• Michelle Obama and Barack Obama taped a segment Wednesday for American Idol's "Idol Gives Back" episode Wednesday. They look almost this cute in a picture at the link. [Fox News]

• This morning Lindsay Lohan posted an incoherent rant about Samantha Ronson on Twitter. She writes: "can you make an attempt to not ruin ANYTHI...zG positive that i have FINALLY deserved just to cry myself to sleep with your cheats, errors..."

[Wootton Bassett, England; July 28. Image via Getty]

• Is Ashley Olsen getting married? The National Enquirer thinks so. It'll happen on the French Riviera next summer; she wants Karl Lagerfeld to make the dress and Annie Leibovitz to take the pix. Oh, the hubs-to-be is boyfriend Justin Bartha. [Daily Express]
• Ryan Reynolds ran the NYC marathon! His time? 3 hours and 50 minutes, faster than he anticipated. "It was an incredible experience," he says. He was asked how he'd celebrate and claimed: "I'll probably celebrate by eating my own body weight in raw dough." [People]
• Heh, things were "frosty" between Tina Fey and John McCain on Saturday Night Live. [MSNBC]
• A "crazed" Madonna fan stormed on to the set of Guy Ritchie's new movie and threatened to kill him. The teenager had a knife and was shouting, "I love Madonna." He was arrested, though if he were cast in Guy Ritchie's movie, that would be believable. [Mirror]
• Angelina Jolie and Brad Pitt's kids went trick-or-treating in Malibu on Friday. Maddox was a Marine; Zahara was a Jolly Green Giant; Shiloh was a sheriff. Need pix!!! [Star Magazine]

• John Mayer on his breakup with Jen Aniston: "There's no lying, there's no cheating, there's no nothing. Jennifer Aniston is the smartest, most sophisticated person I think I have ever met. People are different, people have different chemistry. I ended a relationship to be alone, because I don't want to waste somebody's time if something's not right." Hmm, does Mayer The Player have commitmentphobia? [People, UPI]
• John Mayer also says: "I'm sorry that the story's not interesting. But it's about time that somebody stands up for that girl and I think she's great." [OK!]
• Um, there's also video of John making these statements. He actually seems emotional. [TMZ]
• Okay, this report says that though they're going through a rocky time, John and Jen are not over. Then again, it also claims that "the birth of the Brangelina twins has got her down." Ugh. [The Sun]
• This report says that money was an issue with Jen and John. "Jen was tired of paying for everything," says a source. "Cobwebs come flying out of (Mayer's) wallet when he opens it. John liked living like a movie star when he was with her. Jen would never say anything, but you could tell it irritated her." [MSNBC]
• Ellen DeGeneres and Portia de Rossi tied the knot! The private ceremony took place at their home in Los Angeles. There were 19 guests, including both of their mothers. [Yahoo News]