Joel Klein, who's been the head of the New York City school system since 2002, is stepping down—to take a job at News Corp. One insane job to another! His replacement: Hearst chairman Cathie Black.

The most terrifying woman on cable news, Nancy Grace, turns 50 today. Director Sam Raimi and "Weird Al" Yankovic are both turning 50 today, too. Actor Ryan Reynolds is 33. Oscar-winning director Ang Lee is 55. Writer Augusten Burroughs is turning 44. ABC News correspondent Brian Ross turns 61. Jessica Stroup of 90210 is 23. Retired soccer legend Pelé is turning 69. Andy Warhol muse Jane Holzer is 69. And Meghan McCain turns 25 today. A list of people celebrating their birthdays this weekend is below.

• A TGI Friday's and Tim Hortons in Union Square? The Riese Organization, which just acquired the building that once housed Zen Palate, says it will bring the chains to the 'hood if it can't find a higher-paying tenant. Uh oh. [Crain's]
• The Beatrice Inn isn't expected to reopen, but co-owner Paul Sevigny has another venue in the works. He's opening a club/restaurant in SoHo, and this time around it will be located "away from residential areas." [NYT]
• Billy Gilroy (Employees Only, Macao Trading Co.) and photographer Patrick McMullan plan to open East Side Social Club in Midtown in late October. [SB]

Graydon Carter, Robert De Niro, and Ron Perelman hosted a Vanity Fair-sponsored dinner at the State Supreme Court House last night to celebrate the opening of the Tribeca Film Festival. They were joined by Carter and De Niro's wives (Anna Scott Carter and Grace Hightower) and Tribeca Film Fest co-founders Craig Hatkoff and Jane Rosenthal, as well as a long list of guests, including Bono and Ali Hewson, Kanye West, Diane von Furstenberg, Jared Kushner and Ivanka Trump, Tory Burch and Lyor Cohen, André Leon Talley, Fran Lebowitz, Spike Lee ... (continued)

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]

♦ Tommy Mottola and his wife Thalia have reportedly sold their 12-acre Westchester estate for $15 million. The 15,000-square-foot Aspen-style home in North Salem was first listed in 2006 for $21 million. [NYP]
♦ Hugh Jackman has closed on the triplex apartment at 176 Perry Street he was in negotiations to buy late last month. Jackman paid between $20 and $23 million for the 11,032-square-foot pad, which was previously owned by Sun Microsystems co-founder Bill Joy. [NYO]
♦ NYC schools chancellor Joel Klein and his wife, Sony exec Nicole Seligman, are about to close on the Sag Harbor home of author Harry Hurt III and his wife, chef Alison Becker. The price is reportedly $2 million. [NYP]

Fashion star Zac Posen celebrates his 28th birthday today. Actor Kevin Kline is 61. Law & Order's B.D. Wong is 48. R&B singer Monica is turning 28. Shenae Grimes of 90210 is 19. Your favorite bisexual MTV personality, Tila Tequila, is 27. And Russian billionaire Roman Abramovich celebrates his 42nd birthday today. Weekend birthdays after the jump.

♦ Yesterday evening the New York Women's Foundation Fall Gala took place at Gotham Hall: Michael Bloomberg and Diana Taylor, Iman, Joel Klein and Nicole Seligman, Robert De Niro and Grace Hightower, Felicia Taylor, Jamie Niven, Herbert Wachtell, and Jonathan Farkas ate, drank, and watched a performance from the American Ballroom Theater Youth Dance Company. [Wireimage, PMc]

Joel Klein may be preparing to run for mayor, says Azi Paybarah of the Observer. It seems the Schools Chancellor "has been talking to political consultants who have laid out a road map for a potential mayoral candidacy." [NYO]

Joel Klein is the bald-pated nebbish who served as the chancellor of the city's schools system from 2002-2011 and has since buddied up with Rupert Murdoch as an executive as News Corporation.

• A reader emails us that her friend who works at the Daily Show suggested sending us the sign above because it was just so funny. Wow, working at Comedy Central must be really depressing.