The Ultimate Archive: January Jones' Hottest Pics

January Jones' starring role in the new mystery-thriller Unknown (in theaters today) is her first step to establishing herself as a household name. With that new film, plus her next one being the highly-anticipated X-Men: First Class, in which she stars as the villainous Emma Frost, the gorgeous blonde's fame is bound to extend outside the esoteric, thinking-man's series, Mad Men, that has already made her a critical darling. But for the rest of America who'd assume that Sterling Cooper Draper Pryce is just LiLo's or Charlie Sheen's legal team, we've gathered the actress' sexiest photos, to make those who think AMC is just a chain of movie theaters start jonesing for January.