Pink vs Miley split

Pink and Miley Cyrus performing

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Cast your vote for your favorite Top 5 single from the past year.

And then there were two: Round 4 of Hot 100 March Madness has drawn to a close, and with only two Top 5 hits from the past year still standing from the original field of 32, it's time to decide which song will emerge victorious and become this year's champion. Hundreds of thousands of votes kept "Just Give Me a Reason" and "Wrecking Ball" in the game, and now, it's time for one final round of voting.

To help choose the winner of Hot 100 March Madness 2014, check out the updated bracket of songs, and vote for your favorite track in the head-to-head match-up!

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BRACKET

From May 4, 2013 to the first week of March, there have been 32 songs that appeared in the Top 5 of the Hot 100 (check out the original bracket here). The match-ups within the bracket were decided arbitrarily, with all 32 songs given an equal chance of following past winners "Hold It Against Me" and "Scream and Shout," and securing a Hot 100 March Madness victory.

In the Final Four, P!nk and Nate Ruess had a tough go of it against Eminem (whom both have collaborated with in the past), but "Just Give Me a Reason" squeaked by "The Monster" with 52 percent of the votes cast. The battle between Pitbull & Ke$ha's "Timber" and Miley Cyrus' "Wrecking Ball" was even closer, but in the end, Cyrus wrecked her fourth competitor in a row with 51 percent of the vote. Two close calls, and two victorious pop divas. One question remains: will "Just Give Me a Reason" or "Wrecking Ball" become the third winner in the history of Billboard.com's Hot 100 March Madness?

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To give fans some extra time to vote, the Hot 100 March Madness championship has been pushed back a few days, to Monday, Mar. 31. Which Top 5 song will be crowned the hottest single of the past year? Vote now in the match-up below, and let's finish this year's Madness!

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