Exclusive: Katherine Heigl takes 'Grey's Anatomy' leave of absence  —  Katherine Heigl won't have to worry about putting in long hours on the Grey's Anatomy set for much longer.  Sources confirm to me exclusively that the actress is taking a five-episode hiatus from the ABC drama to go shoot …

Spencer Pratt Threatens “Divorce” if Heidi Gets Pregnant  —  Are Spencer Pratt and Heidi Montag headed to divorce court?  —  Possibly — if Heidi, 22, gets pregnant.  —  “He said, 'That's the quickest way to divorce,'” she tells MTV News.  “I said, 'No, sucker — you'll be locked in.

Jon Gosselin Speaks Out  —  The Father of Eight Says He ‘Took a Lot of Abuse’ From Wife Kate  —  After 10 years of marriage, Jon Gosselin says he is done with taking “a lot of abuse” from his soon-to-be ex-wife Kate Gosselin.  —  “She'll call me like, almost like a lame fish.

Kathy Griffin: Plastic Surgery and Diet Pill Confessions  —  Sure, she may have the confidence to strut around in a bikini now, but for years Kathy Griffin struggled with low self-esteem.  —  “What I can't figure out is why I wasted time worrying about my looks.  I am a comedian.

Levi Johnston: “Me and Mrs. Palin”  —  Left, photograph by Nigel Parry/CPi Syndication.  Right, photograph by Mark Seliger.  —  Three days after Sarah Palin was announced as the Republican vice-presidential candidate, the McCain campaign released a statement saying that her 17-year-old unwed daughter, Bristol, was pregnant.

DJ AM Funeral Today  —  DJ AM will rest in peace today.  —  E! News has exclusively learned that the celebrity turntablist otherwise known as Adam Goldstein will be buried at 3 p.m. at the Hillside Memorial Park and Mortuary in West Los Angeles following a private funeral on site.

Fox: 'I'm schizophrenic'  —  Sexy Megan Fox has a secret she's been hiding from her legions of fans - she suffers “bouts of schizophrenia.”  —  The Transformers star admits she has struggled with mental health problems since her youth, and, although she hasn't been officially diagnosed …

Tony Romo Is Dating Chace Crawford's Younger Sister  —  Tony Romo has another hot new blonde.  —  The Dallas Cowboys quarterback, 29, is dating Chace Crawford's little sister, Candice, a 22-year-old beauty queen who looks strikingly similar to Romo's ex Jessica Simpson, a source close to Romo confirms to Usmagazine.com.

Jay-Z: Beyonce and I “Offended” People When We Wed  —  Jay-Z says not everyone was thrilled when he wed Beyonce.  —  In October's O: The Oprah Magazine, he tells Oprah Winfrey they managed to keep their April 2008 wedding a secret thanks to “late planning.”

Madonna's mini-me: Lourdes recreates her mother's famous Like A Virgin pose  —  Trussed up in white wedding dress and veil, Madonna's daughter Lourdes recreates her mother's famous wedding dress pose in the Eighties hit song Like A Virgin.  —  The 12-year-old wears lashings of red lipstick …

Holly Madison: ‘Hef Brought Down My Self-Esteem’  —  The ‘Girls Next Door’ always seemed like the picture of confidence, but former Playboy Playmate Holly Madison reveals that life with Hugh Hefner wasn't great for her self-esteem.  In an interview with Life & Style given exclusively to PopEater …

Robert Pattinson & Kristen Stewart: Engaged!  —  Devoted readers of Stephenie Meyer's Twilight saga know that Eclipse is the volume in which conflicted vampire Edward Cullen and reluctant virgin Bella Swan finally get engaged.  —  That means, of course, that at some point on the Vancouver set …

Cate Blanchett Suffers Head Injury on Stage  —  Cate Blanchett suffered a head injury Wednesday after she was hit by a prop during a live performance in her native Australia, according to reports.  —  The actress, 40, was performing in A Streetcar Named Desire at The Sydney Theatre Company …

Saturday Night Live hires!  Jenny Slate and Nasim Pedrad join the SNL cast  —  The 35th season of NBC's Saturday Night Live reportedly will add to its female cast, with knowledgeable folk filling me in on two new hires in Jenny Slate and Nasim Pedrad!  —  SNL staff began work this week …

Michael Jackson's Secret Operation Reveals Why He May Not Be His Kids' Father!  —  There are all kinds of rumors and stories flying around about Michael Jackson and his poor kids.  Frankly, most of what we hear has been completely ridiculous, but this story stood out above the pack.

EXCLUSIVE: Charlie Watts Quits The Rolling Stones  —  Undercover has learned that Charlie Watts has quit The Rolling Stones.  —  A source within the Stones inner-circle says, “Charlie Watts has quit the band.  He will never record or tour with the band again”.  —  The news does not come as a surprise.

Ritchie Locked for Lobo  —  Warner Bros. has locked Guy Ritchie to direct “Lobo,” the live action adaptation of the DC Comics drama about an alien interstellar bounty hunter.  —  Don Payne wrote the most recent script draft, and Joel Silver, Akiva Goldsman and Andrew Rona will produce.

Exclusive: ‘Smallville’ heroine Kristin Kreuk joins ‘Chuck’  —  If I didn't know better I'd say Chuck's got a thing for Superman.  —  On the heels of Brandon Routh's casting as a love interest for Sarah comes word that Smallville vet Kristin Kreuk is joining Chuck for multiple episodes as Hannah …

People: Whitney Houston's voice a mess in ‘Good Morning America’ concert  —  Whitney Houston's big comeback performance on “Good Morning America” Tuesday didn't go off as well as she hoped, with her voice cracking several times during a three-song gig, says the New York Daily News.

Hayden Christensen's Bro Arrested for Assault  —  TMZ has learned Hayden Christensen's brother, producer Tove Christensen, was arrested early this morning for felony assault with a deadly weapon — when he allegedly dragged his girlfriend around 30 feet after she clung to the side of his car.