Lohan Enters Rehab  —  TMZ has confirmed that Lindsay Lohan has checked herself into rehab.  —  In a statement issued through her rep, Leslie Sloane Zelnik, Lindsay says "I have made a proactive decision to take care of my personal health.  I appreciate your well wishes and ask that you please respect my privacy at this time."

Federline: Expect a Different Kevin in '07  —  Kevin Federline says his self-deprecating Super Bowl ad is a sign of a "new Kevin" for 2007 - one who's upbeat and determined to change his image.  —  "This is just the start of other things to come - '07 is a completely life-changing experience for me …

Hef robs cradle, and he may fill it, too!  —  The answer to Who's Your Daddy just may be Hugh Hefner.  The founder of the Playboy empire has told us he's considering becoming a father again - at age 80.  —  "I wouldn't say that there's a plan, but there has certainly been a conversation," the centerfold sovereign said.

No sects please, we're British  —  Ivy league ... Posh and Katie Holmes and, right, Tom helps Posh outside Ivy  —  TOM CRUISE is trying to recruit the Beckhams to the Scientology cult — but Victoria has told him: "Hands off our cash".  —  The Hollywood superstar is obsessed with the wacky religion …

Knight Speaks Out About Gay Slur  —  For those who have followed the Grey's Anatomy "faggot" controversy since it began last October, one of the recurring questions has been: Just what would it take to get the mainstream media to cover the use of an anti-gay slur?

Britney's ball invite turns into a pumpkin  —  Plus, Sharon Stone hands co-star a basic beating on set  —  Britney Spears won't be going to a fabulous European ball because her former best friend Paris Hilton will be there.  —  The partying heiress is attending the super-elegant Vienna Opera Ball …

American Idol Myspace Hunt: Round #2  —  Tonight's American Idol auditions took place in Seattle.  At first, I was a little worried because it appeared that the Seattle crowd did not appear to be the most myspace savvy folk, but thank god they proved me wrong.  Some of the contestants tonight should be glad I couldn't find them.

Britney Goes For Burgers  —  Britney was in high spirits today as she lunched at the West Hollywood diner Mary's with two pals.  In fact, we haven't seen Britney looking quite so happy in a while and we like it!  Maybe Isaac's having a good effect on her?  Or maybe it's the nachos ...

Bacon turns 'Six Degrees' into a game of giving  —  Kevin Bacon has a confession.  —  That silly Six Degrees of Kevin Bacon game?  The truth is, he's no good at it.  "It's confusing," he admits.  "I can't remember all the movies I've been in, so I surely can't recall someone else's films."

Fergie and Josh Work It Out  —  Looks like the couple that gets fit together stays together as Black Eyed Peas singer Fergie and her hunky boyfriend actor Josh Duhamel (Las Vegas) enjoy a vigorous work-out in Santa Monica, Ca.  The lovebirds jogged, climbed stairs, did aerobics and then still …

SALMA'S HERO: HER DOG  —  Salma Hayek doesn't need a man to save her life, she has her dog, Diva, to be her ultimate hero.  On the day of the Golden Globe Awards, the actress told The Insider's Pat O'Brien that she "had a headache and went to lie down."  While deep in her catnap …

Foxy Brown gets good probation report  —  NEW YORK - Foxy Brown, sentenced to probation and anger management classes for a fight in a nail salon, left court smiling Wednesday after hearing "an excellent report from probation."  —  Brown, 26, said the sentence has been good for her "because probation forces you into structure.

Cameron's New Dude — Rebound Or Revenge?  —  The relationship is over, but the drama has just begun — and it looks like Cameron Diaz is hooking up to make Justin Timberlake jealous.  —  According to TMZ spies, Cameron was in the North Shore of Hawaii with surf stud and former Baywatch star Kelly Slater.