‘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.

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.

Charlie Sheen/Brooke Mueller Divorce Documents  —  Charlie Sheen and Brooke Mueller signed a 43-page agreement — obtained by TMZ — that lays out who gets what in the event they divorce ... and Brooke has made it clear ... she's not going to get less than Denise Richards.

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!

‘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 …

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 …

Robert Pattinson dumps Kristen Stewart  —  Robert Pattinson has had enough of Kristen Stewart's negative attitude and finally called it quits, Life & Style has learned.  —  In fact, Life & Style can reveal that Rob broke things off with Kristen earlier this year.

Gabourey Sidibe's Mother Impresses on 'America's Got Talent'  —  Oscar-nominated actress Gabourey Sidibe isn't the only talent in the family.  —  Her mother, Alice Tan Ridley, is a well-known subway performer with a huge, booming singing voice.  And Ridley used her vocal chords to wow the judges on 'America's Got Talent.'

Miley Photo Controversy!  Perez Responds  —  Our official statement (above)!

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 …

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 …

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.

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.

Nicolas Cage To Return As ‘Ghost Rider’  —  Nicolas Cage is revving up for a Ghost Rider sequel - the actor has signed to star in a follow-up.  —  Rumors of a sequel have been rife in recent months, and now movie bosses have persuaded Cage to ride back into action as demon vigilante Johnny Blaze, according to producer Mike De Luca.

BETTY WHITE AND LATE HUSBAND HAVE SEX PICTURES — REPORT!  —  BETTY White is kinky little devil if this latest report is to be believed!  —  According to insiders, there's a small collection of photos which depict the the actress, 88, and her late husband, television host Allen Ludden, engaging in sexual activities.

Porn star: My 9-year-old is Tiger's cub!  —  It's open season on Tiger Woods.  —  As the disgraced golfer took to the links Tuesday at the U.S. Open, one of his mistresses claimed she has been caddying around his love child for nine years.  —  And renewed reports emerged about another paramour's claims …