Reliable Source: Michelle Obama spotted at Solidcore session

Hey, isn't that Michelle Obama, dressed in black workout gear, leaving the Solidcore studio in Adams Morgan on Saturday afternoon? A Secret Service detail was the dead giveaway, our tipster says. The first lady divulged some of her fitness secrets earlier this week, telling radio host Ryan Seacrest that she works out for an hour a day. But now we've got some specifics: Solidcore promises the "toughest and most effective total body workout you've ever had" using patented Megaformer machines.