Madonna Kicks Off World Tour in Knee-High Boots  —  Sitting on a diamante “M” throne in a fringed black leotard and over-the-knee leather boots, Madonna kicked off her Sticky and Sweet tour Saturday night at Cardiff's Millennium Stadium in Wales, opening with “Candy Shop.”

Cops to Diddy: Freeze!  —  Diddy was introduced to the barrel of a gun early this morning.  —  Law enforcement sources tell TMZ at around 3:00 AM, Puff Daddy, aka Diddy, aka Sean “Puffy” Combs, aka Sean Combs, was being driven by an entourage on the Sunset Strip.

OK!  Exclusive: Michael Lohan to Spar With K-Fed?  —  The last thing the Lohan family needs another celebrity feud, but OK! has learned that the patriarch of the scandal-magnet clan, Michael Lohan, intends to throw down the gauntlet and challenge Kevin Federline to a boxing match!

James Blake on John Mayer: No High School Lothario  —  James Blake and John Mayer on Aug. 21.  —  Before he had game, John Mayer was a big gamer.  —  For three years in elementary and junior high school in Fairfield, Conn., the Grammy winner spent almost every afternoon playing Nintendo …

My Name Is Earl's Jason Lee Welcomes a Girl  —  Jason Lee and Ceren Alkac  —  My Name Is Earl star Jason Lee and his girlfriend, Ceren Alkac, are the parents of a girl, PEOPLE confirms.  —  The baby was born Aug. 10, a rep for Lee says.  No other details were announced.

Celebs to Rally Behind Barack Obama and New VP Joe Biden  —  Political party, indeed.  —  Jennifer Lopez, Ben Affleck, Charlize Theron and Rosario Dawson are among the throngs of celebs who will invade the Democratic National Convention (kicking off Monday in Denver), where Barack Obama will officially accept his party's nomination.

Daniel Radcliffe: 'i'm Not Scared About Nude Scenes'.  —  Daniel Radcliffe: 'i'm Not Scared About Nude Scenes'.... Daniel Radcliffe is preparing to bare all in the final film of the Harry Potter franchise - and insists he isn't scared about stripping off on screen.

Beckhams Escape Unscathed After Crash  —  Victoria Beckham and her husband David escaped unscathed following a terrifying car crash in France on Friday.  The couple was visiting their home in the village of Bargemon, close to the French Riviera, last week before the soccer star was due to fly to Beijing …

Lance Bass: Christina Applegate ‘Fully Recovering’  —  Christina Applegate coped with her double-mastectomy recovery in the hospital by doing crossword puzzles and crafts - and getting an outpouring of love from friends.  —  “I was at the hospital holding her hand and getting her through it,” longtime friend Lance Bass tells PEOPLE.

Charlize Theron is Shinjuku Sexy  —  Charlize Theron poses for photographers during the Hancock stage greeting at cinema complex Shinjuku Piccadilly on Saturday in Tokyo, Japan.  Hancock opens on Saturday, August 30 in Japan.  —  The always-gorgeous actress, who turned 33 earlier this month …

Mario Lopez: Eva ‘Gets a Kick’ Out of Pregnancy Rumors  —  Is that a belly - or a baby bump?  —  As the latest round of pregnancy rumors swirl around Eva Longoria Parker, good pal Mario Lopez says she's falling back on her usual coping mechanism: Humor.  —  “We get a laugh out of it,” …

OMG!  Ryan Gosling and Rachel McAdams Kissing at Lunch!  —  Could these photos be any more amazing!?  Ryan Gosling and Rachel McAdams aren't just back together; they are immediately the cutest couple ever.  Sorry, sorry, I can try to contain my excitement, but these photos are just the icing …

Miley Cyrus's Birthday List: Puppy, Wii Fit and a Big Car  —  Miley Cyrus  —  What does teen sensation Miley Cyrus have in store for her upcoming Sweet 16 party at Disneyland?  Ice cream cake, water rides and - fingers crossed - a brand new car!  —  “I definitely want to get something bad on the road …