MARIAH IN INAUGURAL SNIT  —  SOME divas cling to their high-maintenance ways even at moments of historic national import.  Mariah Carey, who performed at the Neighborhood Ball for President and Michelle Obama, was “furious” when she found out where she'd be seated for the inauguration.

Kelly Osbourne Checks into Rehab  —  Kelly Osbourne has entered rehab, PEOPLE has confirmed.  —  The 24-year-old daughter of Ozzy and Sharon Osbourne is reported to have checked into an unnamed center in Los Angeles for 30 days.  —  Her rep in London says in a statement to PEOPLE …

Judge Sides with Kelly Rutherford in Custody Issue  —  Kelly Rutherford will be allowed to take her son Hermes, 2, to New York until the end of March, a judge in Los Angeles ruled Friday.  —  Judge Michael Levanas stated that to leave Hermes in L.A. with Rutherford's estranged husband …

ANGELINA JOLIE - JOLIE BODYGUARD PLANS TELL-ALL  —  ANGELINA JOLIE's Oscar nomination celebrations have been marred by reports her former bodyguard is planning a tell-all which will set out to prove the actress moved in on partner BRAD PITT when he was still married to JENNIFER ANISTON.

Sarah Jessica Parker Tackles Marriage Rumors  —  Sarah Jessica Parker and Matthew Broderick, in May 2008  —  Sarah Jessica Parker and husband Matthew Broderick know how to mix business and love.  —  On Thursday night, they turned a visit to Broadway into a romantic evening …

Reasons Behind Actress Jennifer Love Hewitt's Split Revealed  —  Jennifer Love Hewitt pulled the plug last minute on her wedding to Scottish actor Ross McCall — even after she'd bought a wedding dress, and set a date and location for her Spring 2009 destination wedding, Us Weekly reports in its latest issue, on newsstands now.

Sienna Miller Will Make Broadway Debut in Marber's After Miss Julie  —  Roundabout Theatre Company has announced Patrick Marber's After Miss Julie, starring film actress Sienna Miller, as part of its 2009-10 Broadway season.  —  Mark Brokaw (now directing Distracted for Roundabout) …

Gisele and Tom Brady Aren't Engaged After All  —  Ten days ago, People reported Gisele Bündchen and Tom Brady were engaged for real.  And we believed them, because it's hard not to trust a magazine that's — in all seriousness — quite well-reported, yet also so colorful.

Exclusive: Elisabeth Moss engaged!  —  As I'm busy packing and settling up last-minute details for my trip to this weekend's SAG Awards, our Kathy Rowings took a few minutes to talk to one of the nominees, Elisabeth Moss.  Kathy reports that the Mad Men actress, who's nominated for her lead role …

Paris Hilton Is Basically a Racist Porn Star, Says New Book  —  New book Six Degrees of Paris Hilton profiles Darnell Riley, a shady criminal and pseudo-celebrity hanger-on who knows many wicked Hollywood-sleaze secrets.  The tome spins many damning stories about the hood-lidded socialite's sordid existence.

NICK AND VANESSA ARE HAPPY LOVERS  —  Nick Lachey and Vanessa Minillo were all smiles when we caught up with them at JFK Airport in New York.  We haven't seen much of them out-and-about of late, but they sure seemed happy to see our photographer.  And they were even kind enough to stop and pose for pictures with a few fans.

Patrick Swayze to Write Memoir with Wife  —  Patrick Swayze sure is keeping busy.  —  The cancer-stricken actor will write a memoir, his rep confirms to Usmagazine.com.  —  Swayze's wife, Lisa, will collaborate on the book with him.  —  His plan to become an author …