Andrew Saffir's Cinema Society hosted a screening of The Mysteries of Pittsburgh last night at the Landmark Sunshine Theater. Guests at the screening included the film's stars Sienna Miller and Peter Sarsgaard (left), along with Maggie Gyllenhaal, Anna Wintour, Russell Simmons and Julie Henderson, Gilles Bensimon, Rachel Roy, Amy Sacco, Rachel Zoe, Beth Ostrosky, Olivia Palermo and Johannes Huebl, Jessica Joffe, Zoe Kravitz, Stefano Tonchi, Marina Rust Connor, Jennifer Creel, Richard Johnson and Sessa von Richchofen, Carlos Souza, Marcus Schenkenberg, Rosanna Scotto, Emma Roberts, Brittny Gastineau, Irina Pantaeva, Kiera Chaplin, Lisa Anastos, Jackie Astier, Kim Heirston, Nur Khan, Gilles Mendel, Bobby Kennedy III, Kelly Killoren Bensimon, Chris Diamantopoulos, and Olympic fencers Tim Morehouse and Jason Rogers. [PMc, Wireimage, VF, Paper, FWD]

Tyra Banks, Suze Orman, Keith Olbermann, and Phil Donahue were among the honorees at the 20th annual GLAAD Media Awards at the Marriott Marquis on Saturday night. A few of the people on hand for the occasion: Jonathan Adler and Simon Doonan (left), Chris Noth, Clay Aiken, T.R. Knight, Tim Gunn, Christian Siriano, Cherry Jones, Robert Verdi, Heather Matarazzo and Carolyn Murphy, Vanessa Williams, Michael Urie, Ana Ortiz, Junior Vasquez, Jay Manuel, Hanna Storm, Brad Rowe, Jenny Shimizu, Stockard Channing, Judith Light, S. Epatha Merkerson, State Sen. Eric Schneiderman, and Hedda Lettuce. [PMc, Wireimage, Advocate, Access Hollywood]

1) Bronson van Wyck and Andrew Fry (left) held a "Sunset Supper" at their house in Southampton for guests including Aby and Samantha Boardman Rosen, Peggy Siegal, Eric Villency, Fernanda Niven, Alex Kramer, and Peter Davis, who were served caviar in little lumps on their hands. According to Davis: "Caviar is the new cocaine... it's decadent and totally rehab-free!" Just think how disappointed his dealer's going to be when he catches wind of this. [Paper]

1) Eric Villency and Kimberly Guilfoyle threw a cocktail party on Saturday evening at their house in Bridgehampton, where Richard Johnson, Dan Abrams, Dave Zinczenko, Geraldo Rivera and Erica Levy, Scott Currie, Rob Wiesenthal, Alina Cho, and Gigi Stone mingled. [Huffington Post/Pmc]

1) Miguel Forbes took a cruise to Sag Harbor aboard the family-owned Highlander, along with Alejandro Santo Domingo, Dan Abrams, Dave Zinczenko and Melissa Milne, Elle Macpherson, Stella Keitel, Craig Spitzer, Fabian Basabe, Sessa Von Richthofen (pictured, right) and Richard Johnson. [NYSD/PMc]

1) At Rita Schrager's Southampton garden, Lara Shriftman and Elizabeth Harrison's new book Party Confidential: New Etiquette for Fabulous Entertaining was feted by Dan Abrams, Dave Zinczenko, Jill Stuart, Woody Johnson, Radu, George Wayne, Kelly Killoren Bensimon, Alina Cho, and Elana Waksal, who in keeping the party's Western theme donned bandanas and Stetsons and tried their luck on a bucking bronco. [FWD/NYSD]