EXCLUSIVE: Avril Lavigne and Deryck Whibley Split!  —  After three years of marriage, Avril Lavigne and Deryck Whibley have split, Us Weekly reports in its latest issue (on newsstands now).  —  “She dumped him and told him she was leaving him.  She wants to move on,” a source tells the new Us Weekly …

Katherine Heigl Introduces Baby Naleigh  —  Katherine Heigl and husband Josh Kelley have released the first photos of their 10-month-old daughter Naleigh, whom they adopted from South Korea.  —  “Katherine, Josh and Naleigh are together and doing well,” her rep said in a statement.

Arrest in Lindsay Lohan Case  —  A man has been arrested in connection with the Lindsay Lohan break-in last month.  —  Nicholas Prugo was arrested in the Calabasas, CA area.  It was a felony arrest — we're told for one count burglary.  Prugo is 18 years old.  He's being held on $20,000 bail.

Jackson's Mom and Kids Get a Bundle  —  Up to now we didn't know how much Katherine Jackson was getting by way of allowance while Michael Jackson's estate gets probated.  In legal docs just unveiled today, we now know the special administrators asked to pay her $26,804 per month.

EXCLUSIVE: Kate Gosselin Shooting New TV Show Pilot This Weekend  —  While Jon Gosselin is busy fending off allegations of cheating (and worse), estranged wife Kate is going to work.  —  RadarOnline.com has learned exclusively that Kate will be shooting the pilot for her proposed new TV show this weekend.

Taylor Momsen Thinks You Should Get a Life  —  Who needs pants?!  —  Certainly not Gossip Girl's Taylor Momsen, who's been spotted around New York City over the past few weeks wearing crotch-skimming hemlines, garter belts and a scowl.  Needless to say, the 16-year-old's risqué apparel …

Madonna's Brother Expresses Himself: Sis Doesn't Look So Hot  —  Kevin Mazur/Getty Images; Jean Baptiste Lacroix/Getty Images  —  Madonna's papa don't preach, but her brother sure does.  —  The pop icon's estranged sibling Christopher Ciccone, whom she hasn't been on voguing terms with since …

Oprah Meets ‘Mad Men’  —  Oprah Winfrey with Jon Hamm and January Jones on “The Oprah Winfrey Show.”  —  Has the pop-cultural universe just collapsed on itself?  The picture you see above is not a Photoshop trick — it's a scene from a coming episode of “The Oprah Winfrey Show” …

Nicole Ritchie Debuts Her Post-Baby Body One Week Later, Thanks To Her All Coffee, No Food Diet  —  She looks remarkably similar, just minus the baby sized lump that was there seven days ago.  It's amazing what not eating when you're pregnant can do.  —  One week after welcoming son Sparrow, Nicole Richie is back to her svelte self.

Kermit the Frog: I'm Not Dating Lady Gaga  —  Lady Gaga and Kermit the Frog at the 2009 MTV Video Music Awards  —  When Lady Gaga rolled up to the MTV Video Music Awards, the world was agog at the identity of her high-profile date - America's Frog Next Door, Kermit the Frog.

Jon Gosselin Gives Up Family Dogs  —  Is there no end to the collateral damage wrought by the Gosselins' marital implosion?  —  While it could be years before we know what the kids think of him, Jon Gosselin's dogs are the ones getting the short end of the separation stick right now.

Emma Watson's ethical fashion line  —  Actor Emma Watson collaborates with ethical fashion label People Tree to release a clothing range aimed at under-24s  —  Emma Watson, the actor best known for her role as Hermione Granger in the Harry Potter films, is to release a clothing collection …

Martha Stewart: Jessica Should've Watched Dog “More Closely”  —  Dog lover Martha Stewart — whose beloved chow puppy Ghenghis Khan died in an explosion in March — feels for Jessica Simpson, whose maltipoo Daisy was snatched by a coyote in L.A. earlier this week.

Chicken Catcher Kevin Skinner Wins 'America's Got Talent'  —  Singing farmer's win nearly upstaged by Susan Boyle's ‘Wild Horses’ performance.  —  He beat an opera singer from Houston, a recycled-instrument percussion group from New Hampshire, the Texas Tenors and the singing siblings Voices of Glory.

Holly Madison Gets Cozy With Rob Dyrdek  —  Chris Farina/Getty Images; John M. Heller/Getty Images  —  Has Holly Madison landed herself a new man?  —  It certainly looked that way last night as she cozied up to Rob Dyrdek of MTV's Rob and Big at new Hollywood hot spot East.

Man with Knife Arrested in Seacrest Attack  —  A man with a knife has been charged with a crime after allegedly attacking Ryan Seacrest's security guard.  —  It happened outside the Children's Hospital in Orange County earlier this week.  Ryan had just finished making an appearance.