Hayden Panettiere and Heroes co-star Milo Ventimiglia at L'Scorpion bar in Hollywood, April 3  — Hayden Panettiere at the Crispin and Basilio Fall 2007 show, 3/22

STAR EXCLUSIVE!  K-Fed's Younger Brother in Jail for Boozing!  —  In June 2005, Britney Spears and then-hubby Kevin Federline attended the high school graduation of his younger brother, Cameron Federline, in Cameron's hometown of Pendleton, Oregon.  Now fresh out of rehab …

Britney says K-Fed her 'biggest mistake'  —  Plus: He'll get big bucks, plus kids four out of seven days  —  Britney Spears and Kevin Federline have hammered out the details of their split, and it's reportedly going to cost the "Toxic" singer $13 million.  What's more, Star magazine …

COVER STORY: Valerie Bertinelli Says 'I'm Fat'  —  Valerie Bertinelli, best known for her 1975-84 sitcom One Day at a Time, has landed a brand new role: Joining Kirstie Alley as the new celebrity face - and body - for Jenny Craig, PEOPLE reports in its new cover story.

Lachey, DiScala Called Out for Foul Ball  —  RECOMMENDED (0)  —  A team foul has been called on Nick Lachey, A.J. DiScala and a handful of other big names.  —  The ex-hubbies of Jessica Simpson and Jamie-Lynn Sigler have been named as defendants in a million-dollar breach-of-contract lawsuit filed …

Scarlett Johansson's Nude Ban  —  Trying to figure out the truth when it comes to seeing Scarlett Johansson nude is just about the hardest thing a blogger can do.  One day you hear that all it would take for Scarlett Johansson to get naked on screen is the right part, the next she says she won't ever do a nude scene.

Tony Bennett Pulls Out Of 'Idol' Appearance  —  The show won't be going on for Tony Bennett on tonight's "American Idol."  —  The legendary crooner, who turned eighty a few months ago, is not well enough to put his golden pipes on the air.  —  According to a spokesperson for the star, he has a cold.

For 'Lookout' star Fisher, it's a Luvlee life  —  You know her as the sex-crazed "stage five clinger" in the 2005 smash Wedding Crashers.  But in The Lookout, Isla Fisher, 31, shows her serious side as a former stripper who seduces a brain-damaged man.  —  Fisher, who's engaged …

"Project Runway" Hits Turbulence  —  TMZ has learned that L.A. casting for the new season of "Project Runway" was a fashion disaster!  —  Sources tell TMZ that auditions held this weekend at the downtown Standard Hotel had a record low turnout.  We're told that since lines were not very long …

Hilary Duff & Lindsay Lohan: Mean Girls No More  —  The cold war between Lindsay Lohan and Hilary Duff is finally over.  —  The two stars, who had a conflict dating back to 2002 when they simultaneously dated Aaron Carter, have been spotted hanging out lately.

One Doctor Prescribed All 11 Prescriptions In Anna Nicole's Hotel Room  —  One doctor authorized all 11 prescription medications found in Anna Nicole Smith's hotel room the day the Playboy Playmate died of a drug overdose, according to documents released by the medical examiner's office Wednesday.

HEIDI'S MOM SPILLS ABOUT THE HILLS  —  Will Heidi Montag stay with Malibu's Least Wanted Spencer Pratt?  Will Heidi and Lauren Conrad cease being friends?  And is Heidi really becoming a pop star?  —  For answers, Radar called Darlene Egelhoff, a real-estate broker in Crested Butte, Colorado—and Heidi's moms.

Queen Sanjaya Will Reign!  —  American Idol sucks plain and simple.  I have a love/hate relationship with it.  I hate myself when I'm watching it, but I can't NOT watch it.  I think I've been hypnotized by Melinda DoLOTS' no neck.  —  Anyway, last week I guessed the bottom 3 right, but effed up on who was actually going home.

Tobey Maguire Talks About His Rocky Childhood  —  Before swinging into the public consciousness as Spider-Man, Tobey Maguire had a tough time getting his footing in life.  —  Only 3 when his parents - who were 18 and 20 when he was born - split, the actor, 31, tells Parade magazine …

Judge Approves Whitney Houston & Bobby Brown's Divorce  —  The divorce of Whitney Houston and Bobby Brown has been approved by a judge in Orange County, Calif., and will become final on April 24, PEOPLE has learned.  —  In addition, Judge Franz E. Miller awarded custody of the couple's 14-year-old daughter …

Kate & Owen's Romance: The Real Deal  —  After months of playing it cool, Kate Hudson and Owen Wilson are turning up the heat on their romance - with his brother Luke's blessing  —  "He seems very happy," says Owen's younger brother, actor Luke Wilson.  "[Kate] is a very nice girl."

Lindsay as Princess Diana?!  —  Lindsay looked like she just rolled out of bed (or never quite made it there) while out and about in LA this week.  Still, she's not letting her partying lifestyle get in the way of her acting aspirations.  She recently talked about her desire to play Princess Di …