Knox and Vivienne Jolie-Pitt Play in Budapest (PHOTOS)

While mom and dad hang out on set, Knox and Vivienne Jolie-Pitt got to know Budapest over the weekend, frolicking near their temporary Hungarian home with his-and-hers nannies.

The 2-year-old twins (who bear a striking resemblance to big sis Shiloh) stepped out without their siblings or their famous parents Angelina Jolie and Brad Pitt, who have been tied up with the filming of her directorial debut, a Bosnian war epic.

Click through to coo over the adorable shots of the Jolie-Pitt twins and sound off in the comments.