"Mom" star Anna Faris shows off photos of her son, Jack, and tells Ellen who the baby takes after more, herself or husband Chris Pratt. "He's got a huge head," she explains. Anna also tells Ellen about how she likes to prank her mom by sending racy postcards. "I just imagine the postman delivering [the postcards] and how embarrassed she would be! How can you not get a kick out of embarrassing your mom?!"