Jacko's Kids Unmasked!  —  Michael Jackson's children are usually hiding behind masks ... but not yesterday.  —  MJ's three kiddos; Prince Michael I (pictured here), Paris and Prince Michael II (aka Blanket), were seen without their usual disguises at Circus Circus hotel in Las Vegas yesterday.

'FACTORY' FALLACY FOOLS SNOOZE  —  SIENNA Miller is upset by a Daily News report saying she and Hayden Christensen had actual sexual intercourse while filming a love scene in "Factory Girl."  A reporter for the sad tabloid approached the British actress as she was standing next to her parents …

Jennifer Hudson Calls American Idol Abusive  —  Jennifer Hudson has won Golden Globe and SAG awards - and is up for an Oscar - for her role in Dreamgirls - despite what she describes as an abusive experience on American Idol.  —  "On American Idol, you go through this mental thing; you've got to get yourself back together.

PRETTY AS PIVEN  —  JEREMY Piven likes to joke about why he's 41 and single.  "I'd love to have a girlfriend - if I weren't gay," he tells Playboy's March issue.  "That's right, I'm gay!  I'm gayer than Liberace in 1972."  As to why he's seen as a round-the-clock party boy, Piven adds …

Reese and Ryan Reunited ... for Kids  —  Reese Witherspoon and Ryan Phillippe made their first public appearance together, exactly three months after their October 30 split — which was first reported by TMZ.  The estranged couple accompanied daughter Ava to her school play in Brentwood, and brought younger son Deacon along as well.

HER INNER GODDESS  —  Beyoncé shows off her impeccable style in a Roberto Cavalli gown at a New York City AmfAR gala on Wednesday.  The singer-actress, who presented an award at the event, will be the belle of the ball at her own soirée next week when she hosts the first-ever PEOPLE sponsored pre-Grammy party.

Kate dumps troubled Pete  —  When Kate Moss was pictured snorting cocaine she promised to clean up her act - starting with a temporary split from her junkie boyfriend Pete Doherty.  —  Now after lurid photos appeared of the singer injecting the same Class A drug into his arm, it seems history is repeating itself.

Police: Lane Garrison Drunk, on Drugs in Fatal Crash  —  Prison Break actor Lane Garrison had cocaine and more than twice the legal blood alcohol level in his system after a fatal car crash last month and should be charged with felony vehicular manslaughter, police said Wednesday.

Natalie Portman, Because She's Natalie Portman  —  Natalie Portman is in Prague premiering her new movie, Goya's Ghost.  I know that's not the biggest gossip story around, but it's been a while since we've posted any Natalie Portman, and, well, it is Natalie Portman.  —  And speaking of Prague.

ANGELINA'S MOTHER'S DEATHBED WISH: MARRY BRAD!  —  Angelina Jolie was by her beloved mother Marcheline Bertrand's side at Los Angeles' Cedars-Sinai Medical Center on Jan. 27, as the former actress faced the final hours of her seven-year battle with ovarian cancer.

Fans Sing to Justin on His 26th Birthday  —  Justin Timberlake's "Future Sex/Love Sounds" concert in Montreal on Wednesday turned into one big 26th birthday bash for the singer - complete with thousands of fans singing and a birthday cake with candles onstage.

Sweet charity award for Stone  —  NEW YORK — She just received her third Razzie nomination for worst actress, this time for Basic Instinct 2.  —  But Wednesday night, Sharon Stone picked up a decidedly more laudable award for her long-term charity work on behalf of amfAR, which supports AIDS research and prevention.

Carmen Electra Sex Tape!!!  —  Psyche!  —  Carmen Electra is the latest celebrity to star in her own sex tape.  But I'm sorry guys - this one is just part of a movie.  The ex-Baywatch pin-up plays a 'porn legend' in new Brit flick I Want Candy.  —  Source

CREATIVE MOVE  —  THIS explains why style maven Tim Gunn has not yet signed on for the new season of "Project Runway" - he's been lining up a new job.  Expect an announcement today from Liz Claiborne Inc. that Gunn, 53, is joining the firm as chief creative officer, The Post's Adam Buckman has learned.

Britney Spears Arrives in Vegas - For Work  —  Britney Spears is in Las Vegas again - but this time, it's business, not pleasure.  —  Sources tell PEOPLE the singer, 25, touched down in Sin City late Tuesday night to work on her upcoming album in the recording studio at the Palms Casino Resort.

SHARE THIS ARTICLE ON:  —  As the front woman for one of the most popular groups of all time, Destiny's Child, and a multi-platinum selling solo artist, Beyonce is known the world over for her soulful voice, infectious smile and ladylike poise.  In the last few years, this Southern belle …

Britney Needs To Go Potty, Y'All!  —  Britney headed out to Vegas Tuesday night and she had to make four pit stops on the way — and not for gas!  I mean, not to get gas for her car ... Anyway check out this video 'cause it's classic Britney.  This girl is beyond generous with us …

Former Miss USA blasts the current queen  —  Plus: Mickey Rourke is howling mad at a Florida pet store  —  Not all is well in beauty-queen land.  —  Former Miss USA Susie Castillo is blasting reigning queen Tara Conner for tarnishing the image of the pageant.

Radar Sneak Peek: These Guys Are Poison  —  Radar Magazine is back, and from the looks of it, the third time might just be the charm for the smart-alec (or at least that's what my mom would call it) gossip-y rag.  I'm here to bring you a sneak peek of the premiere issue of attempt tres—a list of the most Toxic Bachelors around.