Elijah Wood, Emile Hirsch, Jack Osbourne and more game it up at the Assassin's Creed IV Black Flag launch; Robert Pattinson and Brett Ratner attend a screening of Seduced and Abandoned; Audrina Patridge, Mena Suvari, and Mischa Barton celebrate the launch of Dahlia Wolf; Khloe Kardashian welcomes Scoop NYC to Beverly Hills—catch up on Tuesday's top events in today's installment of Last Night's Parties.

The Guest List

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Russell Simmons• Leven Rambin• Ally Hilfiger• Mario Lopez• Katy Perry• Elijah Wood• Santa Monica• Cody Horn• Mena Suvari• Khloe Kardashian• Greg Lauren• Michelle Monaghan• Audrina Patridge• Mariel Hemingway• Robert Pattinson• Mischa Barton• emile hirsch• Paula Abdul• marley shelton• Scott Porter• minnie driver• Brett Ratner• Christina Hendricks• Elizabeth Berkeley• Barney's New York• Robert Buckley• Geoffrey Arend• Johnnie Walker• Michael Mailer• Babyface• Jack Osbourne• Irving Azoff• Stephen Wilson• Nick Simmons• Alex Pettyfer• Scoop NYC• Rachel Pally• Connor Cruise• James Toback• Sophie Simmons• Malika Haqq• Matthew Lillard• Tierney Gearon• Jennette McCurdy• Benjamin Mckenzie• Francesca Fisher-Eastwood• Katharine Ross• Ayelet Zurer• Greystone Manor• Hal Sparks• Chris Hardwick• Wilson Bethel• Brett Davern• Valerie Azlynn• Dani Thorne• Suzanne Todd• Maksim Chmerkovsky• Nicholas Jarecki• Stacey Sher• Alexi Yulish• Cas Anvar• E.J. Bonilla• Garrett Clayton• Johnny Hallyday• Luke Brooks• Craig Thornton• Pom Klementief• Keith Fox• Kayla Tabish• James Rustin• Stephen Lunsford• T.J. Linnard• Camryn Grimes• Assassin's Creed IV Black Flag Launch Event• Terri Semour• Madeline Fuhrman• Mar Yvette• Emily June• Justin Mavandi• Charles Park• Andrea Bernholtz• Graffiti Cafe• Dahlia Wolf Launch Party• Marc Foster• Bridgette Romanek• Laeiticia Hallyday• Shive Rose McDermott• Valetin Chmerkovsky• Sky Lauren• Kloe Kardashian• Sar Rue• Lyndie Benson• Kenneth Edmonds• Jeff Azoff• Varin Von Berg• Kathy Fresto• Jill Ginsberg• Jaye Azoff• Irene Roth