Jessica Simpson botched a Dolly Parton cover in front of her idol at the Kennedy Center, fled the stage in tears. Beyoncé is throwing Jay-Z a four-day birthday party next weekend in St. Barts, and it may also double as a wedding. Gayle King sometimes uses the n-word with her close friends, but not around Oprah. And, we presume, never at the Laugh Factory. Eddie Murphy’s Spice Girl ex is pregnant, but Murphy isn’t sure he’s the father. Peter Cook said he’s having a “tough” time dealing with his impending divorce from Christie Brinkley — his first public comments since the split. A young staffer at Allure got fired for selling beauty products from the office on eBay. Jennifer Lopez admitted to not spending much time thinking about the younger generation of Hollywood stars. The horror! Larry King’s current wife claims yesterday’s “Page Six” item about her husband owing money in Miami is “invented,” says Larry has cleaned up his act and donates lots to charity. Lance Bass and Reichen Lehmkuhl are through, though Bass may already have another boy toy. Hugh Jackman and Ewan McGregor practice their stroke at the Midtown Tennis Club. Sienna Miller is not respectful of airport rules and regulations. Today’s “Page Six” has three blind items, two of which may or may not be about Britney Spears and Paris Hilton. Brad Grey, Tom Freston, and Jim Wiatt ate lunch together. Kate Winslet was instrumental in her husband Sam Mendes’s, uh, “nailing” Julianne Moore. Leonardo DiCaprio was nice to a fan. A bit of sad news: George Clooney’s 300-pound potbellied pig, Max, passed away.