from prince william himself on what it's like to be a proud papa. here is abc's karen travers. >> reporter: his first official photo shoot but it looks like prince george slept through it like a baby. kensington palace released two photos, of prince william, duchess of cambridge and the little prince. taken by katherine's father taken at the middleton's family home this month. last month prince george had a world debut fit for a future king. and new dad prince william said he was happy to show off the little prince. >> i'm just glad he wasn't screaming his head off. >> reporter: prince william sat down with cnn for his first interview since he and katherine welcomed prince george last month. the royal heir isn't a-month-old but his dad said he has quite the personality. >> he is a little bit of a rascal. let's put it that way. >> reporter: prince william sound smitten, when it comes to his son's sleep habits he sounded like any new exhausted parent. >> doesn't want to go to sleep that much. a little problem. >> up a lot at night? >> little bit.