Cityfile: New York's Most Notable and Influential

• A new month is approaching, so it's time for Russell Simmons to drop the twentysomething model he's been dating and move on to a new twentysomething model. But there are signs the 51-year-old is maturing: Julie Henderson, age 23, has been replaced by French model Noemie Lenoir (right), who is a positively aged 29. [P6]
• A drunken Jonathan Rhys Meyers was detained by the authorities in Paris yesterday after he punched a waiter in an airport lounge. [Us, People]
• Audrina Patridge is saying goodbye to The Hills so she can take part in a new, Mark Burnett-produced reality show for MTV. [NYDN]
• Ricky Martin did not come out of the closet in an interview with a Spanish magazine the other day. He's still inside. Carry on. [Advocate]

Happy Birthday | Seth Rogen turns 27 today. Actress Emma Thompson is 50. Jason Sehorn, the former NFL cornerback and husband of Angie Harmon, is 38. Olympic swimmer Dara Torres is turning 42. Songwriter Linda Perry is 44. Socialite Jamee Gregory turns 60. And Harry Potter star Emma Watson turns 19 today.

Spottings | Kate Hudson and son Ryder crossing a street in the Village ... America's Next Top Model's Jay Manuel leaving the ABC studios ... Madonna and Lourdes leaving the Kabbalah center ... Seth Rogen playing outside Late Night with David Letterman ... Bernadette Peters walking into a Midtown office buidling ... Lindsay Price taking a stroll downtown with her mom ... David Cross and Amber Tamblyn walking David's dog through the East Village ... the cast of Sisterhood of the Traveling Pants outside TRL ... Shaquille O'Neal leaving his hotel in Midtown ... Leighton Meester getting in a limo at JFK ... and Aubrey O'Day and Lydia Hearst holding hands on their way out of Butter and kissing in the limo waiting outside.