Jon Hamm Swears That He Wears Underwear Every Day

Jon Hamm is putting rumors to rest regarding his underwear preferences. The "Mad Men" alum stopped by SiriusXM's "The Howard Stern Show" on Monday, and the radio host took the opportunity to ask his guest about a wild rumor that he had to be asked to wear undergarments on the set of the AMC series. "I have worn underwear every single day of my life, Howard," Jon assured.