Ben talks about dressing up in his Batman costume for his sons 4th birthday party. SUBSCRIBE to get the latest #KIMMEL: Watch the .br Ben Affleck, the star of the upcoming Batman v. Superman film recently celebrated his sons birthday. And he did it in the best way possible in the Batsuit. Affleck .br The official Jimmy Kimmel Live! YouTube Channel. Home of Celebrities Read Mean Tweets, YouTube Challenges and the rest of your favorite viral late night .br Father to children slightly older than Jimmys daughter, Ben compares raising his son to his two daughters, and the two talk about Bens upcoming role as .