Madonna - sans boy toy Alex Rodriguez for a change - mixed a little business with a little charity during her most recent trip to Argentina. This stop in Buenos Aires was the most recent installment of Madge's "Sticky and Sweet" Tour.

While in town, she met with President Christina Fernandez de Kirchner, as well as anti-kidnapping campaigner, Ingrid Betancourt. Hopefully they were meeting on the details of "Evita 2: Electic Bugaloo."

Madonna sported the "Marilyn Monroe look" to avoid attention...

Click below to see more of Madonna, full from dinner and her humanitarian efforts:

Something is missing from these Madonna photos. Ah, that's right. Alex Rodriguez. [Credit: Splash News]