And you thought Umbridge couldn't get any scarier

A VERY POTTER SEQUEL
YAS!
YAAAS!
"Rule 1. No boys (unless they're cute!)
Rule 2. No alcohol (unless there's plenty to go around!)
Rule 3. No parties (unless umbridge is unvited!)
No but seriously, if I find boys in here imma rip your perky little boobs off!"

I listened to this soundtrack all weekend! It's so good!

Where is this from?

A-teh-hur-hur-t-hur-ter.