Kirstie Alley Officially Steps Away from Jenny Craig Ads  —  After serving as the spokesmodel for the Jenny Craig weight-loss program for the past three years, Kirstie Alley is stepping aside.  —  “Although Kirstie will not appear in future advertising endeavors for us …

State Court May Have Lost Britney Jurisdiction  —  It's the craziest thing we've ever heard, but it's probable the State court has lost jurisdiction in the Britney Spears conservatorship case.  —  Sources at the L.A. County Superior Court tell TMZ, “It's possible jurisdiction has shifted to the U.S. Federal District Court.”

New Criminal Investigation in Britney Case  —  TMZ has learned Sam Lutfi is under investigation by the LAPD for allegedly drugging Britney Spears.  —  Law enforcement sources tell us the Major Crimes Division of LAPD is on the case, after the conservators filed a complaint alleging Lutfi drugged Spears …

Did Britney Get A Five-Finger Discount?!  —  Our guys are out with Britney right now — she was doing some shopping at Fred Segal — and it seems she may have forgotten to pay for the clothes she changed into and wore out of the store!  —  Apparently she entered wearing a leopard-print top and exited wearing a black shirt over it.

CoCo's Ass Is Real  —  The insanely elegant Coco gave an interview to Playboy.com where she talked about everything from her ass to oral sex to wearing shoes during sex. 28-year-old (yeah...28) CoCo had a lot to say. … This is truly a match made in heaven.

Bleary-eyed Lily Allen makes it a SIXTEEN hour night on the town  —  Lily Allen and her trendy-ite crew were on the mother of all benders last night.  Their day started at 10.45am at the Luella fashion show in Claridges and hardcore Lily was still going strong at 2.45am this morning, after a whopping 16 hours.

Madonna's New Album and Video: Exclusive Rolling Stone Preview  —  Madonna has managed to keep most details about her still-untitled follow-up to 2005's Confessions on a Dance Floor (due April 29th) under wraps, but Rolling Stone got an early listen to five tracks today and some behind-the-scenes info from producer Nate “Danja” Hills.

Britney Resurfaces!  —  No, she wasn't out of town.  On the eve of the one-year anniversary of her celebrated head-shaving episode, she's back, bitches!  —  TMZ cameras caught up with the popwreck as she cruised into Betsey Johnson on Melrose Ave., carrying a dress on a white plastic hanger.

Socialite Paris Hilton Under Investigation for Owning 17 Dogs  —  Boasted in an interview on “The Ellen DeGeneres Show” Monday, February 11 about owning 17 pets, Paris Hilton's love for the dogs landed her at the center of a new Los Angeles Department of Animal Services investigation.

Heidi Montag Gets Jimmy Choos, Yacht Trip for Valentine's Day  —  Heidi Montag spent Valentine's with beau Spencer Pratt on a yacht - complete with roses, champagne, and chocolate-dipped strawberries.  Pratt also surprised her a new pair of Jimmy Choo shoes.

R. Kelly Snaps Back at Accusations!  —  An R. Kelly spokesman has issued the following exclusive statement to TMZ regarding accusations that Kelly had an inappropriate relationship with his former publicist's daughter:  —  “It's hard to take seriously the moral outrage expressed by George …

Diddy: His Face Ran Into My Fist!  —  Puff Diddy Daddy is claiming that the man who sued him over a fight outside of the Roosevelt Hotel in Hollywood is at fault — and the explanation is the oldest one in the book.  —  TMZ has obtained a declaration by Combs filed in Los Angeles County Superior Court …

Jessica Simpson & Tony Romo's Big, Texan Valentine's Day  —  For Jessica Simpson, Valentine's Day was spent Texas-style: The singer and beau Tony Romo dined together at Nove Italiano restaurant in Dallas.  —  “All eyes were on them,” one insider says of the singer and the Dallas Cowboys quarterback.

Brad Pitt Protects His Young  —  Brad Pitt was shopping with Zahara at The Grove in Los Angeles the other day when a pap got a little too close to mama bear and her cub.  E!'s Planet Gossip reports that the pap followed them into the parking garage and got in Brad's face.

Sex In The Big Brother 9 House  —  Big Brother 9 barely started and they are already doing sex to each other.  In case you didn't know, this season singles were paired up with their “soul mates.”  Basically BB is a dating service now.  Last night, Nat and her partner Matt got it on.