Brad Pitt With Vivienne & Knox (PHOTOS)

05/05/2011 03:24 pm ET | Updated Jul 05, 2011

Brad Pitt brought his almost 3-year-old twins, Vivienne and Knox, to the park and has the photos.

"It was the cutest thing ever,"'s photographer said. "Brad is totally in love with these two and they all seemed so happy. You would think he'd have a nanny with him but he was on his own. He really wanted some alone time with his youngest kids."

Here's one pic, see the rest here.