Cover Story: Jessica Simpson's Revenge Diet  —  In the wake of her heartbreaking split from Tony Romo on the eve of her 29th birthday earlier this month, Jessica Simpson has decided that the way to get the sweetest revenge on her former sweetheart is to sweat off some pounds at the gym.

Eclipse Switch: Bryce Dallas Howard To Play Vampire Victoria  —  Twilight fans are used to the renegade vampire Victoria causing trouble for lovers Bella and Edward, but come the third installment of the film series, they may be taken aback by Bryce Dallas Howard baring her fangs in the role.

LeAnn Rimes and Dean Sheremet: Inside Their Relationship  —  When the news broke that LeAnn Rimes and Dean Sheremet had separated - just four months after the singer was reportedly caught in an affair with actor Eddie Cibrian - it saddened many friends who had admired their marriage …

Brad Pitt Admits His Partying ‘Ends at 6’  —  He's on top of the world as the most envied man in stardom, but Brad Pitt wants the public to understand that it can be a tougher life than they imagine.  —  “It's so tough being an actor,” Pitt, 45, joked at the Berlin premiere …

Megan Fox overload: Are men tired of her?  —  Has Megan Fox been getting too much press?  Men still lust for her, but are perhaps tired of seeing her.  —  It may seem unlikely, but the men of America are sick of Megan Fox.  —  A dozen male-focused Web sites including AOL's men's lifestyle …

Johnny Knoxville to Pay $6,000 Monthly in Child Support  —  Jackass star Johnny Knoxville's divorce from his ex-wife Melanie was finalized in a Los Angeles court, with the actor agreeing to pay $6,000 monthly in child support for their 13-year-old daughter.  —  The ex-couple …

Scarlett Johansson Talks Getting Rough In The The Iron Man Catsuit  —  Who is this red-headed mystery woman we saw tempting Tony Stark, in the Iron Man 2 Comic Con footage?  We talked about all things Black Widow with Scarlett Johansson — from squeezing into the catsuit to Avengers possibilities.

Jackson Chef on Michael's Last Day  —  Kai Chase, a professional chef hired by Michael Jackson to maintain a healthy diet, has opened up about Michael's final days — and her take on Dr. Murray's role in Jackson's death.  Chase admitted to Associated Press that she had an inkling that something …

KID ROCK IS ANTI-TWITTER  —  COUNT Kid Rock out as a fan of Twitter.  “It's gay.  If one more person asks me if I have a Twitter, I'm going to tell them, ‘Twitter this [bleep], mother[bleep]er,’ ” the shaggy-haired rocker tells Rolling Stone.  “I don't have anything to say, and what I have to say is not that relevant.

EXCLUSIVE: Kate Gosselin Moving To Maryland  —  Kate Gosselin is moving to Maryland, RadarOnline.com has learned exclusively.  —  She's buying a condo in Rockville, a wealthy part of Montgomery County.  —  Oh, by the way, bodyguard Steve Neild also lives in Maryland.  (Just thought we'd mention that.)

Tiffani Thiessen is Busy  —  She would really love to do the cast reunion of Saved by The Bell on Late Night with Jimmy Fallon, but she has a sh*t ton of stuff going on!  —  Chosen One  —  Keywords: tiffani thiessen saved by the bell jimmy fallon reunion kelly kapowski zach morris mark-paul gosselaar screech dustin diamond

Clarkson's Producer — I Would Never ‘Dupe’ Kelly  —  The guy Kelly Clarkson blames for allegedly making her look like a song-stealing rip-off artist claims he would never ‘dupe’ anyone — and the idea is both “hurtful and absurd.”  —  Clarkson basically threw producer Ryan Tedder under …

Lady Gaga in on-stage boob gaffe  —  Lady Gaga tries to keep her boobs in check  —  Oops!  Lady Gaga popped out of her bra while on stage at a gig in Ibiza.  —  The singer suffered the embarrassing wardrobe malfunction when her nipple slipped out of her bejewelled bra …

That's amore: George Clooney takes girlfriend Elisabetta Canalis for a romantic motorbike ride around Lake Como  —  Hollywood's most notorious bachelor George Clooney has found something to keep him occupied during his annual Italian holiday - stunning TV presenter Elisabetta Canalis.

Jon Gosselin Pulls Knife On Paps  —  Jon, Jon, Jon.  You're beginning to become the biggest idiot in reality TV land, and it's really hard to top Spencer Pratt.  Jon Gosslein's latest questionable move, was when he pulled out a knife (albeit the pocketknife was closed) then he started to walk towards the photographers.

MISCHA BARTON GOES BACK TO WORK  —  Top Images:  —  Body:  —  Actress Mischa Barton is apparently back on the road to recovery after she jetted into New York to begin work on her latest TV project.  —  Mischa touched down at JFK Airport with her dog on Tuesday night before heading into Manhattan.

Caught in the Act!  —  • Halle Berry and Gabriel Aubry, sharing a date night at the Hollywood Bowl.  Along with a group of friends, the couple checked out rockers Of Montreal and Berry's former Boomerang costar Grace Jones in concert.  Sitting in a box seat, the actress and her pals …

Scoop: K-Fed angling for weight-loss reality show?  —  Plus: Money's not the problem in Nadya Suleman's reality deal  —  Kevin Federline, left in 2006, and right in 2009.  Britney Spears' former husband has put on some weight, but will his new pounds translate into reality show cash?  —  The Scoop