WORLD EXCLUSIVE: Arnold's Mistress Threatened To Go Public Four Weeks Ago  —  The mother of Arnold Schwarzenegger's love child threatened to go public with sordid details of their illicit affair — all because the Governator TERMINATED her employment.  —  A blockbuster RadarOnline.com …

Arnold's Love Child — The Birth Certificate  —  TMZ has obtained a copy of the birth certificate of the boy Arnold Schwarzenegger fathered ... and he's not listed as the father on the birth certificate.  —  As TMZ reported, Mildred “Patty” Baena — who worked as a housekeeper/assistant for Arnold and Maria — is the mother.

This Week's Cover: First look at Jennifer Lawrence as Katniss in ‘The Hunger Games’ — EXCLUSIVE  —  Fans of The Hunger Games - Suzanne Collins' terrifically urgent dystopian trilogy about children forced to fight to the death — have always been protective of 16-year-old heroine Katniss Everdeen.

Pitt Reflects On Paternal Side, On Screen And Off  —  You won't catch Brad Pitt doing fatherhood in a small way, on screen or in his real family life with Angelina Jolie.  —  In Terrence Malick's “The Tree of Life,” which premiered this week at the Cannes Film Festival …

Lars von Trier Makes Kirsten Dunst Squirm With Depression Comment  —  Danish director Lars von Trier was on a roll on Wednesday at the press conference for his new flick ‘Melancholia,’ which opened at the Cannes Film Festival.  Not only did he claim he was a Nazi sympathizer (he later apologized) …

Lady Gaga Tops Celebrity 100 List  —  The Queen Monster's $90 million in earnings and mastery of social media pushed her past perennial winner Oprah Winfrey.  Not that Oprah's doing badly.  —  LOS ANGELES — The men and women on our annual Celebrity 100 list—the most powerful people …

Ashton Kutcher On Joining ‘Men’: ‘I Am Surrounded By The Best’  —  NEW YORK, N.Y. — Ashton Kutcher is ready to work hard on his new job on CBS' “Two and a Half Men.”  —  The actor appeared at the CBS Upfronts in New York City on Wednesday with co-stars Jon Cryer and Angus T. Jones …

Jeff Conaway of ‘Grease’ and ‘Taxi’ in critical condition after apparent overdose  —  Jeff Conaway, who gained fame from his roles in the film “Grease” and the TV series “Taxi” before succumbing to substance abuse that landed him on reality shows dealing with rehabilitation ("Celebrity Rehab" …

Britney Spears Reveals Tour-Ready Abs  —  For most people, the idea of working out for more than six hours a day might sound like nothing short of torture.  —  But Britney Spears can't get enough.  For the last six weeks, she's been training for 90 minutes a day, followed by another five hours …

Zsa Zsa Gabor Falls Into a Coma  —  Zsa Zsa Gabor has slipped into a coma after being rushed to an L.A. hospital yesterday for emergency stomach surgery ... this according to her husband, Prince Frederic von Anhalt.  —  The Prince tells us the 94-year-old star has been unresponsive since 2AM this morning.

Gwyneth Paltrow Recommends Fans Get $18,000 Worth of Spring Clothes  —  Planting a garden filled with mint, kale, basil, and salvia isn't the only way Gwyneth Paltrow is getting ready for the warmer weather.  —  In the 38-year-old star's latest post on her healthy-living website GOOP.com, she shares her spring fashion picks.

EXCLUSIVE: William and Kate's $720,000 Honeymoon: New Details!  —  So in love in the Seychelles!  —  Newlywed royals William and Kate are spending a super-luxe one-and-a-half week honeymoon on North Island, one of over 100 islands in the lush African island-nation in the Indian Ocean …

COVER STORY: See Miranda Lambert's Wedding Dress!  —  Miranda Lambert didn't call in any special favors when the time came to select a dress for her May 14 wedding to Blake Shelton, her beau of five years.  —  Instead, the 27-year-old “House That Built Me” singer exchanged her vows …

Michael Sheen & Rachel McAdams Confirm They Are Dating  —  Michael Sheen and Rachel McAdams have finally confirmed one of the worst-kept secrets in Hollywood - that they are indeed a couple.  —  “Yeah, we are together,” the actor told PEOPLE Tuesday at the Cinema Society & Thierry Mugler screening …

Ralph Macchio: I Wasn't Surprised by Dancing Elimination  —  It was a sad farewell for Ralph Macchio and Karina Smirnoff, who were just shy of making it to the final round of Dancing with the Stars on Tuesday night.  —  But their elimination wasn't exactly a shocker.

The Skinny on Kate & Ginny  —  Weddings!  Babies!  Boys!  Something Borrowed costars Kate Hudson and Ginnifer Goodwin get down to some serious girl talk.  —  Plus, check out the photos from their cover shoot and see both Kate and Ginny's most memorable red carpet moments.