Love is in the air on this week's all new CMT Hot 20 Countdown. Tune in as we celebrate Valentine's Day a little early. Plus, American Idol alum Casey James drops by to chat about his video, "Crying on a Suitcase," and American Pickers star Mike Wolfe talks about finding unique treasures. We get the scoop on Sunday night's Grammy Awards and the country artists nominated for honors. Julianne Hough and Josh Duhamel talk about filming Safe Haven.