Tila Tequila's GF Gets Slap Happy in Vegas  —  TMZ has learned Tila Tequila's lesbian girlfriend was arrested in Vegas last night — for allegedly hitting on a guy!  —  According to law enforcement sources in Las Vegas, it all went down outside of Pure nightclub when a boozed up Courtenay Semel …

Bruce and Demi make daughter Rumer's big premiere a family affair  —  When Hollywood starlet Rumer Willis attended the premiere of her first major film on Wednesday, it was inevitable there'd be an A-list turnout.  Her movie star parents Demi Moore and Bruce Willis were on hand to support …

Matt Damon and His Wife Welcome a Girl  —  It's another girl for Matt Damon and his wife, Luciana, his rep tells PEOPLE.  —  “Matt and Lucy Damon had a baby girl named Gia Zavala on Wednesday, Aug. 20th.  Everyone's doing great,” Damon's rep, Jennifer Allen, tells PEOPLE.  “She is a healthy baby girl.”

Angie Harmon Pregnant With Third Child  —  “Angie Harmon and Jason Sehorn are thrilled to announce that they are expecting their third child,” her rep told Usmagazine.com exclusively on Wednesday.  “The couple originally denied reports that they were pregnant in an attempt to take back the right to release the joyous news themselves.”

OVERDUE DUET  —  THE long-awaited duet between Britney Spears and Justin Timberlake may finally be recorded.  Spies said Spears will team up with her ex-love for a song on her next album due at the end of the year.  The two were supposed to team up for her last album, but Spears …

Access Exclusive: Jennifer Garner Confirms Pregnancy  —  After months of speculation, Jennifer Garner has officially confirmed she is expecting a second child with her husband, Ben Affleck, in a new interview with Access Hollywood's Tony Potts.  —  “Thank you,” Jennifer told Tony …

Jessica Simpson: Tony Isn't Calling Carrie!  —  Jessica Simpson insists her beau Tony Romo isn't calling his ex Carrie Underwood.  —  “I looked at his call log,” she said Wednesday in an interview with a Nashville radio station.  —  Of Romo, Underwood tells September's Allure …

Pop Tarts: Anna Faris Felt ‘Awful’ Shedding 10 Pounds, Was Intimidated by Hef's Girlfriends  —  LOS ANGELES — Anna Faris makes jaws drop as the star of “The House Bunny,” but getting into shape and dropping 10 pounds to play the scantily clad character wasn't fun.

Bachelorette Castoff Jason Embraces Bachelorhood  —  When reality TV gives you lemons, you make prime-time lemonade.  —  Recent Bachelorette reject Jason Mesnick, whose heart DeAnna Pappas passed over in her own second-time-around quest for love, has signed on to be the new Bachelor when the ABC series returns in January 2009.

Ellen & Portia: We Talk about Having Kids  —  With their weekend nuptials now behind them - and chronicled in words and exclusive pictures in the new issue of PEOPLE - Ellen DeGeneres and Portia de Rossi are contemplating their future together.  —  They may not be alone.

Did Mayer Dump Aniston Via Text?!  —  The couple dubbed “Mayerston” had a fun summer fling that abruptly ended last week — but did the “Waiting on the World to Change” singer really dump his “Friend” via text?  —  If British tabloids are to be believed, then yes!

Gwen's about to give birth  —  It's D-Day — as in Delivery Day — for Gwen Stefani!  The singer checked into Cedars-Sinai Medical Center in Los Angeles and is scheduled to give birth via C-section at 10 a.m. PT. This will be the second child for Gwen, 38, and her husband Gavin Rossdale …

PRIVACY PRIORITY  —  IT was supposed to be a double celebration for twins Samantha and Charlotte Ronson Tuesday night, but suddenly camera-shy Sam bailed on their 31st birthday bash at the Bowery Hotel.  The deejay and her girlfriend, Lindsay Lohan, “fled the scene” when paparazzi swarmed the joint.

Side Dish: Ben Affleck's unconventional DNC agenda  —  Ben Affleck will be in Denver next week for the Democratic National Convention, but his schedule there will be anything but conventional.  “He won't be delivering speeches,” a friend of the actor told us.

First Look: Jessica Simpson's Stampede Ad  —  Jessica Simpson is sure determined to prove she's a real country girl — and now she's got the cold beer to go with it!  —  In her new ad for Stampede Light Plus, the Texas-born Simpson is in full cowgirl uniform, complete with cowgirl hat and bales of hay …

Frosted Phelps.  Will You Eat 'Em?  —  It's a sad day for Wheaties.  Kellogg's beat out the “Breakfast of Champions” for the honor of featuring Michael Phelps on Corn Flakes and Frosted Flakes cereal boxes.  —  Does anyone else miss the iconic orange background that usually goes along with Olympic victory?