VIDEO : Chris Pratt Visited Seattle Children's Hospital

Actor Chris Pratt visited the Seattle Children's Hospital, and shared a couple of pictures on instagram to chronicle his experience. In one photo, he is pictured with a set of twins in the Neo--natal intensive care unit. He captioned the photo, and opened up about his own son, Jack's, premature birth. He wrote: "Ever since Jack's premature birth, we have a special affinity for the NICU (neo-natal intensive care unit)" He shared that the twins are doing just fine, thanks to the doctors at Seattle Children's. In another picture, he smiled with a young girl named Madisen, who is fighting cancer. He captioned the photo, and wrote: "What an awesome kid with such a beautiful smile. She's a lover of art and fashion and she's going places."