1. First things first, Britney took the schoolgirl outfit, the symbol of sexual perfection to grown adult men everywhere, and made it HERS.
2. She rocked the sweatpants like nobody's business.
3. She wasn't cocky about the number of people who would be in the gym watching her dance.
5. She constantly redefined her signature color.
6. She knew how to stick to a theme!
7. She knew about memes before we even did!
8. She wasn't afraid to cross-promote.
9. She always always showed her stomach.
10. She knew the power of a good shimmy.
11. She rocked a green hat like "Yeah, whatever, I do what I want."
12. She made the compelling argument that when we find life on Mars, it's probably just gonna be human beings in red latex jumpsuits.
13. She combined the mystery of space with the allure of "Titanic."
14. She gave us a glimpse at glamorous Hollywood life.
15. She legit gave her character an Oscar in the "Lucky" video. And you know what, she deserves it!
16. She proved that the best payback is sexy chair dancing and dramatically strutting across a bridge.
17. She knew that you have to cast LITERAL MODELS to play your boyfriends in your videos.
18. She knew how to keep people happy in a heat wave (dance party, duh!)!
19. She could throw a warehouse party with the best of 'em.
20. She realized that what she did was pure genius artwork.
21. She used her locations as a metaphor for her emotions.
22. She adapted her style when she sang a cover.
23. She easily juggled both cross-promoting Austin Powers and collaborating with Pharrell.
24. She knew how to work it with her hair!
25. She immortalized this move, forever!
27. She also really took advantage of the popularity of "Alias"!
28. She... I mean, come on, we all watched the "Making the Video." FLAWLESS!
29. She super strategically used that kabbalah bracelet.
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