Cityfile: New York's Most Notable and Influential

• Cameron Douglas, the son of Michael Douglas, was arrested at the Gansevoort Hotel last week. The crime? He had about $18,000 worth of meth with him, which he was planning to sell. [NYP]
• Mischa Barton's return to the party scene this past weekend wasn't entirely drama-free. She got upset and talked "frantically" as she recounted an episode with a stalker. Then she had a drink spilled on her when she went to a party at the Cooper Square Hotel. [P6]
• So much for Bethenny Frankel's plans to star in her own reality show. She says she'll be back for the third season of Real Housewives of NYC. [People] More

Happy Birthday | Courtney Love turns 45 today. Tom Hanks is turning 53. Jack White is 34. Jimmy Smits is 54. Floyd Abrams, the famed First Amendment attorney (and father of Dan), turns 73. Author/neurologist Oliver Sacks is turning 76. Former defense secretary Donald Rumsfeld is 77. ACLU honcho Anthony Romero is 44. AIDS activist Mathilde Krim is turning 83. Architect Michael Graves turns75. Actor Chris Cooper is 58. Netscape co-founder Marc Andreessen turns 38. Author Dean Koontz is 64. Fred Savage of Wonder Years fame turns 33. Actress Kelly McGillis is 52. And OJ Simpson is celebrating his 62nd birthday behind bars today.

• George Clooney's ex-girlfriend Sarah Larson may have cheated on the actor when she had a "weekend fling" with a "media mogul," although it appears she's paying for her crime since her new boyfriend is a lowly nightlife promoter named Joey Vanas. [P6]
• Lindsay Lohan says her dad is an "embarrassment and a bully" who won't stop talking about her to the press because he's addicted to fame. Sounds about right. [The Sun]
• Naomi Campbell's Russian billionaire boyfriend Vladmir Doronin picked her up a $18.5 million penthouse apartment in Sao Paolo as a gift. [P6] 
• The next socialite guest star on Gossip Girl? That would be Cristina Greeven Cuomo. [P6]