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• Mariah Carey, Stevie Wonder, Usher, Lionel Richie, Queen Latifah, Jennifer Hudson, John Mayer, and a truck full of elephants (left) will all on hand for the Michael Jackson's memorial service in LA later today. Debbie Rowe and Elizabeth Taylor will not be there, however. [Reuters, NYDN, People, Us]
• Several ladies from the Real Housewives of New York are demanding more cash before signing up for another season of the show. In addition to "six-figure deals," they're asking for clothing, hair and makeup allowances and "a promised amount of screen time." You're shocked by this, we're sure. [NYDN]
• In other Housewives news, it looks like LuAnn de Lesseps may be reuniting with her estranged husband, and Bethenny Frankel is engaged. [P6, Us]

• Lindsay Lohan has been sued by a chemist for allegedly swiping the formula for her spray-on tanner, Sevin Nyne. [PH]
• An Australian tabloid claims Twilight star Robert Pattinson has knocked up Kristen Stewart, his onscreen and rumored real-life girlfriend. [NYDN]
• In other Twilight news, Kellan Lutz denies he's dating 90210's AnnaLynne McCord. That they were caught making out in the bushes and sneaking into a bathroom together at a party this past weekend casts some doubt on his assertion, however. [NYDN, P6]
• Diddy was not happy to see so many B-list celebritites at his 4th of July White Party. That means you, Tom Green, Tara Reid, and Tila Tequila. [P6]
• Bret Michael's tour bus was involved in car crash on the Fourth of July. But everyone is okay, you'll be relieved to hear. [Us]
• American Idol's Kara DioGuardi got married this past weekend. [People, Star]
• Actress Jenna Fischer from The Office is engaged. [People]
• Three's Company's Joyce DeWitt was arrested for DUI. [NYDN]