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• Lindsay Lohan says she wants to convert to Judaism so she can "prove her commitment" to girlfriend Sam Ronson. She even went to the great trouble of updating her Facebook status to "I'm converting." [Daily Mail, P6]
• Katie Holmes looked "gaunt and tired" at an LA restaurant over the weekend. It could just be the elaborate security precautions wearing her down: Tom's security detail insisted on "sweeping" the eatery before anyone sat down to eat. [NYDN, MSNBC]
• Chris Brown and Rihanna have left Miami for LA and are now staying at the Beverly Wilshire Hotel. The public outrage over the reconciliation continues, though. [E!, LAT, OK!, People]
Jimmy Fallon looked a bit "awkward" and "stiff" when his talk show made its debut last night with guests Robert De Niro and Justin Timberlake. [Us]

• Is Mariah Carey pregnant? Does anyone still care? [NE, Fox 411]
• A couple of guests got sick from the food at Elton John's Oscars party. [P6]
Gisele Bundchen was spotted out yesterday for the first time since getting hitched to Tom Brady. [TMZ]
• Lauren Conrad's young adult novel comes out in June. It's about a 19-year-old girl who "moves to L.A. and unexpectedly becomes the star of a reality television show." [People]
Chelsea Clinton celebrated her birthday with her parents at the 21 Club. But they had to send back the chocolate cake because both Chelsea and her dad are allergic. [P6]
• Madonna supposedly sent 100 copies of the horror movie It to Guy Ritchie after hearing about her new nickname. []
• Related: Madge might make appearances on Britney Spears' upcoming tour. [NYDN]
• Michael Lohan and Courtney Semel met up for lunch at the Beverly Hills Hotel and were seen speaking "very intensely and privately." [E!]
• R. Kelly is being sued by a P.I. who claims he got stiffed on a $300,000 bill during Kelly's child porn trial. [TMZ]
• Jennifer Aniston says she wants to be in a Bond flick with Daniel Craig. [People]
• Angelina Jolie started filming Salt yesterday. [USA Today]
• Jennifer Love Hewitt and Jamie Kennedy might be dating. [JC]
Harry Potter star Emma Watson got accepted to Yale. Congrats. [E!]