Exclusive: Ashton Kutcher Caught Cheating on Demi Moore!  —  Their 15-year age gap always made Ashton Kutcher and Demi Moore seem like an unlikely match.  And now, just five years after getting married, the couple's relationship is in danger of falling apart as Star breaks the bombshell news …

‘New Jersey Housewife’ — Double My Pay or I'll Quit!  —  TMZ has learned “Real Housewives of New Jersey” star Teresa Giudice is “ready to walk away” from the show unless producers cough up “Jersey Shore money” ... and fast!!!  —  Sources connected to the show tell us “several of the women …

Kim Kardashian: Why I Won't End Up Like Paris Hilton  —  Kim Kardashian's frenemy Paris Hilton was arrested over the weekend for felony cocaine possession — her third link to drugs this summer.  —  How has Kardashian, 30, managed to stay out of trouble?  —  “I've never been a drinker …

Who turned down ‘Dancing With the Stars’  —  Exclu: We've seen who will cut a rug on the next “Dancing With the Stars.”  But do you know who turned ABC down?  —  According to a source involved with casting, the network approached Facebook creator Mark Zuckerberg to join the dance card …

EXCLUSIVE: Jon Gosselin Threatened To Report Kate To Child Protective Services Unless She Gave Him Money, Says Ex  —  Jon Gosselin threatened to report his then-wife Kate to Child Protective Services unless she gave him a large sum of money, RadarOnline.com is reporting exclusively.

Conan O'Brien Announces the Name of His New TV Show on Vulture!  —  Ladies and gentleman, summer 2010's greatest pop-culture mystery is about to be solved: No, not the identity of the new American Idol judges, the other greatest mystery.  Today, Conan O'Brien officially announces the exact name …

Jodie Sweetin Has a Baby Girl  —  Jodie Sweetin has a full house of her own.  —  The actress, 28, welcomed her second child, a baby girl named Beatrix, on Tuesday with her boyfriend Morty Coyle.  —  “Jodie was amazing and is doing great,” Coyle tells PEOPLE.

Radiation, Chemo ‘Really Knocks You Out’  —  Michael Douglas knows he has a tough road ahead - but he's ready to face it.  —  “It's a fight,” says the 65-year-old Oscar winner, who is undergoing a grueling course of radiation and chemotherapy to treat a tumor at the base of his tongue …

Review: “Black Swan”  —  Resembling a “Red Shoes” on acid, “Black Swan” takes the idea of giving one's all for art to a morbid extreme.  Applying the gritty handheld technique he successfully employed in the working class environs of “The Wrestler” to the rarefied domain of classical ballet …

Gunn's blazing: TV's favorite fashion guru Tim unleashes some serious dish  —  Tim Gunn built his reputation on being sweet, supportive and scrupulously polite.  So why, in his latest book, does he spend key pages flinging mud and gorging on gossip?  —  In the deceptively titled …

Miley Cyrus Goes “Overboard” With Justin Bieber for Bieber Bio  —  And Katy Perry thought she was the one with the teenage dream.  —  A bunch of major pop-R&B stars—ranging from his mentors, Usher and Ludacris, to Motown Philly's finest, Boyz II Men—joined an all-better Justin Bieber …

Lindsay Lohan Disinvited From Machete Premiere  —  She's done the time, but Lindsay Lohan is still paying for her crime!  —  Though the actress was released from postjail rehab on Aug. 24 after 22 days, a source tells the new Us Weekly Robert Rodriguez, co­director of her new movie …

Kelly Bensimon to Departing Housewife Bethenny Frankel: Good Luck!  —  On Tuesday afternoon, UsMagazine.com broke the news that Bethenny Frankel is leaving Real Housewives of New York after three seasons.  ("Last season was scary and painful," Frankel told Us exclusively.)

Dwayne Johnson to star in ‘Journey to the Center of the Earth’ sequel (exclusive)  —  Dwayne Johnson is strapping on a backpack for New Line's “Journey 2: The Mysterious Island,” the sequel to “Journey to the Center of the Earth 3D.”  —  Brad Peyton is on board to direct the film …

Hostage 911 at Discovery Channel — Man with Gun  —  A man wielding a gun and possibly carrying an explosive device is holed up at the Discovery Channel headquarters in Silver Spring, MD — and now he's been identified by the network as radical environmentalist — James Jay Lee — who has had a grudge against Discovery for years.

Stabbing Details Emerge at Trial of 40-Year-Old Virgin Actor  —  Shelley Malil in The 40-Year-Old Virgin  —  Shelley Malil, an actor best known for playing an electronics-store clerk in The 40-Year-Old Virgin, calmly walked up to his ex-girlfriend Kendra Beebe in her backyard two years ago …

Jesse James & Kat Von D Pucker Up in Texas  —  Jesse James and Kat Von D are done hiding their love for each other and were photographed affectionately kissing at the Austin Airport before she caught her flight.  —  The two lovebirds were spotted kissing, holding hands and riding motorcycles …

Hot Property: JJ Abrams, Elizabeth Sarnoff To Shop ‘Alcatraz’ Drama  —  EXCLUSIVE: JJ Abrams and Lost executive producer Elizabeth Sarnoff are heading to another island.  I hear Abrams and his Warner Bros. TV-based Bad Robot are about to take out to the networks Alcatraz, a drama spec script written by Sarnoff.

EXCLUSIVE: Kim Kardashian: “Kourtney and Scott Are Not Separated”  —  “Kourtney & Scott — Separated!” screams the new cover of In Touch.  —  But sister Kim tells UsMagazine.com that couldn't be further from the truth.  —  “Kourtney and Scott are not separated,” she tells Us.

Mischa Barton Runs Errands in Schizophrenic Ensemble  —  We have a bit of a Mischa Barton obsession.  The actress makes so many fashion faux pas, and yet she refuses to improve.  And strangely, we sort of admire that.  It's just really big mistake after really big mistake, and still …