Kelly Brook loses baby girl  —  HEARTBROKEN Kelly Brook was last night being comforted by boyfriend Thom Evans at their home in Kent after tragically losing her unborn baby girl.  —  The model, 31, was five months pregnant with her first child which was due in August.

It's a Boy for Alicia Silverstone  —  Alicia Silverstone is a mom!  —  The actress and author, 34, welcomed her first child with husband Christopher Jarecki on Thursday, her rep tells PEOPLE exclusively.  —  Son Bear Blu Jarecki weighed in at 7 lbs., 15 oz.

Whitney Houston In Out-Patient Rehab Program  —  Whitney Houston has checked herself in to an out-patient rehabilitation program ... but it's not for drugs or alcohol ... TMZ has learned.  —  A source directly connected with Whitney tells us ... Houston enrolled in the program around 10 days ago.

Arnold Schwarzenegger, Maria Shriver announce separation  —  The former first lady has moved out after 25 years of marriage.  Maria Shriver helped bolster Arnold Schwarzenegger's campaign against charges that he groped women during his movie career.  —  Arnold Schwarzenegger and Maria Shriver …

Bristol Palin Moving In with Kyle Massey for Reality Show  —  Fresh off speculation that she's had plastic surgery, Bristol Palin is now getting ready to face the cameras again  —  Sarah Palin's 20-year-old daughter is moving back to Los Angeles with her son Tripp, 2, to live …

Gossip Girl Exclusive: Taylor Momsen and Jessica Szohr Not Returning For Season 5  —  Spotted: Two fewer troublemakers on the Upper East Side.  —  TVLine has learned exclusively that Gossip Girl is parting ways with Taylor Momsen (Jenny) and Jessica Szohr (Vanessa).

Dexter Exclusive: Colin Hanks Joins Cast... as Dex's New Archenemy?  —  Colin Hanks has landed a role most actors would kill for.  —  Sources confirm to TVLine exclusively that the Mad Men alum is joining the cast of Dexter for a major Season 6 arc.  —  Like with most of the Showtime's …

Jessica Simpson Isn't Wearing Any Pants  —  Here's a pantsless Jessica Simpson on a photo shoot in Beverly Hills Saturday where she apparently posed with her sister Ashlee and nephew Bronx Mowgli.  Because if there's one things children love, it's carelessly exposed vaginas.

Vieira will step down after nearly 5 years, but will continue in a new role at NBC News  —  Below:  —  TODAY.com  —  After nearly five years as co-anchor of TODAY, Meredith Vieira has decided to leave the show in June.  Ann Curry will take her place as co-anchor of America's No. 1 morning show alongside Matt Lauer.

So True?  So False?  Is Katie Holmes Pregnant?!  —  Sure, the more relevant question might be, is the world ready for another Suri?  But before we begin preparations for the second second coming, we thought we'd do a little fact-checking.  Novel idea, right?

EXCLUSIVE: Rachel McAdams Flashes Engagement Ring  —  Here comes another Hollywood bride and groom: Rachel McAdams and Michael Sheen?  —  In an exclusive Us Weekly photo, the Morning Glory actress, 32, showed off a brand-new ring on her wedding finger while out and about in L.A. on Sunday.

Heidi Klum Renews Vows, Shows Off Bikini Bod [Photo]  —  Heidi Klum had a busy Mother's Day weekend, and turned many heads showing off her hot body.  —  The super model stepped out in a snake skin print bikini on the beaches of Palm Beach, Florida after she and husband Seal renewed their vows over the weekend.

Ralph Macchio Battling ‘Serious Pain’ Due to Ruptured Cyst  —  It looks like Ralph Macchio may have to head back to grammar school and park it on the bleachers in lieu of tonight's ‘Dancing with the Stars’ performance.  The original karate kid, 49, is suffering from a ruptured cyst …

PHOTOS: Pippa Middleton Flaunts Hot Bikini Body  —  What happens in Ibiza doesn't always stay in Ibiza.  —  Suddenly world-famous royal bridesmaid Pippa Middleton caused a web sensation last week with the release of an old photo in which Duchess Kate's sister, 27, danced in a bra with a half-naked male pal.

BRUCE & DEMI DAUGHTER WAR  —  The love fest between ex-spouses BRUCE WILLIS and DEMI MOORE has ended as the superstars battle over naughty behavior of their daughter.  —  The ENQUIRER has learned that Bruce and Demi are at odds over their 17 year old daughter TALLULAH WILLIS who was recently busted for underage drinking.

Chelsea Handler lied and convinced coworker to leave honeymoon early  —  Visit msnbc.com for breaking news, world news, and news about the economy  —  Chelsea Handler was on the Today Show today to promote her new book, Lies That Chelsea Handler Told Me, which is out tomorrow.

Robert Pattinson & Kristen Stewart: Toronto Lovers!  —  Spring is in the air, and Celebuzz has some Twilight romance news for anyone that's a “sucker” for love!  Robert Pattinson has left Sydney ... to go meet up with girlfriend Kristen Stewart - and their dog Bear, of course.

Stanley Tucci Joins ‘The Hunger Games’  —  Stanley Tucci will play Caesar Flickerman in The Hunger Games for Lionsgate.  Flickerman is the TV host of the deadly Hunger Games, who interviews all of the 24 tributes from the 12 districts and creates drama and sympathy for them among the TV viewing public.

Bieber — Helgenberger's Comments Are ‘Kinda Lame’  —  Justin Bieber seems to be pretty SHOCKED that “CSI” star Marg Helgenberger told a radio show he was a “brat” on the set ... especially because they never actually worked together.  —  Bieber just went to his Twitter page and without mentioning Marg …

Julianne Hough Lathers Up in a Bikini (PHOTOS)  —  Julianne Hough is pretty in pink!  Ryan Seacrest's girlfriend was spotted in Miami over the weekend relaxing with some friends.  The Footloose star, who appears to be in better shape than ever, looked like she had a great time soaking in the sun.