MAGIC Mike hottie Channing Tatum has been named Sexiest Man Alive for 2012 by People Magazine.The 32-year-old hunk took the crown from the Hangover heartthrob Bradley Cooper.Tatum, married to model and actress Jenna Dewan-Tatum for three years, shared: "My first thought was, ‘Y’all messing with me’."I told Jenna after we’d been in the bathtub washing our dogs.” She was like, ‘What?’ Yeah, she calls me the Sexiest Man Alive now.” People Magazine