Katherine Jackson Files for Guardianship of Three Kids  —  According to TMZ.com Katherine Jackson filed a petition Monday asking the court to appoint her as guardian of Michael Jackson's three children.  The petition states the kids have “no relationship with their biological mother,” Debbie Rowe, according to the site.

Reported Jackson Autopsy — A Fake  —  We've learned the story making the rounds detailing the terrible condition of Michael Jackson's body is a fake.  —  A report in The Sun gave harrowing details of the body, but we've learned the “autopsy report” was fabricated and completely false.

Billy Mays Likely Died of Heart Disease  —  Pitchman extraordinaire Billy Mays died from a pulmonary embolism, according to the coroner in Tampa, Fla., who announced preliminary autopsy results at a press conference Monday.  Evidence of heart disease was also found.

Britney Goes Brunette; Now Appears 33% Less Crazy  —  Brit spent the weekend with her boyfriend/agent Jason Trawick, who friends say has “a calming effect over Britney.”  Or maybe that's just the Xanax kicking in.  —  Britney's a brunette.  —  The singer, 27, showed off the darker …

Have Megan Fox and Shia LaBeouf Transformed into a true couple now?  —  Shia LaBeouf and Megan Fox are certainly fanning the gossip fires when it comes to reports they're an item.  The “Transformers: Revenge of the Fallen” co-stars (whose movie killed the competition with a $201 million five-day opening) …

The Last of Heath  —  Why was Heath Ledger so ambivalent about his own stardom, and what happened at the end of his life?  Vanity Fair contributing editor Peter Biskind sheds new light on these difficult-to-answer questions as he writes about the actor's remarkable talent and untimely death …

KATE'S BOOK DUE DATE  —  CHRISTIAN publisher Zonder van looks like it's going to postpone the debut date of Kate Gosselin's next book, “Love is in the Mix: Making Meals into Memories.”  —  It was due out in November.  —  The star of “Jon & Kate Plus 8” is in the middle of a painfully public divorce from husband Jon Gosselin.

The Various Transformations of Isabel Lucas  —  Move over, Megan Fox.  Isabel Lucas is the unsung hottie of this weekend's stupendous box-office smash, Transformers: Revenge of the Fallen.  —  But the Melbourne native, 24, tells Details for its June/July issue that she's more than just a pretty face.

FANS STEAL LEONARDO DICAPRIO'S SNEAKERS  —  A TRIP to a Japanese temple left Leonardo DiCaprio (above) barefoot after ugly American tourists stole the star's sneakers.  During a visit to a hilltop shrine in Kyoto last week, DiCaprio was asked by a couple of fans to pose for a picture …

Diane Keaton In ‘Good Spirits’ After Sumo Smackdown  —  Guess she does her own stunts!  —  Diane Keaton may have been wearing some extra padding, but that didn't stop the actress from getting a little roughed up on the set of her new movie, Morning Glory.  Keaton, 63, injured her head while filming Monday in New York.

American Idol's Ace Young Is Engaged!  —  Former American Idol finalist Ace Young is engaged, he tells Usmagazine.com.  —  The 28-year-old singer - who finished seventh on the fifth season of the hit Fox show - recently popped the question to Allison Fisher, 20, his costar on Broadway's Grease.

Fred Travalena dies at 66; master impressionist and singer  —  ‘The Man of a Thousand Faces’ could voice Bugs Bunny as well as Luciano Pavarotti.  Travalena, a Vegas performer, talk-show regular and star of his own specials, died of non-Hodgkin's lymphoma.  —  Fred Travalena …

‘90210’ exclusive: ‘Days’ hunk Trevor Donovan cast as model citizen  —  No disrespect to Dustin Milligan, but, um, er... Ethan who?  —  90210 has tapped Abercrombie & Fitch model-turned-soap star Trevor Donovan to fill the show's “golden boy” vacancy, sources confirm to me exclusively.