Jennifer Aniston Strips Down for GQ Cover  —  Talk about your revealing interviews.  —  Jennifer Aniston puts on a necktie and leaves the rest in the hamper for a provocative GQ cover and sassy interview that addresses rumors about John Mayer.  —  “I am not having his baby.

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NOT OUR BABY  —  ASHLEE Simpson and Pete Wentz are trying to drum up some cash by selling photos of their baby, Bronx Mowgli - but so far, no takers.  A celebrity weekly insider told Page Six, “Pete and Ashlee have approached every single celebrity magazine with offers to sell their first photos, but nobody wants them.

Paltrow hoping to save marriage to Coldplay's Martin  —  Gwyneth Paltrow is desperately trying to save her troubled marriage.  —  Amid recent reports of their rocky romance, Paltrow and her husband, Coldplay rocker Chris Martin, are holed up in their London home “trying to make their marriage better …

Usher Welcomes Baby No. 2  —  Usher and his wife, Tameka  —  It's a boy - again!  —  Sources confirm to PEOPLE that Usher and his wife Tameka have a new addition to the family: a baby boy born on Wednesday.  —  The new Raymond (whose name has not yet been released) joins older brother Usher Raymond V, who turned 1 on Nov. 26.

Caught in the Act!  —  • Kim Kardashian, sharing a dance with Kanye West and then passing him off to her sister Khloe at West Hollywood's Apple Lounge.  The reality star, who played hostess at a bash for Ubisoft Rayman Raving Rabbids TV Party videogame, also got chatty with Jermaine Dupri …

Gayle King told Oprah she wasn't looking good after weight gain  —  Gayle King was on Good Morning yesterday to talk about her best friend Oprah's decision to go public with her weight struggle.  Oprah recently admitted to weighing 200 pounds at just 5′ 6.5″ tall …

Macaulay's Sister Dies  —  We've learned Macaulay Culkin's sister died yesterday after being struck by a car.  —  Law enforcement sources tell us Dakota Culkin was walking on the west side of Los Angeles Tuesday when she stepped off a curb and was struck by a car.

EXCLUSIVE: Britney's Christmas Message  —  Check out our EXCLUSIVE Christmas message from Britney.  How cute are Jayden and Sean Preston?  Adorable!  —  Jen, Britney's British Bitch

Tori Spelling Back in Talks With 90210  —  Michael Desmond/The CW, John M. Heller/Getty Images  —  Jennie Garth's Kelly Taylor has been a fixture on the CW's 90210; Shannen Doherty's Brenda Walsh has done a few drive-bys.  Even Jason Priestley is stopping by to step behind the camera.

Samantha Ronson, the Web and suits to spare  —  The DJ is suing the lawyer she hired to stop rumors circulating about her and Lindsay Lohan.  He sues back.  It's all fodder for blogs.  —  On a summer day last year, Martin Garbus, a veteran attorney from New York, went to a beachside cafe …

Kate Winslet and Leonardo DiCaprio: EW's Exclusive Reunion Q&A!  —  More than a decade ago, they stepped aboard “Titanic.”  They've finally reunited for “Revolutionary Road,” and this time it's a marriage that hits an iceberg.  A surprising talk with two true friends.  —  PHOTOGRAPH BY BRIGITTE LACOMBE

Mark Ruffalo Drops Out of Movie Role  —  Mark Ruffalo - who's still reeling from this week's tragic death of his brother, Scott - has dropped out of the indie drama Greenburg, according to the Hollywood Reporter.  —  He will likely be replaced by Ben Stiller in the film, written and directed by Noah Baumbach, says the trade paper.