It's Wednesday... I'm Wondering... What do you think...

...are the most interesting stage/screen
depictions of sexually slanderous kids?

I'm beginning work on a project that considers stage &/or screen narratives
centering around adolescent characters who "play" grown up games
(especially those involving sex, lies and miscellaneous depravity).
So, I turn to you, lovely reader:
What are your favorite depictions of sexually slanderous teens?

It's Wednesday... I'm Wondering... What do you think...

...are the most interesting screen comedies
depicting theatrical or other performances?

See, I'm working up a list of films that present "performance" in compelling, comedic ways and I'm wondering what I'm missing.
So, I turn to you, lovely reader:
What screen comedies "about" performance are among YOUR favorites?