Cityfile: New York's Most Notable and Influential

Happy Birthday | Model, DJ, and rock star spawn Alexandra Richards turns 23 today. Former New Jersey Senator Bill Bradley is turning 66. Famed television exec (and NBC Sports chairman) Dick Ebersol is 62. Richard Haass, the president of the Council on Foreign Relations, is 58. Alexis Arquette is turning 40. The rapper Soulja Boy is 19. Sally Struthers is turning 61. Garfield creator Jim Davis turns 64. Venezuelan President Hugo Chávez is 55. And Elizabeth Berkley, she of Saved by the Bell and Showgirls fame, celebrates her 37th birthday today.

The Cinema Society and Details magazine hosted a screening of The Hangover last night at the Tribeca Grand, which was followed by an afterparty at the Soho Grand. Details editor Dan Peres, Cinema Society's Andrew Saffir, and Bradley Cooper and Justin Bartha, who both appear in the film, welcomed Rachel Roy, Amy Sacco (left), Nicole Miller, Will Arnett, Zach Braff, Gerard Butler, Molly Sims, Chris Meloni, Caroline Rhea, Alan Cumming, Shoshanna Lonstein Gruss, Albert Hammond Jr., Jill Hennessy, Jesse Eisenberg, Hilary Rhoda, Dan Abrams, Danny Masterson, Byrdie Bell, Kelly Bensimon, Rob and Marisol Thomas, Caroline Winberg, and Doutzen Kroes, Alexandra Richards, and Paula Abdul. [PMC, WWD, Wireimage, VF] More

• Stephanie Seymour and Peter Brant will meet in Greenwich divorce court for the first time today. Expect some fireworks: Brant has already filed a motion demanding Seymour "undergo drug and alcohol testing"; for her part, Seymour is accusing Brant of "hostile, threatening and intimidating behavior." [NYP]
• Now that he's split from his wife, Sean Penn is supposedly dating Natalie Portman (again), since she "stimulates him in ways no other person has." [Star]
• Rumor has it Madonna and Jesus Luz are planning some sort of commitment ceremony at the Kabbalah Center sometime soon. [NYDN]
• Luke Russert was either the "It" boy at the White House Correspondents' dinner on Saturday night, or has been a major disappointment for MSNBC, depending on who you talk to. [NYDN, P6]
• Speaking of nepotism, Meghan McCain reportedly "lost it" and acted like an "insolent child" when a guard told her she couldn't bring two friends into the Correspondents dinner on Saturday. [NYDN]More

Giorgio Armani celebrated the opening of his new Fifth Avenue flagship last night with a party at the store. The designer was accompanied by his niece Roberta Armani; guests on hand included Leonardo DiCaprio (left), Carine Roitfeld, Victoria Beckham, Martin Scorsese, Michael Bloomberg, Caroline Kennedy, Joel Klein, Cindi Leive, Fern Mallis, Andre Leon Talley, Ricky Martin, Rachel Zoe, Nina Garcia, John Mayer, Mario Testino,  Josh Hartnett, Liam Neeson, Richard Meier, Alicia Keys, Chace Crawford, Milla Jovovich, Thom Browne, Kevin Liles, Molly Sims, Mira Sorvino and Christopher Backus, Sally Singer, David Hershkovits, Jim Moore, Hal Rubenstein, Patrick McCarthy, Emile Hirsch, Natalia Vodianova, Zani Gugelmann, Kate Lanphear, Horacio Silva, January Jones, Elsa Pataky, Zoe Saldana, Solange Knowles, Marcus Schenkenberg, and Olivia Palermo. [PMc, Wireimage, Vogue UK, FWD, NYM]More

Gucci celebrated the launch of its Tattoo Heart Collection on Wednesday, a line of products that benefits UNICEF. Rihanna, who is the new face of the campaign, was joined Gucci creative director Frida Giannini at a snowflake lighting ceremony at the Grand Army Plaza, which was followed by an event at Gucci's flagship and dinner at the Plaza's Oak Room. Guests included Madonna, Penn Badgley, Blake Lively, Adrian Grenier, Monet Mazur, Timbaland, Mary J. Blige, Erin Wasson, Becki Newton and Chris Diamantopoulos, Kelly Rutherford, Patricia Field, Charlotte Ronson, Shoshanna Lonstein Gruss, Jessica Joffe, Julia Restoin Roitfeld, Mamie Gummer, Eleanor Ylvisaker, Bethenny Frankel, Anja Rubik, Hal Rubenstein, Magnus Berger, Joe Zee, Kelly Killoren Bensimon, Lizzie and Jonathan Tisch, and Maggie Betts. [Style.com, NYO, PMc, Wireimage]More

Vito Schnabel (son of Julian) and Olivier Sarkozy (half-brother of Nicolas) hosted Terence Koh's "Flowers for Baudelaire" exhibition on Wednesday night at Richard Avedon's former studio, where the unusual art was admired by the likes of Anna Wintour, Simon de Pury, Jeffrey Deitch, Allison Sarofim, Stella Schnabel, Olmo Schnabel, Lola Schnabel, Jacqueline Schnabel, Zac Posen, Ann Dexter-Jones, Nadine Johnson, Theodora Richards, Alexandra Richards, Byrdie Bell, Benjamin Cho, Cynthia Rowley, Salman Rushie, Lyor Cohen, Todd Eberle, Derek Blasberg, Genevieve Jones, Yvonne Force Villareal, Drena De Niro, Lisa Anastos, and Gilles Bensimon. [PMc, NYM, GoaG]More

