Robin Wright Penn Files for Divorce  —  Sean Penn and Robin Wright Penn  —  Robin Wright Penn has filed for divorce from her husband Sean Penn, PEOPLE has learned.  —  The papers, filed in Marin County, Calif., on Aug. 12, state that “both parties have already agreed to [shared] custody” …

Kim Kardashian and Reggie Bush Spotted Together  —  Are Kim Kardashian and Reggie Bush keeping up with each other?  —  Just three weeks after they amicably split, the pair were “all smiles” as they walked together Monday into a Ruth Chris Steak House in New Orleans, an observer tells PEOPLE.

Britney Spears to Present Letterman's Top 10 List  —  Britney Spears hasn't appeared on The Late Show in nearly three years, but Tuesday she'll deliver one of the show's classic bits: the Top 10 list.  —  Spears last appeared on David Letterman's show when she made a surprise cameo in November 2006.

Reality Star on the Run in Model Murder  —  Law enforcement tells us they now have a person of interest in the murder of a Playboy model who was found dead and stuffed in a suitcase in Orange County.  The man is Ryan Alexander Jenkins, who was a contestant on VH1 reality show.

‘So You Think...’ Star Charged with Rape  —  A former choreographer for “So You Think You Can Dance” was arrested again for allegedly sexually assaulting four women — but this time he's actually being charged with a crime ... or eight, to be exact.  —  Cops say Alex Da Silva was arrested …

Joe Jonas and Kelly Clarkson to guest judge ‘American Idol’  —  Next to fill Paula Abdul's seat?  Joe Jonas and “American Idol” Season 1 winner Kelly Clarkson.  —  Sources tell Showtracker that the pair are nearing a deal to guest judge an audition round of the competition.

Eric Dane — I Did Not Have Sex With that Woman!  —  Eric Dane and Rebecca Gayheart did not have sex with Kari Ann Peniche — but according to Peniche, they had plenty of fun.  —  Kari Ann — a dethroned Miss United States Teen — tells TMZ the video featuring the whacked-out naked trio …

Celine Dion Is Pregnant with Second Child  —  Making good on her expressed desire to have more children, Céline Dion is pregnant.  —  A family member tells PEOPLE, “We learned this morning.”  While a rep for the 41-year-old singer confirmed the news to various outlets saying …

Johnny Knoxville to Have Another Baby  —  Jackass star Johnny Knoxville is going to be a dad for the second time, his rep confirms to Usmagazine.com.  —  His girlfriend of nearly a year, Naomi Nelson, is three months pregnant.  —  “Yes, they are expecting and very excited,” his rep tells Us.

Brad Pitt: I Don't Have to Be a Nazi to Beat Ass  —  Brad Pitt may have turned into a humanitarian hottie since hooking up with Angelina Jolie, however the star of Quentin Tarantino's WWII flick “Inglourious Basterds” still gets a kick of it kicking others.  Literally.  —  “I just like kicking ass period.

Jon Gosselin's Girlfriend Slams TLC as “the Lying Channel”  —  Jon Gosselin's girlfriend Hailey Glassman is slamming TLC, claiming the network forced Jon and Kate to cover up their crumbling marriage.  —  In an interview Monday with Kate who?  E! News, Glassman — the 22-year-old daughter …

Brad Pitt to Play Superhero for His Kids' Sake  —  In his current movie opening Friday, Quentin Tarantino's R-rated WWII movie Inglourious Basterds, Brad Pitt plays a southern lieutenant whose squadron, among other bloody deeds, scalps Nazis.  —  “Yeah,” Pitt, 45, confirmed to interviewer Ann Curry …

Kardashian Confronts Football Star on TV  —  Less than a month after Kim Kardashian's breakup with New Orleans Saints running back Reggie Bush, she is set to star in a similar storyline on Fox's new sitcom ‘Brothers.’  —  Kardashian will play herself opposite Michael Strahan …

Ladies: I'm not your gay boyfriend  —  Sean Hayes, Debra Messing and Eric McCormack in “Will & Grace.”  —  The first time somebody wanted to be my fag hag, it was the year 2000, I was 16 years old, and I was sitting in the back of a high school physics class.

Katherine Jackson Wants To Run Things Her Way  —  The struggle to take control of Michael Jackson's estate isn't going to end any time soon!  —  Reports are now surafcing that Michael's mom, Katherine Jackson, will be fighting to become an executor of his estate, though MJ did not appoint her to such a role.

Atlanta Housewives's NeNe Reveals: I Was a Stripper  —  No need for her castmates to do any digging!  The outspoken Real Housewives of Atlanta star NeNe Leakes is coming right out with a revelation from her past: She was a stripper.  And she's not ashamed.

Exclusive: ‘Caprica’ snags James Marsters!  —  Caprica exec producer Jane Espenson is using her powers as a charter member of the Whedonverse for good.  Sources confirm to me exclusively that Buffy all-star James Marsters is joining the Battlestar Galactica prequel for a sizeable arc.

Mila Kunis: Macaulay Culkin Is My ‘Steady Rock’  —  Mila Kunis on the Cover of Women's Health Magazine  —  Mila Kunis has acted opposite some of Hollywood's hunkiest stars.  But she only has eyes for her boyfriend of seven years, Macaulay Culkin.  —  “I don't know if I met him at 27 …

Heidi Pratt Teases She'll “Reveal” More Next Time  —  Why didn't Heidi Pratt bare all in the September issue of Playboy  —  “Always leave them asking for more,” she said on Ryan Seacrest's KIIS-FM radio show Tuesday.  “Next time, I'll have more to reveal.”