Cityfile: New York's Most Notable and Influential

♦  Kate Moss is joining honorary chair Marc Jacobs as co-chair of the next Costume Institute Gala Benefit at the Met, along with Anna Wintour and Justin Timberlake. [Telegraph]
♦  Jacobs will also be hosting Housing Works Fashion for Action auction on November 13th. And it's not just his karma bank that's overflowing: He just signed a five year deal with Staff International SpA to produce a men's collection. [Fashionista, WWD]
♦  Mark your calendars: On November 25th, Sarah Jessica Parker's familiar voice will be the one you hear when you take the audio tour of the "Costume: The Art of Dress" exhibit at the Costume Institute. [The Pipeline]More

Spotted | Christy Turlington carrying her daughter in SoHo ...  Beyonce dressed up as a police officer on the set of her new music video ... John Mayer walking to the gym by himself ... Blake Lively carrying her dog in one hand and her coffee in the other ... Julianne Moore crossing a street in the West Village ... Taylor Momsen holding a can of soda on the Gossip Girl set ... Sienna Miller grabbing a drink downtown with an unidentified man ... Tom Cruise carrying Suri and glaring at photogs ... Julia Roberts pushing a doublewide stroller ... and Rachel Weisz and Darren Aronofsky holding hands on a walk.

• Britney Spears is supposedly furious with her mother over her upcoming tell-all, which accuses the pop star's former manager of grinding up pills and sneaking them into her meals. She should be in a better mood, however, after she reads all the positive reviews from her appearance on the VMAs last night, where she kicked off the show and later won three awards. [P6, NYP]
• Uma Thurman has been buying dresses two sizes larger than usual, which means she must be pregnant. [R&M]
  
• Beyonce showed off her engagement ring from Jay-Z for the first time on Friday night, an 18-carat diamond that cost more than $5 million. [People]
• Newlyweds James Gandolfini and Deborah Lin celebrated their wedding with a second reception inside a Manhattan loft on Friday night, where the Sopranos cast partied until the wee hours. [R&M]
• Fabian Basabe says his wife, Martina Borgomanero, is pregnant. He also is planning to open a restaurant in Coral Gables, in case you care. [P6] 

1) On Saturday night, Gwyneth Paltrow co-hosted "The Mane Event" to benefit Amaryllis Farm Equine Rescue with photographer Steven Klein at his West Kill Farm in Bridgehampton. Arden Wohl, Kiera Chaplin, Kelly Klein, Patrick McMullan, Sale Johnson, and Rory Tahari all made appearances, but hotly anticipated guest Madonna was a no show. [NYO/PMc]

2) In East Hampton on Saturday evening, Christy Turlington (left), Christie Brinkley, Abigail Breslin, Lizzie Grubman, Kelly Ripa, and Dina Lohan turned up at the Ross School for the school's annual summer benefit. Some 600 paid $1,500 a piece to hear the Jonas Brothers perform live. [Guest of a Guest, Newsday, NYO] More

• Lydia Hearst is no longer just a pretty face, says OK mag, now that she's joined the cast of Gossip Girl. We won't attempt to parse that logic, but focus instead on the delightful news that things are going well with Lydia's boyfriend Matt Rains, Heatherette designer Traver's brother. The couple enjoys "bowling, botanical gardens and walking through Central Park together." How wholesome! [OK]
• Naomi Campbell guest-edits the Mirror's showbiz column and vents about Kabbalah: "I knew about Kabbalah before Madonna got involved. Kabbalah is not a religion, it's a program. I don't like to get hooked on things like that. It reminds me of AA but just with different words." Well, anything that reminds Campbell of being told not to drink can't be appealing. [Mirror]