Now you see it, now you don't!  Mystery of Katie's vanishing 'baby bump'  —  Baby bump or unflattering dress?  That is the question.  —  While in Spain to celebrate David Beckham's last game with Real Madrid, Katie Holmes set tongues wagging after she appeared to have a bump under her clinging mini-dress.

Britney Ballistic Over Billboards  —  Singer may sue over radio show's "nut job" advertisements  —  Britney Spears is threatening legal action against a Florida radio station that used a bald-headed photo of the pop star on billboards that appear to call her sanity into question.

Shar Lawyers Up Against Star Mag  —  TMZ has learned Shar Jackson has hired attorney George Gallegos in her fight against Star Magazine's claims that she is pregnant once again with ex Kevin Federline's baby.  Popozao!  —  Shar, who denies the mag's claim, says her children are being affected …

Keri Russell Gives Birth to a Boy  —  Waitress star Keri Russell and boyfriend Shane Deary welcomed their first child, a son, her rep confirms.  —  River Russell Deary was born June 9 in New York.  The birth was announced on Monday.  —  Russell, 31, who gained fame on TV's Felicity …

Lindsay Lohan Cancels 21st Birthday Celebration  —  Lindsay Lohan's rep tells Usmagazine.com that the actress has canceled her 21st birthday party, originally scheduled to go down at PURE nightclub in Las Vegas on July 2.  —  "The party was canceled officially over two weeks ago.

TYPECASTING  —  NAOMI Campbell is pulling a Kevin Federline - making a mint off her bad reputation.  Campbell shot a commercial for Dunkin' Donuts yesterday in which she riffed on her anger-management issues.  According to a spy, the script called for Campbell to "be gardening in an evening dress.

PILLS AT FAULT  —  JOHN Travolta blames Virginia Tech, Columbine and all the other tragic school shootings not on the psychos who committed the heinous acts - but on psychiatric drugs.  "I still think that if you analyze most of the school shootings, it is not gun control.

GAYS WANT AXED ISAIAH BACK  —  ISAIAH Washington is getting some unexpected support in his bid to return to "Grey's Anatomy" - a petition drive spearheaded by a prominent lesbian and gay activist who insists he shouldn't have been axed for his homophobic remarks against co-star T.R. Knight.

Paris Roundup: Fergie Offers Hilton Her Support  —  Add another famous name to the list of people offering good will to Paris Hilton and her family: The Duchess of York.  —  Dining with three of her godchildren in Beverly Hills Sunday, Sarah Ferguson spotted Rick and Kathy Hilton, whom she had met on several occasions.

Paris Hilton: Her Neighbor's Hate Her Guts!  —  Paris Hilton is expected to be released from jail, a week from today, but she's not going to be receiving a warm reception from her Hollywood Hills neighbors. … The flyer was found near Paris' house this past weekend.

GOOD FOR MAMA  —  NO one was more thrilled that 50 Cent is $100 million richer than his baby mama, Shaniqua Tompkins, who's in a child-support case against the hip-hop star.  Fitty's windfall is due to his stake in Vitamin Water, whose parent company, Glaceau, was bought by Coca-Cola for $4.1 billion.

Baby Exclusive!  Milla's Gonna Have a Girl!  —  Looking to send a baby gift to mommy-to-be Milla Jovovich?  Try the li'l girls department.  —  Jovovich, I can exclusively tell you, is expecting a girl.  As I was the first to report, the 31-year-old beauty is pregnant …

Mojo bash salutes the mad, the bad and the addicts  —  If Amy Winehouse ever does go to rehab it will look a lot like the Mojo awards.  The singer joined a lineup of rock's casualties and "caners" who were inducted into the magazine's roll of honour last night.

Irate nabes get set for Hilton check-in  —  Paris Hilton is set for a warm welcome when she gets out of jail next week, of the flaming-torch-and-pitchfork variety.  —  Neighbors are peeved at the heiress for turning their street into a media circus.  —  A spokeswoman for L …

Rosie O'Donnell to Meet with Price Is Right Producers  —  Are Rosie O'Donnell's dreams of replacing Bob Barker as host of The Price Is Right about to become a reality?  O'Donnell has confirmed on her blog, rosie.com, that she's scheduled to meet with the game show's producers about the gig later this week.

Tiger's wife gives birth to a daughter  —  Tiger has a cub.  Less than 24 hours after Tiger Woods finished second at the U.S. Open on Father's Day, his wife gave birth to their first child, a daughter.  He announced Monday night on his Web site that Sam Alexis Woods was born early Monday morning.

Actress Jeri Ryan Marries French Chef  —  Jeri Ryan married French chef Christophe Eme in the French countryside over the weekend, her rep confirms exclusively to PEOPLE.  —  "There was so much love in the air," says wedding planner Lisa Vorce of Oh, How Charming! event production.