Jon Hamm's Talking Smack Again! Find Out Who's Pissed Him Off Now HERE!

Jon Hamm has dissed everyone from Kim Kardashian to Justin Bieber for their Hollywood egos. But the Mad Men star says he’s never met anyone with a bigger head than Ben Affleck!
Of course in this case he means it literally…
Ch-ch-check out the video (above) to see the heady conversation with Seth Meyers!