Britney Spears: The Complete Video Guide

Best Known For: Being the most iconic clip ever set in a high school.

Plot: Liberated by the school bell, a Catholic-schoolgirl-clad Spears has an elaborate daydream that involves grooving in the hallway, doing back-flips outside of school and rocking out on the basketball court. Even the grumpy teacher feels the beat (sorta) by the end.