Not that you could tell because they're not dancing to the beat, anyhow, but this clip has been re-dubbed for youtube. It's not the actual song in the movie nor the real song they were dancing to. In reality, they were actually dancing to NKOTB but they replaced that in the movie with something generic that they could actually get a release for.
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"I always find it funny when chicks say that, because I hate sex but I still have it. Afterwards, I hate myself, I feel awful, dirty and sometimes cry. But it's worth it, if only to feel a little human every now and then."