Why Is Ian Somerhalder So Hot? 5 Weird Fan Questions Answered by Wetpaint Entertainment

According to The National Enquirer (via Jezebel), Mad Men star Jon Hamm lets it all hang out. Back in October 2010, a source told the tabloid, "Jon refuses to wear underwear and there have been so many close calls on the [Mad Men] set that someone finally had to tell him to secure his goods."

True or not, that report is hilarious.