Anyways, I couldn't dance to save my life when i went to morp (reverse prom where girls ask the guys), but I just kinda improvved it. If its slow dance, just do what she does, lol. There's not much to it, as long as you have the ability to walk and do side steps, you should be able to dance fine.
http://www.wikihow.com/Dance
Enjoy
http://www.wikihow.com/Dance
Enjoy