Kevin Federline now a paid party guest  —  Plus: Def Leppard is a vegetarian-friendly band  —  Want K-Fed to attend your party?  It will cost you!  —  Britney Spears' hubby has been earning extra cash by charging to show up at soirees; his fee for a cameo, according to In Touch Weekly, is a whopping $20,000.

The TomKat/Suri Conspiracy Timeline  —  It's been 86 days since the birth of Suri Cruise — and about a split-second since the latest conspiracy theory about Hollywood's most elusive baby.  —  New rumors surface by the hour — that Tom and Katie are holding out for a better magazine photo deal …

EXCLUSIVE: Angelina to Jen: I'm Not Done Yet  —  From Claude Brodesser-Akner's City of Industry blog.  —  It's not official yet, but in the next few days or so, you can expect the conclusive announcement: Angelina Jolie will be working for her better half, Brad Pitt, and doing so in a film produced …

Lance Gets Bawdy at the ESPY Awards  —  Armstrong hosting the ESPYs July 12  —  Lance Armstrong raised eyebrows - and got laughs - as host of Wednesday night's ESPY Awards, where he cracked crude jokes about new best friends Jake Gyllenhaal and Matthew McConaughey.

Keira Knightley: "I Don't Have Any Tits"  —  Keira Knightley is unhappy with the American media.  In particular, she's unhappy with the fact that they always make her breasts look bigger in movie posters and on magazine covers.  According to Life Style Extra, Keira is just fine with her small breasts …

Stop the insanity!  —  As if the city hasn't gotten skinny enough, stores are  —  rolling out size 00 jeans.  You heard us right.  —  Poor Victoria Beckham.  —  When British denim company David Bitton recently sent her premium jeans, the former Spice Girl Posh found herself swimming in them.

'Runway' model's traffic tragedy  —  Season three of "Project Runway" premiered on Bravo last night, but a tragic accident marred the finale of the Heidi Klum show.  —  Designers compete for $100,000, a car and other prizes, while their model wins a spread in Elle magazine.

Fashion line creates a suit for Beyonce  —  In the muggy doldrums of July, Lowdown's thoughts turn to civil litigation.  —  Yesterday, bootylicious Beyoncé Knowles got smacked with a $1.5 million lawsuit by a man who claims she breached a contract and didn't pay him enough for brokering …

Nick, Aaron Carter Get in Fistfight  —  Nick (left) and Aaron Carter at the TCA press tour July 11  —  PHOTO BY: FREDERICK M. BROWN / GETTY  —  Nick and Aaron Carter came to blows at their home on Monday, the night before they announced their new E! reality show House of Carters …

Paris, Nicole: Fighting on Simple Life 5?  —  Hilton (left) and Richie  —  PHOTO BY: DAVE HOGAN / GETTY; NPX / STARMAX  —  E! Entertainment Television has ordered a fifth season of the reality series The Simple Life, E! Networks president and CEO Ted Harbert announced at the Television Critics Association press tour on Tuesday.

Chevy Chase sets his daughters' hourly rate  —  Chevy Chase is an awesome father.  Not only does he stay in touch with modern mainstream comedy to stay hip with the youth, but he's not afraid to tell his daughters just how much they should value themselves.

Matthew To Jake: "I Didn't Steal Your Boyfriend"  —  News has been kinda quiet on the Spederline front these days ... I kinda don't blame Britney Spears for finding a dark cave to hide in considering all the hubbub she generated in the media recently.  Here's hoping she takes …

Slug Exclusive: Debbie Matenopoulos to Return to "The View"  —  Gasp!  This might make Star Jones Reynolds very angry.  Heck, it might make Barbara Walters very angry.  Debbie Matenopoulos is returning to "The View" for the July 25 episode, an ABC spokesman exclusively told asap and The Slug.

Mischa Barton Struggles With Fame in UK  —  Don't You Know Who I Am?!  —  As some of you may already know, Mischa Barton has recently decided to take the next step in her acting career and has enrolled in acting classes at the Royal Academy of Dramatic Art in the UK. … [via]

Comedian Red Buttons dies in L.A. at 87  —  LOS ANGELES - Red Buttons, the carrot-topped burlesque comedian who became a top star in early television then went dramatic to win the 1957 Oscar as supporting actor in "Sayonara," died Thursday.  He was 87.  —  Buttons died of vascular disease …

Christie Brinkley Calls It Quits with Husband No. 4  —  Supermodel Christie Brinkley recently told "Extra," "My life is full and rich."  But now comes more marital heartache for Billy Joel's former Uptown Girl.  —  Brinkley announced Tuesday that she and her fourth husband, handsome architect Peter Cook, have split.

EXCLUSIVE: What Mags Will Pay For Suri Pics  —  TMZ has contacted the big players in the bidding wars over celebrity baby photos, and you may be surprised at what a picture of Suri Cruise can fetch.  —  Editorial staffers from People, Us Weekly, In Touch, Life and Style and OK! …