Suze Orman turns 58 today. Billionaire financier Pete Peterson is turning 83. Teen Vogue editor Amy Astley is 42. Post columnist Andrea Peyser is turning 50. Journalist Bill Moyers is 75. Mark Wahlberg is turning 38. Pete Wentz is 30. Author Chuck Klosterman is 37. Comedian Jeff Garlin is 46. Laurie Anderson, the musician and wife of Lou Reed, is 62. Actor Ron Livingston is turning 42. Art advisor Kim Heirston turns 46. Housing Works president Charles King is 50. Kristin Gore, the author and daughter of Al Gore, turns 32. Movie producer Kathleen Kennedy is 56. And Kenny G celebrates his 53rd birthday today. Weekend birthdays below:

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]

Yves Saint Laurent sponsored the Metropolitan Opera's 125th Anniversary Gala at Lincoln Center on Sunday night. YSL creative director Stefano Pilati was on hand to welcome the likes of Brooke Shields (left), Claire Danes, Claudia Schiffer, Kanye West and Amber Rose, Parker Posey, Kim Heirston, Mia and Patrick Demarchelier, Diane Kruger and Joshua Jackson, Richard Meier, Jeremy Irons, Willem Dafoe, Ingrid Sischy, Emily Mortimer and Alessandro Nivola, Sally Singer, Woody Allen, Stefano Tonchi, James Levine, Renée Fleming, Peter Martins, Julianna Margulies and Keith Lieberthal, Zoe Saldana, Daphne Guinness, Julie Macklowe, Plácido and Marta Domingo, Ginnifer Goodwin, Becki Newton, Patricia Clarkson, Austin Scarlett, and Met mega-donor Mercedes Bass. [PMc, Wireimage, Style.com, VF, FWD]

Valentino and Vogue co-hosted a cocktail party to benefit New Yorkers For Children at Valentino's Madison Avenue store last night. Guests included Fabiola Beracasa and Erin Fetherston (left), Fern Mallis, Tinsley Mortimer, Valesca Guerrand-Hermès, Maggie Betts, Paul Sevigny, Bebe Neuwirth, Jennifer Creel, Selita Ebanks, Alina Cho, Kate Schelter, Antony Todd, Tatiana Platt, Kevin Liles, Denise Wohl, Di Petroff, Felicia Taylor, Erica and Geraldo Rivera, Sylvester and Gillian Miniter, Dori Cooperman, Maggie Rizer, Allison Sarofim, Lydia Fenet, Vanessa von Bismarck, Dayssi Olarte de Kanavos, Susan Shin, Tracy Stern, Melissa Berkelhammer, Stephanie LaCava, and, yes, "Real Housewife" Alex McCord and her husband Simon van Kempen. [PMc, Wireimage, VF, SF]

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) Donna Karan's annual designer garage sale in support of the Ovarian Cancer Research Fund was co-hosted by InStyle and Kelly Ripa on Saturday. Betsey Johnson, Lydia Hearst, Euan Rellie, Lorraine Bracco, Jessica Stam, Katie Lee Joel, Debbie Matenopoulos, Hana Soukupova, Charlotte Ronson, and Nanette Lepore browsed stalls manned by the likes of Rachel Zoe and Shoshanna Lonstein Gruss, raising $3.6 million. [FWD]

Wunderkind chef Josh DeChellis is 35. Blackstone co-founder Pete Peterson is 82. Fashionable art advisor Kim Heirston is 45. Personal finance queen (and power lesbian) Suze Orman is 57. The Post's Andrea Peyser is 49. And Teen Vogue's Amy Astley is nearly a quarter century older than her demo. She's 41 today.

Kim Heirston is a contemporary art advisor who helps the very wealthy spend their hard-earned (or not-so-hard-earned) money on very expensive artwork. She's also a fixture at fashionable art events around town.