I just watched the Lucky Guy rehearsal vid, and it made me love the song a million times more. Go watch it, people, because that is some nice choreography. It really cooperates with the song in bringing you into a danc-y, let's-do-this mood. 

http://www.youtube.com/watch?v=7x_3tBWOY8c&feature=related

credits: kimhyunjoong606