Cityfile: New York's Most Notable and Influential

Happy Birthday | Funny woman Amy Poehler turns 38 today. Mr. Jennifer Lopez, Marc Anthony, is turning 41. Mickey Rourke is 53. Lauren Bacall is celebrating her 85th. Harvard professor Henry Louis Gates turns 59. Magician David Copperfield is 53. Alexis Bledel of Gilmore Girls fame is turning 28. Nick Jonas of the Jonas Brothers is turning 17. Artist Christopher Wool is 54. Andy Serwer, Fortune's managing editor, is turning 50. Blues legend B.B. King is 84. And the man responsible for such '80s classics as "Endless Summer Nights" and "Right Here Waiting," Richard Marx, is 46 today.

At last night's opening night party for the New York City Ballet's David H. Koch Theater, guest of honor David Koch and wife Julia mingled with Candace Bushnell, Sarah Jessica Parker, Alicia Keys, Al Roker, Debbie Bancroft, Lisa Falcone, Mary Alice Stephenson, Alexandra Lebenthal, Zani Gugelmann, Annie Churchill, Peter Martins, Veronica Webb, Mark Indelicato, Blythe Danner, Valentino, Rachel Roy, Derek Lam, Peter Som, and Vanessa Williams, who all ate, drank, and danced to inaugurate the new Lincoln Center venue. [Wireimage, PMc, Style.com]More

Happy Birthday | It's a busy week for Amy Poehler. Last Saturday, she helped SNL score its highest ratings in years and then announced yesterday that she's planning to leave the show in November. Today she celebrates her birthday: She's 37. Also celebrating: Marc Anthony is 40 (although he held his big birthday blowout on Sunday at the Bowery Hotel.) Lauren Bacall is 84. Magician David Copperfield is 52. Nick Jonas is 16. Actress Alexis Bledel is 27. Mickey Rourke is 52. The artist Christopher Wool turns 53 today. Fortune's managing editor Andy Serwer is 49. Harvard professor and author Henry Louis Gates is 58. Televangelist Robert Schuller is 82. And blue's legend B.B. King is 83.