I'm pregnant!:  'Dirty' Christina finally comes clean about the worst kept secret in showbiz  —  Christina Aguilera has finally confirmed what the rest of the world already knew - she's pregnant.  —  Up to now, the singer, 26, has been keeping mum about her growing bump.

Transformers Star Arrested Downtown  —  You may have seen him stubbornly standing up to an invasion of evil robots this summer in "Transformers," but if you were in downtown Chicago early Sunday, you may have seen him stubbornly standing up to security guards at a local Walgreens.

What's Posh famous for?  Absolutely nothing, says slimmed down Lily Allen  —  The list of celebrities to have felt her wrath is almost endless.  —  From Bob Geldof to Paris Hilton, Kylie Minogue to Amy Winehouse, pop star Lily Allen has had an opinion on them all - and usually not a favourable one.

Third child for pregnant Cate  —  CATE BLANCHETT revealed during a glamorous red carpet appearance in Sydney last night that she is expecting her third child.  —  Wearing a pink dress that was draped in bright orange organza, Blanchett said she was in the early stages of pregnancy.

Stick-thin Posh is told she must eat more ahead of Spice Girls tour  —  There's not a spare inch of flesh on Victoria Beckham so I am shocked to discover that the twiglet-thin star is going on a diet ahead of the forthcoming Spice Girls Reunion Tour.  —  The shock is that the diet will involve Posh actually eating more.

Milla Jovovich Gives Birth to Baby Girl  —  Actress Milla Jovovich gave birth to a baby girl Saturday morning at L.A.'s Cedars Sinai Medical Center, sources tell Usmagazine.com.  —  It is the first child for the Russia-born Jovovich, 31, and her fiance, director Paul Anderson, 42.

Macca: I want Bea  —  Desperate Paul's fears over new Mucca MAdness  —  Exclusive By James Desborough and Rav Singh  —  POP legend Paul McCartney is applying for FULL CUSTODY of his four-year-old daughter Beatrice after estranged wife Heather's astonishing TV rant.  —  Macca, 65, has already consulted lawyers.

Kevin Federline to spill Britney secrets to Oprah  —  Kevin Federline is to reveal all about his troubled ex-wife Britney Spears in a TV interview with chatshow queen Oprah Winfrey.  —  Federline is expected to make an appearance on U.S. show Oprah early next year, for what is promised …

Emily axed from the X Factor  —  X FACTOR finalist Emily Nakanda has been booted off the show after The Sun exposed her "Happy Slap" attack on a teenage blonde.  —  The 15-year-old singer was given her marching orders yesterday after we printed stills from a video of her beating up the girl, named only as Anna.

Which Male Stars Are the Least Sexy?  —  Every year PEOPLE magazine names a sexiest man alive and Esquire names the sexiest woman in the world.  —  This year, in response to Charlize Theron's Esquire title, Maxim made their own list — the Five Unsexiest Women Alive — with Sarah Jessica Parker …

Lohan's Man in the Back Where He Belongs  —  Now that Lindsay Lohan and Riley Giles are out of Utah and in photog-friendly Los Angeles, Riley is playing his part well — by taking a backseat to his starlet girlfriend's celebrity.  Down in front!  —  Lohan and her recreational snowboarding boyfriend ate …

X17 XCLUSIVE - Britney With Her Kids!  —  Check out these Xclusive pics of our girl Brit spending some quality time with her two boys, Sean Preston and Jayden James, in Beverly Hills yesterday.  Those kids look so cute!  The Blackout singer decided to wheel the two around in a wagon while sippin' on a Red Bull.

SIGHting  —  Spotted: Kiefer Sutherland shooting scenes for 24, Saturday in the Georgetown area of Washington, D.C.  —  Doesn't he look drunk????

Owen Wilson's New York Adventures Continue  —  Owen Wilson and a female friend  —  He's been hanging out in New York for a few days, and already Owen Wilson is becoming a familiar face at city hot spots - from lunching downtown at Café Habana to dining at Graydon Carter's Waverly Inn with Sting and Lance Armstrong.