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.

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.

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 …

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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.

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.

Mark Ruffalo Drops Out of Movie  —  Mark Ruffalo dropped out of the dramatic feature film, Greenburg, and will be replaced by Ben Stiller.  —  It is unclear why Ruffalo — whose brother, Scott Ruffalo, passed away late Monday from a self-inflicted gun shot wound to the head — backed out of the project.

Is that dress REALLY supposed to look like that Lily or did you fall out of the Nobu broom cupboard? … Lily Allen may well appear to be scratching her head after she was seen leaving her favourite restaurant Nobu, in Central London last night.  —  But it was her unusual choice of dress …

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

Aubrey O'Day All Wet And On Her Knees  —  Well, if these aren't the most appropriate pictures of Aubrey O'Day I've ever seen, then I don't know what are.  It's Aubrey sopping wet, and on her knees in some behind-the-scenes pictures from her Complex magazine photoshoot (you know, the one where Aubrey O'Day was topless).

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 …

Rachel McAdams as Irene Adler — FIRST PICS  —  Here are the first pictures of Rachel McAdams in hair and make-up for her character, Irene Adler, in Guy Ritchie's detective flick, Sherlock Holmes.  —  The 30-year-old actress was spotted in London on Thursday wearing brown shoes and pinstripe pants.

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