March Madness Breakup Bracket Day 4: Britney Spears vs. Christina Aguilera; Kanye West vs. Toni Braxton

Vertigo Shtick has collected 64 of the best breakup pop tunes from the last decade or so to battle it out March Madness-style in a reader's choice tournament of getting over it!

Our first match of the day is a gem of random placement (seriously): Britney Spears' "Stronger" faces off against rival Christina Aguilera's "Fighter!"

In the other ring, Kanye West faces off against a badass Toni Braxton as "Heartless" meets "He Wasn't Man Enough."

Listen to the songs in each matchup below, and vote for your favorite for whatever reason you might think up! Readers will have 72 hours to log votes for these pairings. You're encouraged to use the comments to sway voters one way or another!

Match One

Britney Spears - "Stronger"

Christina Aguilera - "Fighter"

Which Song Do You Prefer?

Match Two

Kanye West - "Heartless"

Toni Braxton - "He Wasn't Man Enough"

Which of these Songs Do You Prefer?

Check out and vote on more matches in the Vertigo Shtick March Madness Breakup Bracket Game!