Josh Duhamel, Harry Shum Jr. and Chloe Moretz celebrate the launch of Sony's new PS VITA portable entertainment system with a party at Siren Studios; Nathan Lane hosts USA Network and The Moth's Storytelling Tour: A More Perfect Union: Stories of Prejudice and Power; Disney premieres its new made for TV movie, Radio Rebel, at the AMC CityWalk theater inside Universal Studios; Sports Illustrated and covergirl Kate Upton celebrate the annual "Swimsuit Edition" with a party at Haze Nightclub at the Aria Casino in Las Vegas—Wednesday was quite the day with new videogames, inspiration for our youth and gorgeous swimsuit models and we've got all the details on the events that took place in and around Los Angeles in this edition of Last Night's Parties! More»