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.

Ben Affleck's Democratic Convention Plan: Poker!  —  Ben Affleck is upping his stake in politics - with poker.  —  The Oscar winner, 36, will be in Denver this week for the Democratic National Convention, where he'll be celebrating at more than one political party.

HSM star wants £5m for no 4  —  PUSHY ZAC EFRON is demanding £5 million to star in High School Musical 4 —even though it's not been commissioned yet.  —  The 20-year-old stars as basketball player Troy Bolton in High School Musical 3: Senior Year.

Macca's missus meets the kids  —  LOOKS like SIR PAUL McCARTNEY has taken a big step towards getting hitched again after taking new love NANCY SHEVELL home to meet the family.  —  Daughter STELLA has already given him her blessing to tie the knot for the third time, as I revealed two weeks ago.

Hairspray's Amanda Bynes Involved in Minor Car Accident  —  Amanda Bynes, 22, was involved in a minor car accident Saturday afternoon in Los Angeles, police confirm.  There were no major injuries.  —  “Ms. Bynes was driving a BMW when she made an unsafe turn and another car hit her,” LAPD Sgt. Murrel Pettway told PEOPLE.

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!

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 …

Shannen Doherty and Jennie Garth Party at 90210 Premiere  —  Shannen Doherty and Jennie Garth joined the cast of CW's 90210 spin-off Saturday at a beachside bash to celebrate the show.  —  The party took place on the Malibu shore - about 20 miles away from the Beverly Hills zip code, the AP reports.

One Word: Yes!!!!!  —  We're just a littler over a week away from the debut of the new Beverly Hills, 90210 and the original bitches were out in full force this weekend.  —  Shannen Doherty and Jennie Garth attended the premiere party for the new CW show, Saturday night in Malibu.

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.

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.