NBC Shakeup — Jay Leno Comes Out on Top  —  Jay Leno is going back to his 11:30 PM time slot, and it's looking like Conan O'Brien is the odd man out ... sources tell TMZ.  —  We've learned Jay's 10:00 PM show will go on hiatus February 1.  After the Olympics, Jay will take back his 11:30 PM time slot.

EXCLUSIVE: ‘Orange County Housewife’ Tamra Barney's Husband Files For Divorce, Charges Infidelity  —  Tamra Barney's husband Simon filed for divorce on Wednesday, charging his wife with infidelity, RadarOnline.com has learned exclusively.  —  Read Court Documents Here

Rachel Zoe Shows Her Bikini Body With Rodger in St. Bart's  —  Rachel Zoe and her husband Rodger stepped out on the beach in St. Bart's today, where she gave us a rare peek at her in a bikini.  Rachel's weight has been a topic of discussion for years, even being openly addressed on her show …

Lady GaGa Unveils Bizarre Hair Hat And See-Through Dress Combo - Pictures  —  In Las Vegas...  Lady GaGa has grown into a style icon over the last twelve months - and not without good reason.  —  The singer's diverse and outlandish wardrobe, which has included fishnets, stockings and PVC catsuits, has regularly wowed onlookers.

Tila Tequila: Don't Blame Me for Casey's Johnson's Death  —  Tila Tequila is defending herself on the Internet, fighting off claims she ignored warning signs in the days leading up to Casey Johnson's death  —  “I was the ONLY one who was constantly checking on my Wifey cuz I knew something was wrong,” she wrote on Twitter on Thursday.

Ellen DeGeneres is having second thoughts about joining “American Idol”  —  In Entertainment Weekly's cover story, featuring “American Idol” judges Ellen DeGeneres and Simon Cowell, when the rumor is brought up that Cowell may leave the show when his contract expires later this year, DeGeneres says “If Simon goes, I go!”

Marilyn Manson and Evan Rachel Wood Are Engaged  —  Marilyn Manson and Evan Rachel Wood are engaged, a source confirms to PEOPLE.  —  The shock-rocker reportedly proposed to the True Blood actress while he was performing on stage in Paris on Monday, according to reports.

Michael Jackson Death Investigation Complete  —  The LAPD investigation into Michael Jackson's death has been completed and the case will go to the D.A. within weeks, law enforcement sources tell TMZ ... and, we're told, it's all but certain Dr. Conrad Murray will be criminally charged in MJ's death.

Model's burned body found in trash bin  —  (CNN) — Paula Sladewski, a 26-year-old who once modeled for Playboy, was identified Wednesday by Miami police as the person found dead and “burned beyond recognition” in a trash bin on Sunday.  —  Now, police are asking for the public's help to put her killer behind bars.

No Jail Time for Hills Star Stephanie Pratt  —  Pretty Hills hotties don't belong in jail.  —  Good thing Stephanie Pratt isn't headed there, even with that whole “my heels made me do it” excuse.  —  The MTV reality star reached a deal with the district attorney stemming …

EXCLUSIVE: Charlie Sheen's Wife Was In Rehab For Crack Addiction  —  Charlie Sheen's wife Brooke Mueller was addicted to crack and ended up getting in-patient treatment in rehab, RadarOnline.com has learned exclusively.  —  Mueller was treated at Beit T'Shuvah in Los Angeles, said a friend who knew her while she was there.

Jessica Biel and Emile Hirsch Begin Mt. Kilimanjaro Climb  —  A star-studded group of actors, musicians and activists, including Jessica Biel and Into the Wild star Emile Hirsch, have kicked off 2010 with a lofty mission: summiting the formidable 19,340-foot Mt. Kilimanjaro, Africa's tallest peak …

Exclusive: Ewan McGregor, Dennis Quaid & Michael Douglas (& More) Join Steven Soderbergh's ‘Knockout’  —  When the action spy picture “Knockout” was first announced a few months ago, director Steven Soderbergh promised that the lead star, non-actress/ mixed martial arts champion Gina Carano …

Brittany Murphy's Mother & Husband ‘Keeping Each Other Going’  —  Since Brittany Murphy's sudden death at 32 of an apparent cardiac arrest Dec. 20, her grieving husband Simon Monjack and mother Sharon Murphy have “clung to each other for support.”  —  “Simon is exactly as you would expect someone …

EXCLUSIVE INTERVIEW: Kate Gosselin's New Hair Cost $7,000!  —  Kate Gosselin showed off a new long hair-do this week and RadarOnline.com spoke exclusively with Ted Gibson, the stylist who created Clean Slate Kate to find out what it was like to spend a day transforming her sassy, cut into a glamorous, long-locked style.

Actresses circle ‘Faster’  —  Maggie Grace joins Dwayne Johnson starrer; Salma Hayek in talks  —  Casting on the Dwayne Johnson starrer “Faster” is picking up speed.  Maggie Grace has signed on and Salma Hayek is in negotiations to co-star in the CBS Films action drama.

Gerard Butler Cleared of Battery Charge  —  Gerard Butler steps out of the Roger Room lounge in Los Angeles on Thursday (January 7) after celebrating dropped battery charges against him.  —  The 40-year-old Bounty Hunter actor was charged with a misdemeanor battery charge due to a scuffle …