Rena's had a cute Paul Morrissey echo, but c'mon, for funny you can't beat how every actor Vorlander put in closeup sported a glossy acre of clogged forehead pores.
Showgirls was bad if you compare it to other regular movies. If you compare it to softcore movies though, I think it comes out looking pretty good. And after all, its got full-frontal Saved by the Bell nudity!