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 / Updated  / Source: TODAY
By Matt Murray

It's hard to believe it's been 15 years since the Toros and Clovers faced off at nationals, but that doesn't mean we've forgotten about them.

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The lessons of the 2000 hit comedy "Bring it On," which brought us teen romance and spirit fingers galore, are still cemented in the brains of millennials everywhere.

To celebrate a decade and a half since the classic teen movie hit theaters, we're sharing 15 things we learned from Torrance Shipman and company.

1. Don't judge a book by its cover.

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Remember Missy?

2. It's cool to be a male cheerleader.

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Just ask "Jan, Jan, the cheerleading man."

3. Little brothers can be the worst.

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But we love them anyway.

4. Don't steal from the Clovers.

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They'll find out and they'll win anyway.

5. Punk never goes out of style.

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6. How to brush your teeth and flirt at the same time.

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Step 1: Don't get caught peeking.

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Step 2: Don't miss your chance to show off the pearly whites.

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7. Be open to new ideas, even if they seem a little weird.

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8. These are not spirit fingers.

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9. These are spirit fingers.

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And these are gold.

10. Why make a mixtape for a girl when you can write a song?

Is there any love song better than Cliff's "You're Just What I Need"? Okay, probably. But it's still pretty great.

11. It's okay to date your friends' siblings.

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12. Be original.

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That means don't hire a crazy choreographer to come up with your new routine — especially if it's Sparky Polastri.

13. People cheering cheerleaders? Yes.

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14. There's nothing wrong with coming in second place (especially when it's to the Clovers).

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15. The song "Mickey" will never go out of style.