miley cyrusMiley Cyrus' 'L.A.-by-way-of-Nashville' jam 'Party in the U.S.A.' isn't going away anytime soon, thanks in part to a new Youtube clip that's been making waves online. The video features an endearing kid named Stephen Torrence enthusiastically rocking out in sign language to the bouncy pop tune. As evidenced by a quick browse through the Youtube comments, the cute video is making a lot of hearing-impaired tweens happy. And however you feel about the song, we can all agree that those facial expressions are priceless.