Lucky hosted its fifth annual "Lucky Shops" last night inside the Metropolitan Pavilion. Lucky editor Kim France and publisher Gina Sanders welcomed Leighton Meester, Jessica Szohr, Georgina Chapman, Katrina Bowden, Alexandra Richards, Charlotte Ronson, Thalia, Beverly Johnson, Ginny Barber, and Michaela McManus, who all did a little shopping to benefit the Robin Hood Foundation. [The Daily, PMc, Wireimage] More

Fashion Group International hosted its "Night of the Stars" gala at Cipriani Wall Street last night, where Kate Bosworth, Jennifer Lopez and Marc Anthony, Prince, Karl Lagerfeld, Ashley Olsen, Anna Wintour, Isaac Mizrahi, Donatella Versace, Allegra Versace, Georgina Chapman and Harvey Weinstein (left), Debra Messing, Jared Kushner and Ivanka Trump, Francisco Costa, André Leon Talley, Stephanie Seymour, Stefano Tonchi, Blake Lively, Penn Badgley, Alexander Wang, Bobbi Brown, Lindsay Price, Tom Florio, Christopher Bailey, Behnaz Sarafpour, Zani Gugelmann, Chanel Iman, Cindi Leive, Julianna Margulies, Christian Louboutin, Peter Som, Philippe Starck, Nina Garcia, Roopal Patel, Glenda Bailey, Tim Gunn, Jonathan Adler and Simon Doonan, Ruben Toledo and Isabel Toledo, Justine and Jeff Koons, Jonathan Newhouse, John Varvatos, Kimberly Guilfoyle, Patrick Demarchelier, Linda Fargo, Phillip Lim, Leigh Lezark and Max Minghella, Mary Alice Stephenson, and Mamie Gummer celebrated the industry. [InStyle, Wireimage, PMc]
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♦  Last night Karl Lagerfeld was in town to celebrate the Chanel Mobile Art exhibition with a cocktail party in Central Park. Undeterred by the chilly weather and/or enticed by the chance to be photographed in Chanel: Kate Bosworth and James Rousseau, Glenda Bailey, Linda Wells, Agyness Deyn and Albert Hammond Jr., Zac Posen, Dasha Zhukova, Peter Davis, Helena Christensen, Terry Richardson, Eve, Ann Dexter-Jones, Boykin Curry and Celerie Kemble, Cory Kennedy, Victoria and S.I. Newhouse, Terry Richardson, Julie Macklowe,  Debbie Bancroft, Katie Lee Joel, Tiffany Dubin, Kim Raver, Christopher and Amanda Cutter Brooks, Fabiola Beracasa, Amy Astley, Stefano Tonchi, Sarah Jessica Parker, Carine Roitfeld, Julia Restoin Roitfeld, Kate Schelter, Ferebee Bishop Taube, Luigi Tadini, Eleanor Ylvisaker, Jackie Astier, Fran Lebowitz, Justine and Jeff Koons, Genevieve Jones, David Hershkovits, Kate Schelter, Sophie Auster, and Vidal Sassoon. [The Daily, PMc, GoaG] More

» The Liv Tyler-hosted party for Hearts on Fire diamonds at the Rose Bar was the hottest ticket in one of the busiest social weeks of the year: Leonardo DiCaprio, Alexandra & Theodora Richards (who DJed), Keith Richards, Elizabeth Banks, Catherine Keener, Mena Suvari, Dave Navarro, Ellen von Unwerth, Tara Subkoff, Alan Cumming, Tinsley Mortimer, Adrian Grenier, Sean Avery, Emma Roberts, Monet Mazur, Richie Rich, Ingrid Sischy, Jamie Burke, Russell Simmons, Lauren Santo Domingo, Diego Garcia, Andrew Saffir and Daniel Benedict all stopped by. [The Daily/Paper]

» Too many people wanted to squeeze onto the Mini Rooftop for the V magazine party on Wednesday night, leading to a scrum outside the velvet rope. Those who made it through and caught a performance by Swedish popstar Lykke Li: Agyness Deyn, Irina Lazareanu, Barbara Bush, Doutzen Kroes, Hilary Rhoda, Joy Bryant, Leigh Lezark, Fabiola Beracasa, Sean Avery, Rachel Zoe, Cecilia Dean, Anne Slowey, Natasha Poly, Raquel Zimmerman, Christopher Bollen, and Derek Blasberg. [The Daily, NYO, Style.com]  More

Happy Birthday | Vera Wang turns 59 today. Fashion designer Norma Kamali is 63, Broadway producer Roger Berlind is 78, book editor Cindy Spiegel is 48, and Tobey Maguire is 33. On Saturday, scenester and rock star scion Alexandra Richards will turn 23. Editor Harry Evans will celebrate his 80th. Other people celebrating birthdays this weekend: Michael Cardozo, Wendy Kopp and Scott Heiferman.