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 …

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 …

EXCLUSIVE: Bethenny Frankel Tells Us: I Quit The Real Housewives of New York!  —  After three seasons, Bethenny Frankel exclusively tells Us Weekly she is leaving the hit Bravo show.  —  “Last season was scary and painful,” she tells Us about why she's rejected Bravo's offers to return for season 4 …

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.

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.

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 …

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 …

IUC World Exclusive: Longtime Pal of Paris Hilton Claims Heiress Went to Bathroom To Hide Illegal Cargo In Her Vagina  —  A longtime pal of drug felony charged PH accused the spoiled wildchild of using her vagina as a hiding place for her stash.  “That's why the first thing she asked the cops …

WATCH: MEET THE NEWEST ‘TWILIGHT’ HUNK  —  ET's introducing you to one of the new castmembers of ‘The Twilight Saga: Breaking Dawn.’ ET correspondent Kate Gosselin chatted with new ‘Twilight’ hunk Rami Malek, at ET's exclusive Emmy party.  —  Malek told ET that he was thrilled about his upcoming role in …

Tiger Woods — The $54 Million Mortgage  —  With the real estate market still in the crapper ... Tiger Woods recently took out a $54.5 million mortgage for the mega-mansion he's building on Florida's exclusive Jupiter Island.  —  TMZ has obtained legal documents filed in Martin County on August 27 …

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 …

Heidi Pulls ‘Kill Switch’ on Sex Tape Negotiations  —  So much for Heidi and Spencer in XXX ... TMZ has learned the estranged couple has officially cut off negotiations with Vivid Entertainment honcho Steven Hirsch ... telling him they're no longer interested.

Meet the Cast of The Real Housewives of Beverly Hills  —  It's official!  The Real Housewives are invading Beverly Hills for the latest installment of the Bravo reality franchise, debuting Oct. 14 — and many of the casting rumors are turning out to be true.

Calvin Klein's Underwear Model Boyfriend Also Starred in Gay Porn  —  If the pictures of Calvin Klein's 20-year-old boyfriend we showed you earlier weren't revealing enough, don't worry.  You can see more of him in some of the gay porn that he made.  Don't worry, we're keeping it safe for work.

Jessica Alba deftly defies stereotypes, tries out new roles  —  LOS ANGELES — At first glance, Jessica Alba lives up to assumptions: beautiful, tall, glamorous and aloof.  But within a few minutes, the sex symbol turns on the charm, shedding the ice-princess aura for something friendlier and more engaging.

Man Lost $1.4 Million Corot Painting After Boozing, Suit Says  —  A guy walks into a bar with a $1.4 million Corot.  Stop us if you've heard this one.  —  Jean-Baptiste-Camille Corot's 1857-58 “Portrait of a Girl” is missing, according to a lawsuit filed in New York State Supreme Court.

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 …

George Clooney Looks to Chris Pine, Philip Seymour Hoffman, and Paul Giamatti for His Next Directorial Effort, Farragut North  —  Three years ago, George Clooney announced his intention to direct a big-screen adaptation of the off-Broadway play Farragut North, a political drama …

Samantha Ronson Faces Investigation in Dog Attack  —  Samantha Ronson says she's devastated after her bulldog Cadillac reportedly killed a tiny dog near her West Hollywood home.  —  “I feel incredibly sad and wish I could offer more than condolences,” Ronson wrote on her Twitter page.

Lindsay Lohan's Ill-Timed ‘Comeback’ Role  —  Poor Lindsay.  She can't catch a break.  —  Released early from rehab and suddenly free again to pursue personal and professional rehabilitation, Lindsay Lohan has an opportunity to re-enter the public consciousness with the seriousness of a newly clean starlet intent on sobriety.

Bristol Palin Plans to Wear the ‘Most Modest Outfits’ on DWTS  —  Bristol Palin might be stepping out of her comfort zone this season on Dancing With the Stars, but she won't be stepping into any of the show's skimpy costumes.  —  “I think I will be the most dressed [contestant and have] …

Cee-Lo's ‘F**k You’ Gets an Adorable Official Video  —  Cee-Lo Green's viral “F**k You” has finally got a video, and, like the song itself, it's pretty sweet.  (Though we have no idea how they're going to manipulate it to look like he's saying “Forget You,” should it ever air on television).