Well, that’s a question with multifaceted ever changing answers, but today it’s so this photo could resurface from the filming of Nick Zedd’s Why Do You Exist in 1998.
You can see this and lots of other good stuff at the NICK ZEDD Movies page.
Or if you’re curious about the films themselves there are a few over at UbuWeb:
(What the hell happened to that dress? I wish I still had that dress.)