• Madonna fell off a horse while riding at photographer Steven Klein's house in Bridgehampton on Saturday. She wasn't seriously injured, but don't think for a minute she's taking any blame for the spill. Her flack blamed the accident on a rogue paparazzo who jumped out of the bushes and startled the horse, although both the photographer in question and the police don't share that account. [NYDN, NYP, E!]
• Uma Thurman and Arpad Busson were rumored to be getting hitched in the Bahamas on Saturday, although there's still no word on whether any ceremony actually took place. [People, UPI]
• Has Lindsay Lohan gone straight? She was spotted "flirting relentlessly" with a group of guys including Leonardo DiCaprio at a club last week. [Sun]
• Rumor has it Naomi Campbell is thinking of moving to Moscow so she can be closer to boyfriend Vladislav Doronin. Say it isn't so! [DS]