I never dreamed that I would hear 10,000 people screaming...

I never dreamed that I would hear 10,000 people screaming when I stepped out onto a stage. Well, that's not entirely true. I dreamed about it but in a performing-on-the-stage-at-Staples-Center-or-Madison-Square-Garden context. But never in a I'm-in-a-movie-that-hasn't-even-come-out-yet one.