If she dances, then yes. It's a lot more common in pop music than you might think. Another reason why I like rock is that we do less of it.
By the way, pretty much every artist you see on TV lip-syncs 95% of the time. Appearances on things like the Today Show, Superbike and even SNL.
I wrote a nice little track on my music page. Let's see if I can find it.