No, I'm not turning this blog into the all Thalia all the time blog, although it would probably help with my traffic if I did. I found the above video when I was looking for the bonus video to Thalia's Hot Stratfor Babe appearance and decided it needed a post of its own.
It is from the 2009 Fiesta Latina event. It starts with Thalia asking Obama to dance with her. He gets up and sort of salas around a bit with her and then sits down. The fun starts at about 3:55, when we get a shot of him and Michelle. Oh my, she doesn't look happy at all over the little dance. She's got a smile on her face, but her body language says, "you're sleeping on the couch tonight bub." It's a pretty funny little scene.