Last year, we ran a super-sized competition to determine the greatest pop song in modern history, from the ’80s to today. And now, we’re back — and this time, it’s all about honoring the best and boldest in music videos.

It's time to get, like...totally '90s.

The '90s brought us myriad pop culture blessings — Clueless, tattoo choker necklaces, Daria, Pokémon — and of course, some of the best in pop music videos, including two legendary releases by two enduring icons of the pop world: Britney Spears' debut single, "...Baby One More Time" and the Backstreet Boys' "Everybody (Backstreet's Back)." Alright!

The pigtails. The Catholic schoolgirl uniform. That round-off back handspring. Even if you've never seen any other Britney video (which, how?), you've seen Britney's iconic debut music video. "Iconic" feels like an understatement, really: At the time, the American Dream was just 17 years old — and already causing panic in the industry (I mean, please!) with her shimmying, scandalous performance.

Fun fact: The teacher at the beginning of the video is played by her real life assistant and family friend Felicia Culotta, who still works with Britney to this day. Also, here's some great timing: As of today, we now know the real meaning behind the song!

In terms of pop videos, BSB's "Everybody" raised the bar to a whole new level: The campy, creepy and super glossy Joseph Kahn-directed production is quintessentially Backstreet at their best, spoofing Michael Jackson's classic spook-tacular "Thriller" (which also happens to be competing in this bracket series!) and providing that boyish, goofy charm that made them global sensations — which they remain to this day.

It's time now to decide: Which video moves on the next round? Place your vote in the poll below. We'll reveal the winner right here on Nov. 17 at 5 PM ET. Go, go, go!

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