Gwyneth humiliated  —  Star Magazine is definitely not the most trustworthy source.  Most of it is bullsh-t.  But this is a story that cannot be ignored.  The new issue of Star Magazine includes an explosive allegation - Chris Martin cheated on Gwyneth Paltrow with Kate Bosworth.  Yes.  Her again.

Kirstie Alley Tackles Her Weight in New Reality Series  —  Kirstie Alley is ready to get real about her weight struggles.  —  The actress, 58, has signed on to star in a new reality series for A&E, which will follow her as she juggles trying to lose weight with life as a single mom to two teenagers in Hollywood.

EXCLUSIVE: Sean Penn's Son Arrested At School  —  Sean Penn's 16-year-old son, Hopper Jack, was arrested sometime last week, according to two sources near the investigation who spoke exclusively with RadarOnline.com.  —  The younger Penn was taken into custody by the L.A. County Sheriff's department.

Kate Gosselin: I Was Wrong to Treat Jon That Way  —  Loading...  The Kate-Gosselin-Sets-It-Straight train rolled into Remorseland today.  —  The reality-TV star whose show has been postponed out from under her admits in her latest interview that she isn't proud of the Jon & Kate Plus 8 moments …

Mariah Carey Takes a Tumble on ‘Leno’  —  Oh, the trials and tribulations of high heels.  Mariah Carey almost went face-first into Jay Leno's stage during a taping of his show on Monday night, thanks to some iffy footwork by the crooner.  As Carey was making her way onto the stage …

Celebrity Photographer Dies At Lady Gaga Event  —  Celebrity shooter A.J. Sokalner, admired by his colleagues for his quiet, passionate commitment to photography, collapsed Monday night outside an event in New York and died a short time later, according to his agency.

Rihanna Breaks Silence About Chris Brown  —  Diane Sawyer and Rihanna  —  Nine months after her fight with Chris Brown, Rihanna finally opens up about the night that left her bruised and bloody.  —  “This happened to me. ...  It can happen to anyone,” the singer, 21 …

Kate Winslet Wins Lawsuit After Being Labeled 'World's Most Irritating Actress'  —  Don't call Kate Winslet “the world's most irritating actress,” or you'll end up owing a lot of money.  —  The Oscar winner successfully sued British tabloid The Daily Mail after the publication gave …

“Brad Pitt Looked Awesome in My Costume!”  Says Nick Jr. Star  —  The verdict is in on Brad Pitt's 2009 Halloween getup: awesome!  —  Along with partner Angelina Jolie and four of their six kids, Pitt went trick or treating Oct. 31 in a residential area near the Hollywood Hills.

Kiefer Sutherland's $700 Morning Bar Tab  —  Kiefer Sutherland racked up the following $700 bar tab between 7am and 1pm.  Yes, those times are correct.  —  We've learned the “24” star and members of the show's crew popped into The Spot in San Pedro, California last week after wrapping up a shoot nearby …

Ben Stiller & Robert Downey Jr Turn Down Oscar Hosting Gig  —  The Academy of Motion Picture Arts & Sciences' newly selected producers Adam Shankman & Bill Mechanic went to Ben Stiller and Robert Downey Jr and asked them to host as a duo.  It would have been a killer combo.

Prejean/Miss California USA Breast War Ends  —  Carrie Prejean and the people behind Miss California USA have dropped their lawsuits against each other — meaning the “biblically correct” beauty queen doesn't need to reimburse the pageant for her boob job.

Owen Wilson signs on for ‘Marmaduke’  —  Joins Judy Greer and Lee Pace in live-action/CG movie  —  Owen Wilson has signed on to voice the rascally Great Dane “Marmaduke,” Fox's adaptation of the long-running comic strip.  —  Wilson's boarding is the last piece of the puzzle for the live-action/CG movie …

Major Death Revealed: Heroes Is Killing Off Adrian Pasdar  —  As I have been teasing for weeks, Heroes is killing off a major character later this season.  —  The death is a huge twist for the show so I didn't want to ruin the surprise for you, but now that another outlet has leaked the secret, it's time for me to reveal the truth:

Carrie Underwood on Mike Fisher: It's Love  —  Carrie Underwood may sing about heartbreak, but in real life she's found love with boyfriend Mike Fisher, giving the hockey player a shout-out on the liner notes of her new CD, Play On.  —  “Thank you #12,” she writes in the notes, referring to the Ottawa Senator player's jersey number.

The beloved Berenstain Bears meet the big screen  —  It's a bear market for one group of moviemakers.  —  Shawn Levy, director of the Night at the Museum movies, has signed on to produce a feature film based on The Berenstain Bears books, a comedy he says will be a mix of live-action and computer animation.

First Look: James Franco on General Hospital!  —  You guys, we've been waiting on pins and needles for this moment, and now we have it: the first images of James Franco in his much talked-about performance on General Hospital.  —  Still no word on who James will be playing …