. >> the moms included stacy keebler and model ann zee and the "today" show savannah guthrie, actress mila jovovich and aka, mrs. hemsworth. >> she was pregnant with twins in those shots. >> they displayed their baby bumps to the art shot. >> some bellies took 15 minutes to paint and some bellies took up to two to three hours to paint. a few of them we painted on their due date. there were a lot of contractions going on. >> my baby is going crazy. >> the idea for the belly art mind three days before i delivered my son, and i had this urge to turn my belly into objects. >> seven and a half years in the making sarah finally delivered her book, but not without some cravings along the way. >> we had a lot of pizza on set, cookies. all kinds of things and the women were, like, i'll take this and i'll take that and celebrating their tummies sticking out as far as they being. >> what would you have painted on your belly when you were pregnant. >> cupcake belly. it's the sweetest thing there is. >> yeah. >> all of the proceeds from the belly art project will go to every month counts, a charit