Audrina's Hills Are ALIVE!  —  The hot rumor on “The Hills” was always that Lauren Conrad had a sex tape — but who knew that it was Audrina who was the really naughty one all along?  O. M. G.  —  TMZ obtained this snap of Audrina looking every bit the dirty schoolgirl, and taken, we hear …

Hooker “Kristen” Gets ‘Wild’  —  Some girls celebrate their 18th birthday by registering to vote, catching R-rated films or even buying an experimental pack of cigarettes.  Not Eliot Spitzer's Achilles' heel, Kristen (aka Ashley Alexandra Dupré).  —  Guess how Ashley spent her big day?

Britney Spears Dines With Parents  —  Britney Spears joined her mom Lynne and her co-conservator father Jamie for a bite to eat at the Paradise Cove Beach Café in Malibu, California, last night.  —  The singer, 26, donned a sleeveless white eyelet dress and brown boots for the All-American meal …

Heath Ledger's Family Feuds Over his Estate  —  Heath Ledger's uncles are speaking out against his father Kim's handling of the actor's assets, saying Kim has a bad track record of estate management.  —  Ledger's father so mishandled the management of their grandfather's estate 15 years ago …

SJP Miffed at ‘Maxim’  —  Sarah Jessica Parker says that both she and her husband, Matthew Broderick, were equally upset when they learned that Maxim had voted the Sex & The City star the “unsexiest woman in the world.”  —  “It's so brutal in a way, so filled with rage and anger,” SJP, 43, told Grazia magazine.

Star Exclusive: Dancing Couple Caught Cheating!  —  Dancing with the Stars has been rocked by a major sex scandal involving two of its most popular contestants — married dad Drew Lachey and his partner Cheryl Burke.  —  The Season Two champion couple had an affair during the show's nationwide tour …

Kristin Davis, B/F, B/F's Friend — Bad Three-Way  —  So those Kristin Davis photos making the rounds ... We've now been in touch with someone involved in the whole deal, and here's what we know.  —  The photos, we're told, were snapped in 1992 by an ex-boyfriend.  That's right, they are just photos — no sex tape, fellas!

‘90210’ spinoff details emerge  —  Planned show will focus on the Mills family  —  The CW still hasn't greenlit its planned spinoff of “Beverly Hills, 90210” — but details of the script are starting to leak out.  —  According to reports on casting breakdowns and TVTracker.com …

Shia LaBeouf — Wanted Man!  —  We've learned a warrant has been issued for the arrest of Shia LaBeouf.  —  LaBeouf received a ticket February 18 in Burbank for unlawful smoking, a misdemeanor.  He was supposed to appear in court at 8:30 AM, but neither he nor a lawyer showed — so a $1,000 bench warrant was issued for Shia's arrest.

Side Dish: Much ado for Beyonce's 'do  —  Is Beyoncé putting her 'do before her fans?  Spywitnesses on the set of “Cadillac Records” in Harrison, N.J., tell us that the diva, who plays Etta James in the flick, ignores kids who wait for hours to get her autograph and instead seems to concentrate on keeping her coif covered.

FEWER THAN FIVE  —  SINCE her 1998 divorce from record honcho Tommy Mottola, Mariah Carey has been linked to a string of high-powered men. including Yankee star Derek Jeter, Latino singer Luis Miguel, music exec Mark Sudack and even rapper Eminem.  But don't assume she sleeps around.