Letterman's gal cheated on new beau — with Dave!  —  Diary details steamy affair  —  Pretty former “Late Show” staffer Stephanie Birkitt revealed in her diary that she continued having sex with boss David Letterman even after moving in with her CBS-producer boyfriend …

EXCLUSIVE INTERVIEW: Michael Lohan Fears Prescription Drugs Are Killing Lindsay  —  Lindsay Lohan's Spring 2010 collection for Ungaro debuted over the weekend in Paris to lukewarm reviews.  But it was the actress's shockingly frail appearance that garnered the most attention.

Nicole Richie Banged Up in Car Accident  —  TMZ has learned Nicole Richie was just involved in a car accident in Beverly Hills.  —  Law enforcement sources tell us Richie was rear-ended by a car driven by a paparazzo.  We're told her kids were not in the car at the time of the crash.

Matt Lucas's ex-husband Kevin McGee hangs himself after leaving Facebook suicide note  —  The former husband of Matt Lucas has been found dead in his flat after hanging himself.  —  Kevin McGee, 32, who divorced the Little Britain star ten months ago at the High Court …

Exclusive: Gosselins May Have Big Loan  —  War Between The Gosselins  —  PHILADELPHIA - Deed and mortgage documents obtained by MyFoxPhilly.com show Jon and Kate Gosselin may have a large mortgage to deal with as part of their divorce settlement.  —  The documents were filed in Berks County in October 2008.

Ryan Jenkins's ‘Suicide Note’ Found on His Computer  —  Detectives searching reality show contestant Ryan Jenkins's hard drive in their investigation of his wife's murder say they have found a will Jenkins wrote three days before his suicide.  —  Buena Park police investigators say they consider the will a …

Heidi Klum's Identity Crisis  —  Heidi Klum has figured out one of the few ways on Earth to become less sexy ... she wants to change her exotic-sounding last name to “Samuel.”  —  Heidi filed documents in L.A. County Superior Court today, requesting she be allowed to take on the last name of her husband …

Exclusive: ‘Gossip Girl’ trio give ménage a try  —  Attention, Upper East Siders: OMFGWTFHOLLA!  —  Sources confirm to me exclusively that Gossip Girl's Nov. 9 episode will feature three major characters having sex.  At the same time.  In the same bed.  Together.  —  And I repeat: OMFHWTFHOLLA!

Brooke Shields Survives Minor Plane Crash  —  Brooke Shields and Jim Belushi survived a minor plane crash at the famous Hearst Castle a few days ago ... once again proving Brooke Shields is nothing short of a real life Zelig.  —  It all went down on Friday at the private landing strip …

‘We have NOT split’: George Michael denies rumours his 13-year relationship with Kenny Goss is over  —  George Michael has today hit back at claims his relationship with long-term lover Kenny Goss is over.  —  He branded reports the pair secretly split at Christmas after 13 years together ‘a complete fabrication.’

Bethenny Frankel: I'm Not Leaving NY Housewives!  —  Yes, Bethenny Frankel has landed her own reality show.  —  No, she is not leaving the Bravo hit, The Real Housewives of New York.  Yet.  —  “The spinoff news is totally true, but me being replaced after five episodes is totally false …

Kate Moss makes a boob at Yves Saint Laurent show  —  Kate Moss attends the spring/summer Yves Saint Laurent show at Paris Fashion Week  —  Kate Moss and Jamie Hince leave their hotel to attend the Yves Saint Laurent Pret a Porter Show as part of Paris Fashion Week

Kathryn Joosten Recovering from Lung Surgery  —  Emmy Award-winning Desperate Housewives actress Kathryn Joosten, 69, underwent surgery Monday morning in Los Angeles to remove a cancerous growth on her lung, PEOPLE has learned.  —  According to Joosten's rep, the actress's doctors believe …

Guns N' Roses sued for copyright infringement  —  German electro whizz Ulrich Schnauss alleges that Axl Rose borrowed from two of his songs for a Chinese Democracy track  —  Electronic musician Ulrich Schnauss has filed a lawsuit against Guns N' Roses, alleging that Axl Rose sampled two of his songs without permission.