Jay Leno and Conan O'Brien Turn on Each Other  —  The late-night barbs aren't stopping, and Jay Leno and Conan O'Brien have switched from making fun of NBC, to taking jabs at each other.  —  “Nobody knows what is going on.  Conan O'Brien, understandable, is very upset.  He had a statement in the paper yesterday.

R&B singer Pendergrass dead in Pa. at 59  —  NEW YORK (AP) — R&B singer Teddy Pendergrass, who was one of the most electric and successful figures in music until a car crash 28 years ago left him in a wheelchair, has died of colon cancer.  He was 59.  —  Pendergrass died Wednesday …

Michael C. Hall says he's being treated for cancer  —  Buzz up!  —  LOS ANGELES - “Dexter” star Michael C. Hall is undergoing treatment for cancer and the disease is in remission, a spokesman said.  —  “I feel fortunate to have been diagnosed with an imminently treatable and curable condition …

Kidnapping 911 Call at Heidi and Spencer's  —  UPDATE: The man who was cuffed and put in the police car has been released.  He says he works for Spencer Pratt.  —  The LAPD received a call for a “possible kidnapping” at the Los Angeles home of Heidi and Spencer Pratt ... sources tell TMZ.

Brad Pitt & Angelina Jolie ‘Devastated’ By Haitian Earthquake, Donate $1 Million To Help  —  Angelina Jolie,Brad Pitt,Diddy,Paris Hilton,Ben Stiller,Lindsay Lohan,American Idol,Paula Abdul,Nicole Richie,Ashton Kutcher,More Tags...  Some of Hollywood's biggest names are rallying their fans …

Rep: Katy Perry Is Not Pregnant  —  Despite the rumors circulating online, Katy Perry is not pregnant.  —  The star's rep tells UsMagazine.com that reports claiming Perry — who got engaged to Russell Brand on New Year's Eve in India — was getting a sonogram and showing off a baby bump were “not true.”

The Bachelor's Bob Guiney and Wife Rebecca Budig Split  —  It looks like Bob Guiney is a bachelor once again.  —  The reality star — who became beloved as the jovial, self-effacing regular guy looking for love with Trista Rehn (now Trista Sutter) on The Bachelorette and then as the star …

EXCLUSIVE: Kate Gosselin Hates Her $7,000 Hair Extensions!  —  Hair today, tears tomorrow?  —  Kate Gosselin, 34, marked the new year by trading in her signature spiky bob for long, blonde locks in a process that took 20 hours of work and would normally cost $7,000 (hers was comped).

Elton and ‘American Idol’ - Is the Bitch Back?  —  So TMZ may have led the way in the search for Simon Cowell's replacement on “American Idol.”  —  On TMZ TV — the day Simon announced he was leaving — we floated Elton John as the guy who should take Simon's seat.

Paramount eyeing ‘Four Brothers’ sequel  —  Mark Wahlberg will star; most of creative team to return  —  Paramount is developing a sequel to its 2005 thriller “Four Brothers,” bringing back many of the creative team for “Five Brothers.”  —  Mark Wahlberg eyeing a return to star and hatched …

Tila's Relationship with Casey — Publicity Stunt  —  Tila Tequila's relationship with Casey Johnson was nothing more than a publicity stunt ... this, from Casey's own mouth in the weeks before her death.  —  We've learned two of Casey's friends have come forward and said they each received separate calls …

Sutherland wears dress on ‘Letterman’  —  Kiefer Sutherland donned a dress for his appearance on last night's instalment of The Late Show With David Letterman.  —  The 24 star joined Letterman on stage wearing army boots and a green patterned dress with a long-sleeved white shirt underneath.

FIRST LOOK: Adam Lambert Sits Down with Oprah  —  It's hardly like Adam Lambert to be anything but upfront, so the recent mystery about his possible appearing with Oprah Winfrey on her show was a bit baffling.  But baffle no more.  —  While the American Idol sensation addressed the rumors …

Ask Ausiello: Spoilers on 'Grey's,' ‘House,’ ‘Glee,’ ‘Bones,’ and more!  —  Got a scoop request?  An anonymous tip you're dying to share?  Just want to say hi?  You can send any/all of the above to ausielloscoop@ew.com  —  Question: What's coming up for Sam and Addison on Private Practice?

Jesse McCartney - No Nude Photo, Or Else  —  Jesse McCartney wants everyone to know ... if you publish a nude photo of him — even one that looks like him — he'll sue you.  —  The photo is floating around ... showing what looks like a naked McCartney all by his lonesome, laying on a bed with a candy G-string, fully exposed.