Diddy-Diddling Denial

Kim Porter is in denial that Diddy is diddling Sienna Miller. (Also, his famous White Party is slated for September 2). Britney Spears was in a fender bender, after which she announced, "I'm a braniac!" On-again, off-again couple Marc Jacobs and Jason Preston are back on. Jeffrey Chodorow is keeping China Grill closed for a few extra days to get a new fridge and get rid of some insects. Phoenix Sun point guard Steve Nash got into a pickup soccer game at Central Park and scored two goals. The Freakanomics guys are moving their blog to the New York Times. Mort Zuckerman gets Harry Evan to help him write his weekly column in U.S. News. Chevy Chase found a $20 bill at a Hillary Clinton fund-raiser in the Hamptons. George Pataki is being considered for an ambassadorship.

Mena Suvari is a thespian, not a lesbian. Barron Hilton, teenage brother of Paris and Nicky, is making the NYC-Hamptons club rounds. Taylor Stein's illegitimate kid with William Lauder will be financially taken care of, says Lauder spokesman Howard Rubenstein. The artist formerly known as JT LeRoy told Cindy Adams a long, long sob story about being too poor to pay off the film exec who sued her and won. At least two gangs have robbed 150 homes in Beverly Hills, Bel-Air, and Brentwood over the past four years to the tune of $20 million in booty. Sex-tape star Kim Kardashian is getting her own show on E! Philip Seymour Hoffman and Cynthia Rowley both had birthday parties at Fresno in East Hampton.