And just for fun Demi dancing lol, I remember Demi booty poppin with her friends at an airport or something but I can't find it. So this is the best I can do.
Source http://www.youtube.com/watch?v=N3lpo2g2VmA&feature=youtu.be
Source http://www.youtube.com/watch?v=eIRTevpj3B0