They sure dont. However, they do in this victoria secret show during Moves Like Jagger. I have never watched those shows so I dont know what they normally do. Perhaps they are suppose to be more animated because it used to be televised. You dont want a bunch of grim looking chics on prime time
https://www.youtube.com/watch?v=h0LiMltCS94
The girls in that video had pretty faces, but their bodies need some fried chicken for sure...SKIIIIINNY!!!!!!