Meet Vivienne & Knox Jolie-Pitt  —  They are just 3 weeks old, but twins Knox Léon and Vivienne Marcheline are about to take the world by storm.  —  In an exclusive interview and photos, Brad Pitt and Angelina Jolie offer PEOPLE an intimate look at their growing family.

OLSEN TO HEATH FEDS: LET'S DEAL  —  DEMANDS IMMUNITY FROM PROBERS  —  Pint-size actress Mary-Kate Olsen has refused to be interviewed by federal investigators probing the accidental drug death of her close friend Heath Ledger unless she receives immunity from prosecution, The Post has learned.

Jonas Brothers, Gossip Girl Win Six Teen Choice Awards  —  The Jonas Brothers and the CW hit Gossip Girl were the big winners at Sunday's Teen Choice Awards.  —  Both took home six awards each.  —  Gossip Girl was honored for choice TV drama, breakout show, breakout male actor (Chace Crawford) …

Sunburned Sly Stallone, 62, shows of his buff body... and his wife's not bad either  —  Hollywood hardman Sylvester Stallone appeared to be a touch overcooked as he sported his two giant shoulder tattoos on board retail entrepreneur Philip Green's luxury yacht.

Jennifer Garner Gives Speech For Obama  —  A pregnant Jennifer Garner gave a “witty, clever” speech supporting presumptive Democratic presidential candidate Barack Obama at a fundraiser on Saturday night, People reported.  —  Joined by husband Ben Affleck, as well as friends Matt Damon and wife Luciana …

Heartbroken Sienna flees to her father in Virgin Isles as Balthazar reunites with his children  —  Sienna Miller has fled to the Virgin Islands as her married lover reunited with his children.  —  The 26-year-old actress is said to be devastated after oil heir Balthazar Getty met his wife Rosetta for heart-to-heart

Pop Tarts: Miley Cyrus Puts on Brave Face Despite New Racy Photos  —  LOS ANGELES — Someone needs to keep Miley Cyrus away from the cameras ... at least the personal cameras anyway.  —  The “Hannah Montana” sensation is embroiled in yet another photo scandal, with the latest photos showing …

Leo — Lowering the Bar  —  With rumors that he and superbabe Bar Refaeli have broken up, Leonardo DiCaprio chilled on a yacht in Ibiza with a smoke, binoculars and pals on Saturday.  —  Don't worry Big L — you'll find someone.  You're the king of the girls.  —  See Also

TYRA'S DRESS-UP  —  TYRA Banks - the mastermind of gimmicks - is at it again.  Banks - who once had her breasts examined on TV to show everybody they were “real” - is now dressing up as Michelle Obama for the September cover of Harper's Bazaar.  “It's a full makeover,” said one spy.

New gang lined up for “Scooby-Doo” TV movie  —  LOS ANGELES (Hollywood Reporter) - A third “Scooby-Doo” movie will begin production Monday in Vancouver, but will bypass theaters and feature a cast of unknown actors.  —  “Scooby-Doo: In the Beginning,” a live-action/computer-animated film …

Madonna Gets (Early) Birthday Serenade for 50th  —  Madonna received an early present for her 50th: fans in her home state of Michigan sang “Happy Birthday.”  —  Hundreds of people flocked to the Fourth Annual Traverse City Film Festival where the Material Girl - with daughter Lourdes …