‘American Pie’ Star Busted for DUI  —  TMZ has learned Chris Klein — who played Oz in “American Pie” — was arrested early this morning on suspicion of DUI.  —  Law enforcement sources tell us a CHP officer stopped Klein on the 101 freeway in Los Angeles at 3:13AM.

Miley Cyrus upskirt shot: Child porn?  —  Blogger Perez Hilton posts a link to an alleged upskirt photo of the 17-year-old — and could face serious charges  —  Perez Hilton has built a thriving career out of offensive behavior: He's called countless female celebrities bitches, hos …

Exclusive: Al Gore Cheats with Larry David's Ex  —  Al Gore's split from wife Tipper after 40 years of marriage was a shock to everyone who thought theirs was the ideal marriage.  Now Star can exclusively reveal that the former Vice President was having an affair with Larry David's ex-wife — for the past two years!

EXCLUSIVE: Source: Levi Johnston, Bristol Palin Are Back On!  —  Despite all the drama, baby Tripp Johnston's estranged parents are making it work after all.  —  Although Bristol Palin and Levi Johnston broke off their engagement in March 2009, an insider tells UsMagazine.com that relations …

Brooke Mueller Headed Back to Rehab  —  Sources tell TMZ Brooke Mueller has fallen off the wagon again and she is telling people she's checking into a rehab facility for 30 days.  —  Sources say Brooke has been receiving ongoing treatment for substance abuse at her home …

Cameron Diaz Comes Clean About Alex Rodriguez  —  In the July issue of Playboy, Cameron Diaz opens up about the men in her life.  —  First on the list: Alex Rodriguez, with whom she enjoyed romantic dinners and whose NYC apartment she was once spotted leaving one morning in May.

‘Jersey Shore’ — Half the Cast on Chopping Block  —  The oil-soaked handwriting is on the wall ... TMZ has learned “Jersey Shore” is about to lose 4 familiar, overly-tanned faces in Season 3 ... to make room for 4 fresh overly-tanned faces.  —  Our spies tell us ... the footage …

HBO Greenlights ‘Hemingway & Gellhorn’ Starring Clive Owen And Nicole Kidman  —  EXCLUSIVE: It took James Gandolfini 6 years to get the story of Ernest Hemingway and Martha Gellhorn to the screen.  Now HBO has just given the green light to Hemingway & Gellhorn, an original movie produced by Gandolfini …

Tori Spelling: Why I Got So Skinny  —  Tori Spelling's wafer-thin frame has been the topic of much debate — and in her new book, TerriTORI, she reveals why she shed so much weight.  —  According to USA Today, Spelling, 37, blames swine flu, stomach pain, migraines and nerve problems for her weight loss.

Tiffani Thiessen Welcomes a Baby Girl  —  Tiffani Thiessen and husband Brady Smith have a reason to celebrate!  —  The couple welcomed their first child, daughter Harper Renn Smith, on Tuesday in Los Angeles, her rep tells PEOPLE exclusively.  —  Baby Harper, who weighed in at 8 lbs., 3 oz., is “doing great,” as are the new parents.

EXCLUSIVE: Megan Fox Is Engaged Again!  —  Megan Fox is engaged again, reports the new Us Weekly (on newsstands now).  —  On-again beau Brian Austin Green popped the question to Fox, 24, June 1.  —  But in all the excitement, the happy couple somehow lost the ring, sources tell Us Weekly.

Jennifer Love Hewitt Advises Girls to ‘Love the Way You Look’  —  In a world that's overly focused on body image, Jennifer Love Hewitt is urging young women not to obsess about weight - because it's simply not worth it.  —  “When I meet young girls, I'm always like, ‘Just do me one favor,’ ” she tells PEOPLE in its new issue.

Sony Pics High-Kicking ‘Karate Kid’ Sequel  —  After The Karate Kid's opening weekend gross of $56 million blew past its $40 million budget, a sequel to the Jaden Smith-Jackie Chan-starrer seemed inevitable.  Sure enough, agency sources tell me that Sony's Columbia Pictures execs are meeting …

Doug Liman ponders ‘All You Need Is Kill’  —  Doug Liman's name has bubbled to the top to potentially direct “All You Need Is Kill” at Warner Bros. The development sets up a potential internal war over the helmer's services.  —  Liman jumped aboard Warners' adaptation of “The Three Musketeers” in early May.

Elton John ‘a Little Surprised’ at Rush Limbaugh Wedding Invite  —  Add Elton John to those who were not expecting him to get an invite to Rush Limbaugh's wedding.  —  “To put it in Elton's exact words, when he got the invitation, he was ‘a little surprised,’ ” his partner David Furnish told PEOPLE …

X17 XCLUSIVE - Randy Jackson Rushed To Hospital  —  X17online exclusively has learned that Randy Jackson has been rushed to the hospital suffering from chest pains.  We're told that Michael Jackson's youngest brother was working on his brother's memorial gathering, to take place on June 25, when he started feeling the strong pains.