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” …

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.

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.

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.

‘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 …

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.

Jon & Kate Plus Aggravation  —  We're told TLC is not happy with Jon Gosselin, but Jonnie boy may not care, because he has his sights set on a new show.  —  We're told Jon is in talks with a major production company — Endomol — to appear in a show called “Divorced Dad's Club.”

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.

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 …

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.

Kari Ann Peniche accuses singer Mindy McCready of stealing Eric Dane and Rebecca Gayheart nude video  —  The plot thickens in the McSteamy nude video scandal - just the way we like it.  —  Now dethroned Miss United States Teen Kari Ann Peniche (stripped of her crown for baring all in Playboy) …

Exclusive: Gina Torres Joins Gossip Girl  —  Gina Torres will appear on Gossip Girl this fall as Vanessa's mom, TVGuide.com has learned exclusively.  —  Gabriela Abrams, mother to home-schooled vid-kid Vanessa, is described as being warm and outgoing, which will certainly be a change of pace for this show …

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.

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.

Pitt Didn't Quit Pot, Says Tarantino  —  Though it's no secret that Brad Pitt is a fan of marijuana, the hunky father of six told Bill Maher the other day that he gave up the greens for his kids.  However, Brad's Inglourious Basterds director Quentin Tarantino begs to differ!

Michael Jackson to Be Buried in Grand Mausoleum  —  The late singer's birthday burial will take place at 10 a.m. on Saturday, August 29, at the same L.A. cemetery where his funeral was held back in July.  —  The private ceremony — which comes more than two months after the King of Pop died …