LETO'S LOONEY AT SUNDANCE  —  JARED Leto was in a foul mood at the Sundance Film Festival in Park City, Utah, on Saturday night.  Leto, who was promoting "Chapter 27" (in which he plays John Lennon's assassin) picked fights with photographers and clubgoers in the VIP section of Tao at Harry O's.

Jessica Simpson & John Mayer Hit Miami  —  Three weeks after getting cozy in New York over New Year's Eve, Jessica Simpson and John Mayer made another cute-couple appearance, this time in Miami.  —  On Monday, the pair worked out together at their hotel's Sports Club/LA gym …

So Much For Tara Reid Cleaning Up Her Image  —  Tara Reid , Exclusives! , Film Festivals , Music & Movies  —  Park City Utah got a special treat on Monday night when Hollywood "Party Girl" Tara Reid got humped on stage by rapper Akon during his performance of "Smack That"

LESBO 'LIP LOCK'  —  JENNIFER Aniston is very close to her best friend, Courtney Cox Arquette - and she's about to get even closer.  Aniston is guest-starring in Arquette's FX show, "Dirt," playing her archenemy, a rival tabloid editor.  But even better, according to Michael Ausiello of TVGuide.com, "Aniston's character is a lesbian.

BAND OF GOLD  —  HAVE Heath Ledger and Michelle Williams secretly tied the knot?  Last month, we reported the spotlight-shunning duo had quietly applied for a marriage license in Brooklyn, where they have a townhouse in Cobble Hill.  At the time, friends said the lovers, who met while filming …

Paris and Jenna to Show Virgins the Ropes?  —  When you think of Paris Hilton and Jenna Jameson, the last thing you probably think is ... virgins.  —  And yet, sources tell TMZ that famed on-camera sexhibitionists Hilton and Jameson have been contacted about "participating" …

Cruise 'is Christ' of Scientology  —  TOM Cruise is the new "Christ" of Scientology, according to leaders of the cult-like religion.  —  The Mission: Impossible star has been told he has been "chosen" to spread the word of his faith throughout the world.  —  And leader David Miscavige believes …

Anna Nicole to Birkhead — Go F**k Yourself  —  TMZ obtained an AOL Instant Message exchange yesterday between Anna Nicole Smith and Larry Birkhead.  Anna Nicole made it clear that she's not going to submit to a DNA paternity test without a fight.  —  The following is a precise transcript …

Naomi denying Brazil sect's appeal  —  The Dreamgirls themselves - Anika Noni Rose, Beyoncé and Jennifer Hudson - sparkled at the film's U.K. premiere.  —  Naomi Campbell called yesterday - no jokes about flying cell phones, please.  The supermodel was a perfect lady …

The Academy Award Nominations  —  If there was a snub this year, it would have to be "Dreamgirls" not making the cut for Best Picture, and Brad Pitt not making the cut at all.  Check out all the nominees here. … Babel  —  The Departed  —  Letters From Iwo Jima  —  Little Miss Sunshine

JANET JACKSON GRABS HER BOOBS AGAIN  —  hey kids!  oh man i'm very tired - i could barely get back up out of bed but i'm managing to deal!  so a few weeks ago i posted janet jackson on the cover of V magazine looking crazy with a big feathered head piece on - well below is a picture …

Stallone knocked out sex to prep for film  —  Plus: Jennifer Connelly wavering about adopting from Africa  —  Talk about sacrificing for your craft: Sylvester Stallone says he gave up sex to improve his on-screen performance in "Rocky Balboa."  —  The 60-year-old actor said he had to stop doing …

Postie enjoys nice bank role  —  The New York Post's state editor is on the payroll of one of Albany's most powerful lobbying groups, it was revealed yesterday.  —  Fredric U. Dicker was paid for a Jan. 9 speech to the New York Bankers Association, the Albany Times Union reported.

Mandy and AM Swap Spit in Public  —  Yep, it's true: Mandy Moore and DJ AM are celebdom's newest couple, and TMZ has the first photo of them smooching, right out in the open at the Sundance Film Festival.  —  Sources close to both Moore and AM (real name: Adam Goldstein) confirm to TMZ that the pair is "definitely" a couple.

CHEF IN STITCHES, NOT FROM JOKE  —  VYING for the title of TV's "Top Chef" can be hazardous to your health.  Just ask Marcel Vigneron, who ended up with a big scar over his left eye.  "This girl came up to me at a nightclub and asked me if I was Marcel from 'Top Chef,' " Vigneron, 26, tells Las Vegas Weekly.

Beyoncé Designs Cheerleader Outfits  —  Beyoncé Knowles is giving boyfriend Jay-Z's basketball franchise a style makeover by designing new outfits for the team's cheerleaders.  The rapper is a part-owner of NBA team the New Jersey Nets and his girlfriend is showing her support …

KIM WITH SOMEONE'S EX  —  If the world is a small place, then Hollywood is the size of a postage stamp.  —  Everybody seems to know everybody up on those famous hills.  —  The latest minglers we've spotted out are Kimberly Stewart and Lindsay Lohan's ex, Harry Morton.

Tori Ready For Baby  —  Having a baby doesn't mean you have to dress like one!  A very preggers Tori Spelling went out looking downright childish in pig-tails and a baby-doll.  Tori does look like she's in great shape for being as pregnant as she is (baby's due this spring) …

A chat with ... 'Veronica Mars' star Jason Dohring  —  The wait is almost over.  —  Veronica Mars fans are counting down the hours until the CW series returns with new episodes tonight at 9 p.m. ET.  This time around, the plot focuses on the mysterious death of Dean O'Dell — and …