Amy's brain scan after rehab  —  and VIRGINIA WHEELER  —  TROUBLED AMY WINEHOUSE sensationally walked out of rehab yesterday — then took a helicopter to London for a brain scan.  —  The heroin and cocaine-addicted singer quit after less than 48 hours — despite her worried parents' pleas to stay.

Britney Finds Herself an Angel  —  Another night, another hookup for Britney Spears!  Her latest conquest?  Notorious womanizer Criss Angel, 39.  —  Cameron Diaz's former fling was seen escorting the pop star inside the Tower Beverly Hills Hotel on Wednesday night, where the two held hands and headed up to a suite on the 11th floor.

BIEL'S GOING BARE  —  SHE'S been shy about bearing her bod every since her racy Gear magazine spread hit stands in 2000, but Jessica Biel plans to shed her threads in the upcoming movie "Powder Blue," which co-stars Forest Whitaker.  Us Weekly reports that she'll play a...

POP PRINCE HOT FOR DIAZ  —  WHEN John Mayer was snapped having lunch with Mandy Moore at La Esquina on Tuesday, it sparked rumors of a love match between them.  But Mayer has his sights set on a more glamorous Hollywood gal - Cameron Diaz .  The same day, Mayer took Diaz to an intimate …

Joel Madden Set to Pop Question to Nicole Richie?  —  Joel Madden has something special in store for girlfriend Nicole Richie: "a little ring," as Regis Philbin called it on live, national television Thursday morning.  —  Appearing with his band, Good Charlotte, on ABC's Live! with Regis and Kelly …

Sex, romps and paparazzi: Britney Spears breaks down as custody battle gets dirty  —  A tearful Britney broke down after visiting her lawyer to discuss her increasingly dirty custody battle.  —  Ex-husband Kevin Federline has served legal papers on some of the stars closest friends associates …

Heidi Klum Brings the Sexy Back After Her Third Child  —  Klum in a new Jordache ad  —  Less than a year after having her third child, Heidi Klum has returned to high-profile modeling with sexy new Jordache ads in which she wears little more than jeans and a stare.  —  So how has she managed a supermodel body after baby?

NOT REALLY REAL  —  THEY call MTV's "The Hills" a "reality" show, but we've had our doubts for some time.  Fueling our skepticism, on Tuesday night, the star, Lauren Conrad, showed up at Da Silvano for dinner with three friends and a camera crew.  One irked diner told us, "It was clear that this show is not a reality show.

Bored like Beckham: Posh fails to crack a smile as David finally scores for Galaxy  —  Weeks after their much-hyped arrival in the US, with his debut delayed due to a pesky ankle injury, David Beckham finally scored for team LA Galaxy - but wife Victoria remained strangely unmoved.

Hit The Brakes!  —  Angeina Jolie shot a stunt on top of a Dodger Viper for "Wanted" last night in Chicago.  Filming is expected to wrap in a couple of weeks.  The film is about...well..who cares...it has Angie in it.  —  That dude driving the car is probably in love with her now that he's seen the cat and been hypnotized by it.

Backstreet Boy Howie Dorough to Marry  —  Backstreet Boy Howie Dorough and his longtime girlfriend, Leigh Boniello, are engaged, the couple tell PEOPLE exclusively.  —  They plan to marry later this year.  —  "She wasn't expecting it, and I was quite nervous - more nervous about proposing …

Gwen Stefani Can't Wait to Get Pregnant Again  —  Calling herself "a geeky Orange County girl, a chola girl, a rasta girl and an English girl - all mixed together," Gwen Stefani has no mixed feelings about one thing: producing a sibling for her 1-year-old son Kingston.

RED OVER PINK  —  AN avant-garde Manhattan painter is suing Pink for copyright infringement, saying the pop cutie used one of his works in a 2006 music video.  In his case filed in Manhattan District Court, Vladimir Kush charges Pink and her record company, Zomba...

'Those things weren't mine'  —  KEIRA KNIGHTLEY has admitted the curves she shows off in a new Chanel perfume advert aren't heaven-scent.  —  The Hollywood babe poses in the altogether with a bowler hat covering her modesty for Chanel's Coco Mademoiselle.  —  But she revealed: "Those things certainly weren't mine.

Pink's Husband Dismisses Cheating Story  —  Pink's husband Corey Hart has denied reports he's cheating on the singer with a woman he was spotted canoodling with in a Hollywood nightclub recently.  On August 4, while Pink was on tour in Europe, the motocross champion allegedly got up close and personal with a young beauty.

Truly Awful Music: Heidi Montag's "Body Language"  —  Heidi Montag debuted her new song "Body Language" on Ryan Seacrest's morning show on 102.7 KISS-FM this morning.  She samples Yaz's "Situation" to the max and ruins the hell out of it.  The song is your typical rip-off, but Heid's douche, Spencer Pratt, RAPS IN IT.

Britney Spears's Allure Magazine Photos Revealed  —  With Britney Spears tipped to be Allure magazine's September cover model, rumors spread that the pop star acted erratic - both uncooperative and unfocused - during her new cover shoot.  —  But Allure's editor in chief, Linda Wells …