Last night, Jay-Z celebrated the reopening of his 40/40 club, Ewan McGregor and Blake Lively attended the screening and after party of Haywire, Aaron Stern presented his photo exhibit at Milk Gallery, Alice and Olivia held a dinner, and so much more. Last night's parties was all about the celebrity sightings.

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The Guest List

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Amy Sacco• Kristian Laliberte• Daniel Benedict• Ashanti• Graydon Carter• Gina Gershon• Blake Lively• Jay-Z• Alexandra Richards• Nur Khan• The Waverly Inn• George Wayne• Kelly Bensimon• Penn Badgley• Albert Hammond Jr• Calvin Klein• aaron stern• warren buffett• Debbie Harry• Zoe Kravitz• Dani Stahl• Ewan McGregor• Bettina Zilkha• Rachel Roy• Chadwick Bell• spike lee• Lauren Remington Platt• Olivia Chantecaille• Anna Chlumsky• Alexa Chung• Justin Bartha• Sante d'Orazio• Elizabeth Banks• Debbie Bancroft• Stacey Bendet• Debra Winger• Julie Chen• Sam Shipley• QuestLove• Lance Bass• Grace Coddington• Wale• Dylan Walsh• CC Sabathia• Stefano Tonchi• Milk Gallery• Alex Lundqvist• Dean Winters• Harif Guzman• Landmark Sunshine Cinema• tennessee thomas• Reed Krakoff• Ed Droste• Terry George• Tony Danza\• Stephen Baldwin• Peter Cincotti• Scott Adsit• Kevin Ryan• Edward Barsamian• Gavin Wiesen• Wendy Goodman• The Magician• Erika Spring• David Alan Basche• Eric Kelly• Nazy Nazhand• Charles Bank Gallery• Allen Grubesic• Bevy Smith• Aleksa Palladino• Mazdack Rassi• Sant Ambroeus• Top Of The Standard Hotel• Jeff Halmos• Rico Love• Tamara Rappa• Aaron Carter• Kim Keever• Billy Magnussen• Drena DeNiro• Indre Rockefeller• Jenna Morasca• Camille Rowe• Tyson Chandler• Milou Van Groesen• Gina Carano• Annie Clark• par stromberg• Barnaby Hosking• Adam Henry• Eske Kath• Jackie Landes• Ali Landes• Matt Landes• Ben Wolin• Ethan Zohn• Mike Keriakos• Cake Alchemy