Is Nicole Back in Rehab for Diet and Drugs?  —  Reports are swirling that tabloid princess Nicole Richie is back — yet again — in rehab and more "helpless" than ever, but TMZ is told that it just ain't so.  In fact, as we write, Nicole's sitting at home in Glendale, and doing just fine.

Is another kitten in the plans for TomKat?  —  Plus: Lindsay Lohan is a hotel owner's worst nightmare  —  Are more babies in store for Katie Holmes and Tom Cruise?  —  Is TomKat looking to have another kitten?  —  Tom Cruise and Katie Holmes are moving into a Beverly Hills estate …

Lindsay's vodk-AA sponsor  —  Alcoholics Anonymous member Lindsay Lohan has lined up Svedka vodka to sponsor her 21st birthday blowout in Las Vegas, a rep for the brand confirmed to us yesterday.  —  It's part of a deal that could net the star up to seven figures for the July 2-3 celebration.

Sharon Stone Bikini Pictures  —  So, it's pretty to give Sharon Stone a hard time, what with her generally being crazy, but after seeing these Sharon Stone bikini pictures, I think we should cut her a little slack.  Granted, looking good in a bikini doesn't really have much to do with overall mental health …

MIAMI HIDEOUS  —  WHO knew Miami was such a tough crowd?  When Britney Spears did an impromptu lip-sync/dance performance at Mansion on Saturday night, the reception was less than enthusiastic.  The crowd, full of "trannies and gay guys," according to our spy, sneered...

Isaiah Washington Checking Out of Grey's Anatomy?  —  The doctor may be out on Grey's Anatomy.  —  On the May 17 finale, Dr. Preston Burke left his tentative bride-to-be, Cristina Yang, on their wedding day...and now it looks possible that Isaiah Washington is taking off as well.

Former Creed singer Scott Stapp speaks, apologizes  —  A few days after former Creed frontman Scott Stapp was arrested — his wife telling 911 and the South Florida cops that she had called to their home that he was "wasted" and had thrown a bottle at her — Stapp is trying to clear his name.

Memo Pad: B-Day... New Face... Break Room...  B-DAY: Will Kent Brownridge reenter the magazine business along with Quadrangle Group by winning the bid for the Dennis Publishing trio of titles for sale: Maxim, Stuff and Blender?  Media insiders may find out before they hit the beach for the long holiday weekend.

Lindsay Lohan's 21st Birthday Blowout  —  Lindsay Lohan doesn't turn 21 for over a month, but plans for her big bash - which will take place over two days in Las Vegas — are already in motion.  —  A Lohan source tells Us that on July 2 and 3, the star and pals will take over a floor of Caesars Palace …

EXCLUSIVE: JAKE GYLLENHAAL TAKES THE EUROSTAR  —  A Towleroad tipster was riding on the Eurostar train between Paris and London yesterday, and sent in these photos of a sleepy Jake Gyllenhaal riding in the same car.  I think we may have the first-ever photos of a sleeping Gyllenhaal.

Lewis and Clarkson: Who Will and WON'T Perform Tonight  —  Kelly Clarkson may be feuding with her label head Clive Davis, but she's got nothing but love for "American Idol."  —  TMZ has learned that Kelly — and all winners from seasons past, except Fantasia — will be back performing on the "American Idol" stage for tonight's finale.

McGowan's Public Affair  —  Robert Rodriguez and "Grindhouse" muse Rose McGowan have finally gone public with their relationship.  —  The two arrived hand-in-hand to the premiere of Quentin Tarantino's "Death Proof" in Cannes last night, putting to rest speculation they hooked up during the filming of Rodriguez's "Planet Terror."

A Rosie and Hasselcrack Bitch Fight Like No Other!  —  This clip is long, but it's pretty effin riveting.  It's from today's "The View" and is not just your regular Rosie/Hasselcrack bitch fight.  This chicks get into it and I was waiting for Rosie to jump over the table and strangle Elisabeth!

Sheryl Crow tries 'nesting'  —  Sheryl Crow is one happy rock chick.  —  In her first interview and photo shoot as a brand-new mom, the singer coos about spending the past three weeks holed up in her Los Angeles mansion with her just-adopted newborn son, Wyatt.

What the F*@k Happened to Mena Suvari?  —  Cutting off all her hair, throwin' out gang signs...what happened to the American Pie cutie?  —  SEE MORE AFTER THE JUMP »

Duchovny Mooseknuckles Around Venice Beach  —  David Duchovny delivered his lines — and a package — during a promo shoot yesterday for his new show "Californication" in Venice Beach, Calif.  —  Even without pants, the former "X-Files" actor still wasn't the weirdest guy in Venice.

Jessica Alba's Bad Girl Side Revealed  —  This wasn't exactly what I had in mind when I prayed for Jessica Alba's bad girl side to finally shine through.  I was kinda hoping her first public run in with the law would include the likes of Lindsay Lohan, Paris Hilton, lots of booze …