They heat up the concert stage when they perform for legions of screaming fans, and they steam up the small screen with their music videos. Who are these country music hotties, and what are the secrets of their sex appeal? Viewers will find out in CMT 20 Sexiest Women hosted by Hollywood actor Patrick Dempsey (Sweet Home Alabama). Dempsey will lead viewers through a bevy of beauties. Who will claim the No. 1 spot -- Faith Hill, Deana Carter, Shania Twain, Julie Roberts, or another sexy star?