Cityfile: New York's Most Notable and Influential

Happy Birthday | Two Seymours are celebrating today: Stephanie Seymour is turning 41; Philip Seymour Hoffman is turning 42. Woody Harrelson is 48. Daniel Radcliffe is 20. Don Imus turns 69. Michelle Williams of Destiny's Child is turning 29. Supreme Court Justice Anthony Kennedy turns 73. Local news anchor Kaity Tong is 60. Actress Stephanie March is turning 35. The New Yorker's Hendrik Hertzberg is 66. Estate jeweler Fred Leighton turns 77. LA Times columnist Joel Stein is turning 38. Slash from Guns N' Roses is 44. Marlon Wayans is 37. Interior designer David Kleinberg is 55. Country music star Alison Krauss turns 38.  And Ms. Monica Lewinsky celebrates her 36th birthday today.

Adrian Grenier and Jessica Stam hosted Scott Harrison's third annual Charity: Water benefit last night at the Metropolitan Pavillion. Attendees at the event included Richie Rich, Olivia Palermo, Whitney Port, Byrdie Bell, Andrew Saffir and Daniel Benedict, Rocco DiSpirito, Jenna Elfman, Emma Snowdon-Jones, Jamison Ernest, Cee-Lo, and models Larissa Bond and Masha Rudenko. [PMc, Wireimage, GoaG] More

Happy Birthday | The still-stunning Stephanie Seymour turns 40 today. Also celebrating: Aged radio personality Don Imus is 68, Philip Seymour Hoffman is 41, and local news institution Kaity Tong is 59. Estate jeweler Fred Leighton (who is actually named Murray Mondschein) is 76. Harry Potter's Daniel Radcliffe is turning 19. Omar Epps is 35. The New Yorker's Hendrik "Rick" Hertzberg is turning 65. And former Law & Order actress Stephanie March will celebrate her 34th birthday tonight, an event that we imagine will be commemorated with an extravagant meal alongside husband, Bobby Flay.