David Arquette: We Haven't Had Sex in Months  —  David Arquette just called in to the Howard Stern Show — explaining EVERYTHING about why he and Courteney Cox agreed to take a “trial separation” ... noting that they haven't had sex in 4 months.  —  Arquette explained that he and Courteney …

Christina Aguilera Splits From Husband  —  And though Aguilera and Bratman — who met in 2002 (he was a producer on one of her albums) and wed in 2005 — have not yet decided whether to divorce, the source reveals, “they are now living apart, and they will see how that goes.”  —  What went wrong?

Jim Carrey Rebounds and Scores ... with Hot Brunette  —  Jim Carrey cracked the biggest smile on the planet at a rooftop party in NYC this past Saturday — and we're guessing it had a lot to do with that smoking hot brunette in his arms.  —  It's been 6 months since Jim called it quits …

The Situation Storms Off DWTS Set Over Bad Scores  —  A sad Situation.  —  After scoring the lowest on Monday's Dancing With the Stars, Mike Sorrentino was later spotted sulking in the parking lot, smoking a cigarette and shaking his head while a friend tried to console him.

VIDEO: Eric Stoltz as the original Marty McFly  —  Never-before-seen clip of the first ‘Back to the Future’ star  —  Everyone knows the classic 1985 film “Back to the Future” featured a boyish Michael J. Fox in a winning performance as Marty McFly.  —  But Fox was not the original McFly.

Who Was Worse: The Situation or Bristol Palin?  —  The two most talked-about celebs on ‘Dancing With the Stars’ had rrrrrrough nights on Monday, with Mike “The Situation” Sorrentino displaying some un-fancy footwork during a tango and Bristol Palin gyrating sexily to a rumba with her parents watching in [horror] delight.

Hot Slut Of The Day!  —  Dianne Rochenski, the Rat Mom of Manhattan!  —  Some hos do the Spider-Man ceiling cling whenever they see a rat, but Dianne Rochenski explodes into a hurricane of maternal love and showers the rat with kisses and hugs.  Dianne's two pet domesticated rats …

Watch Lady Gaga on ‘The Sopranos’ — Age 15!  —  Check out this clip of Lady Gaga in an episode of The Sopranos from almost a decade ago!  —  Gaga, a.k.a. Stefani Germanotta, 24, was featured in the hit HBO show's ninth episode during season three titled “The Telltale Moozadell.”

Andy Richter Joins Conan On His TBS Show  —  Conan O'Brian's long-time side kick Andy Richter will join him on O'Brien's upcoming late-night talk show on TBS Conan, which premieres on November 8.  Richter rose to fame on Late Night with Conan O'Brien on NBC where he spent 7 years before leaving in 2000 to pursue acting career.

Katie, Wagner tipped for ‘X Factor’ exit  —  Katie Waissel and Wagner Carrilho have been tipped to become the next acts booted off The X Factor.  —  The duo are currently the favourites with Paddy Power to be voted out of the show in what is expected to be another double elimination this weekend.

Laura Dern/Ben Harper Divorce Docs  —  TMZ has obtained a copy of the divorce documents Ben Harper filed Friday, asking for a divorce from Laura Dern.  —  As we first reported, Ben claims he's been separated from Laura since January.  Now we know the specific date — Harper claims the date of separation is New Year's Day.

‘Celebrity Apprentice’ exclusive: La Toya Jackson, Mark McGrath, and Star Jones in next cast  —  While the current (non-celebrity) edition of The Apprentice plays out to record low ratings, fans of absurdity and stars being forced into awesomely ridiculous scenarios can rejoice in the fact …

The rapper tries his hand at flipping homes for ‘The Vanilla Ice Project’ on the DIY Network  —  Vanilla Ice was once a punch line for bad rap jokes.  —  These days, the rapper, who in 1990 had the hit “Ice Ice Baby,” is laughing all the way to the bank.  —  And he's doing so by dropping hot words …

Taylor Swift Apologizes to Ex-Boyfriend Taylor Lautner Through New Song  —  Remember when Taylor Swift and Taylor Lautner were first spotted together?  It didn't take long before the blonde country cutie and the handsome, jacked-up werewolf became Hollywood's newest it couple.