chasez