5 things you never knew about …Baby One More Time

On its 16th birthday

Oh, baby, baby. If you remember Britney Spears' smash hit ...Baby One More Time hitting the airwaves (not to mention MTV), prepare to feel VERY old: the iconic song is celebrating the 16th anniversary of its release.

The single is officially one of the best-selling of all time, with over 10 million copies sold. It reached number 1 in every country in which it charted, and smashed just about every record imaginable.

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So sure, you're familiar with the words, the styling, the dance routine. 

But here are 5 things we bet you didn't know about a very modern masterpiece.

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1. Backstreet Boys and TLC turned the song down before it landed with the then-untested Mouseketeer Britney.

2. The initial concept for the video was based on a cartoon. It was Britney's idea to set it in a school.

3. The iconic schoolgirl outfit she wore in the video came from US discount megastore Kmart. It's said that no item of clothing worn in the video cost more than $17.

4. The school used for filming was Venice High School; the very same setting used in the film Grease

5. The guy who plays Britney's love interest in the video is her real-life cousin, Chad.

Now hit repeat.

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