TASTE OF RACHAEL  —  RACHAEL Ray was attacked by a dog in Union Square Park Saturday while bravely defending her pit-bull mix, Isaboo.  According to the TV host's rep, "This dog came up - there was no owner in sight - and became aggressive.  Rachael and some others shooed it away, but it came back and attacked Isaboo.

Kevin Federline Takes the Kids to Vegas  —  While Britney Spears remained in rehab, Kevin Federline headed to Las Vegas last weekend - with the kids.  —  Federline was in town for a long-planned paid appearance at the Mirage Hotel & Casino lounge Revolution, sources tell PEOPLE.

TIGHT SCRUTINY  —  JAKE Gyllenhaal is way beyond the simple choice of boxers vs. briefs.  A shopper in Bloomingdale's underwear department recently watched the "Brokeback Mountain" star with a salesman "combing through every style . . . A good 10 minutes later, Jake was still at it …

Naomi to sweep corridors as punishment for 'maid' assault  —  Naomi Campbell will be made to work as a cleaner as punishment for attacking her maid, according to US reports.  The supermodel is set to be told to mop floors and sweep corridors at a New York city public building in the coming months, according to the New York Daily News.

PRICE TAG FOR ISAIAH SLUR  —  KATHERINE Heigl got into a dispute with ABC over her "Grey's Anatomy" salary last week - claiming she wanted to be paid as much as co-stars Sandra Oh and Isaiah Washington - but we hear things aren't going so well for Washington, either.

Cast as Oscar outsiders  —  Unless you think Ronald Reagan would've been better than Humphrey Bogart as Rick in "Casablanca" — which nearly happened — or if you see the genius of casting in "Chinatown," "Bonnie and Clyde" and "Little Miss Sunshine," you can appreciate what a casting director does for a movie.

Sean 'Diddy' Combs Denies Assault Claim  —  Sean "Diddy" Combs is denying that he assaulted a man in February.  —  The alleged victim, Gerard Rechnitzer, filed a lawsuit on Friday claiming that Diddy punched him outside the Hollywood Roosevelt Hotel on Feb. 25.  He is seeking an undisclosed amount exceeding $25,000.

Liz's Wedding Drama: Why Ex Hugh Grant Didn't Show!  —  Actress Elizabeth Hurley, 41, and Indian businessman Arun Nayar, 42, wed twice over the weekend.  The couple had a private civil ceremony on Friday, followed by a religious service the following day, both at Sudeley Castle in Winchcombe, Gloucestershire.

PARIS IN GROCERY CART BATTLE  —  WHAM!  BAM!...THANK YOU, PARIS!  After a slam-bang shopping cart attack, PARIS HILTON was asked to leave a BevHills market.  The bizarre cart-fight began when Haughty Hilton ordered a female shopper to stop blocking the aisle with her cart.

Braff cleans up with 'Scrubs' payday  —  Zach Braff is about to land a big payday, as long as "Scrubs" gets renewed by NBC for a seventh season.  —  The multihyphenate has cut a one-year deal with "Scrubs" producer ABC TV Studio that will pay him in the neighborhood of $350,000 per episode …

Simon on Britney: 'I couldn't care less'  —  Plus, Madonna takes religious holiday back to roaring '20s  —  Simon Cowell has no sympathy for Britney Spears.  —  The "American Idol" judge says that the singer's recent meltdown and rehab stint are "fashionable" and an "indulgence."

A sore subject for Smith  —  Get well soon, Will Smith!  —  The leading man (right) is being treated at the Hospital for Special Surgery on the upper East Side, his rep confirms.  "Will strained his shoulder on Thursday morning and after work immediately went to the hospital," his spokeswoman told us yesterday.

Maher Fudges Vp Death Wish  —  BILL Maher, who was fired by ABC for his big mouth, raised hackles at HBO after seeming to express regret that Vice President Dick Cheney wasn't killed in an Iraqi bombing last week.  —  The host of "Real Time" complained on Friday's show that comments posted …

What the F*ck Happened to Vince Vaugn?  —  Where did that tall, cool drink of water from Swingers (that I used to have a major crush on) go?  This guy looks like he stayed up all night in Vegas, (baby), lost a buttload of cash, downed a fifth of Jack, an entire pack of cigarettes and a dozen Krispy Kreme donuts!

Beatty and Hyde  —  Hyde is officially expanding it's reach- and catering to Hollywood's AARP set by rolling out the red carpet for Warren Beatty!  —  The hot club, known for being the site of numerous trainwreck turnaways, including Tara Reid, Chyna and even Bobby Brown …

Eva Mendes Nude Pictures  —  Despite being top spot at the box office for two weeks in a row, I haven't heard a single good thing about Ghost Rider.  I have heard, or seen, rather, very good things about Eva Mendes, who stars as the love interest in the film.

Sharon Stone is looking, uh, not young  —  Sharon Stone and her son were spotted at a flea market in Los Angeles over the weekend and Sharon looked pissed as hell.  I'd probably be pretty angry too if I looked like her.  Jesus, what happened?  I've seen corpses that looked more healthy and youthful than this.

Ashlee's Working on a New Album!  —  We caught up with Ashlee as she dropped some cash at Tracy Ross on Sunset before heading back to the Jim Henson Studios (which used to be the home of A&M Records) with a friend.  We asked her if she was working on a new album and she said yes!