Cityfile: New York's Most Notable and Influential

Happy Birthday | Diane Sawyer is two years away from officially becoming a senior citizen. It's her 63rd birthday today. Others celebrating on this chilly Monday: Chef Anita Lo is 43. Theater producer Daryl Roth is turning 64. Vanessa Paradis, the French singer/actress and longtime love of Johnny Depp, is turning 36. Ralph Fiennes is 46. Mia Tyler, the daughter of Steven and half-sister of Liv, is turning 30. American Idol winner Jordin Sparks turns 19. And Ali Lohan is 15 years old today.

• Jay-Z is in talks to sell a stake in his 40/40 club to the owners of Las Vegas' Venetian and Palazzo hotels for $44 million. The deal would also allow the club to expand to Europe, a continent clamoring for overpriced Cristal. [Page Six]
• The Olbermann-Page Six kerfuffle: apparently Olbermann doesn't want his network's new "citizen journalists" to appear on his show because they were picked as part of a contest with MySpace, which is owned by Rupert Murdoch's News Corp. [Page Six]
• Adrian Grenier has dumped girlfriend Isabel Lucas, possibly because he didn't like that she was with Shia LaBeouf during his drunken car crash three weeks ago. [People]