Sometimes we all just need a laugh and Jon Hamm and Jimmy Fallon supply that with a parody of Creed's "With Arms Wide Open." ...

Jon Hamm has made 12 appearances on The Tonight Show Starring Jimmy Fallon — and he was a guest on the special Sunday night ...

But Jon Hamm sported a roughed up look and new haircut ... The 44-year-old actor debuted a new hairdo that was short at the sides and long on top. He appeared to have a bald spot too, but ...