Here's a video you can send to your girlfriend. Tell her valentines day is coming up and she better get practicing. The only criticism I have of this video is she is wearing too much clothing which hopefully wont be the case with your girlfriend.
More related content from MadeMan: 4 Dancing Tips that Making Cutting a Rug Easy - "Not everyone can be a trained dancer. And for the purposes of getting down in a club, you don’t have to be. Men tend to think too much when they dance,which gives them a rather stiff, and well, unnatural appearance on the dance floor."