UPDATE: Cyndi Lauper's 'Girls Just Want to Have Fun' won in Round 2! Vote for 'Girls Just Want to Have Fun'’ in Round 3 of the competition here.

Welcome to March Music Madness! Here at PopCrush, we've selected 32 of the most iconic pop songs released from the '80s to today (divided into brackets by decade) — and now it's your job to vote and decide which song will be named the Greatest Pop Song of the Modern Era. May the best song win!

Here's what Bon Jovi's 'Livin' on a Prayer' and Cyndi Lauper's 'Girls Just Want to Have Fun' have in common: Both still retain the magical ability to immediately transport listeners to the mid-'80s -- and both have moved on to the second round of our March Music Madness competition! Our search for the Greatest Pop Song of the Modern Era pits a pair of very different artists against each other with their (also very different) signature songs.

The New Jersey rockers celebrated blue-collar existence with their loud and lively 'Livin' on a Prayer,' off 1986's 12-times-platinum 'Slippery When Wet.' The anthemic track, which handily beat U2's 'With or Without You' with 77.51% of the votes in our first round, is such a winner that it not only hit No. 1 back in the day, it charted for a second time nearly 30 years later!

Cyndi Lauper exploded onto the scene with her first-ever single, 'Girls Just Want to Have Fun.' The bouncy pop track, which topped Paula Abdul's 'Straight Up' with 79.48% of the votes in our previous round, peaked at No. 2 in 1984 but remains the song for which Lauper will be most remembered.

They're definitely different, but they're also both totally awesome! Which do you think deserves the title of Greatest Pop Song of the Modern Era? Vote below! You can vote once every hour until the polls close at 12PM ET on March 18. The winning song will move on to the next round of the competition.

Greatest Pop Song of the Modern Era 80s Bracket
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Greatest Pop Song of the Modern Era 90s Bracket
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Greatest Pop Song of the Modern Era 2000s Bracket
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Greatest Pop Song of the Modern Era 2010s Bracket
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