Cityfile: New York's Most Notable and Influential

Happy Birthday | Janice Min, who recently stepped down as the editor of Us Weekly, is celebrating her 40th birthday today. Martha Nelson, the woman who oversees People, is turning 57. Weatherman Sam Champion is 48. Sebastian Stan of Gossip Girl is turning 26. Danny Bonaduce is 50. Author and screenwriter Tom Perrotta is turning 48. Agnes Gund, the former president of the Museum of Modern Art, is 71. Former U.S. Surgeon General Joycelyn Elders is turning 76. And ex-Cuban president Fidel Castro turns 83 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 | New York City's favorite gay, orange-hued weatherman Sam Champion, turns 47 today. Us Weekly editor Janice Min is also celebrating. It's her 39th birthday today, which makes her approximately 25 years older than the average Us reader. She isn't the only magazine star who will be munching on cake in the office today: Martha Nelson of People is 56. Other birthdays: Fidel Castro is 82, Danny Bonaduce is 49, and art maven (and heiress) Agnes Gund turns 70. And actor Sebastian Stan, who may be better known as Leighton Meester's boyfriend, turns 25.