Well, it looks like like no one wants to break the ties, so I'll do it myself. It's not the ideal solution, but whichever song got more votes in the previous round will be the winner.
BRACKET 1
21 Jay-Z f/ Rihanna and Kanye West "Run This Town" def. 40 OneRepublic "All the Right Moves" (5-5)*
10 Black Eyed Peas "Meet Me Halfway" def. 11 David Guetta f/ Akon "Sexy Chick" (6-4)
BRACKET 2
2 Lady Gaga "Paparazzi" def. 22 Rihanna "Russian Roulette" (6-4)
12 Kesha "Tik Tok" def. 32 Nickelback "Never Gonna Be Alone" (8-2)
BRACKET 3
38 Kris Allen "Live Like We're Dying" def. 18 Cascada "Evacuate the Dancefloor" (6-4)
8 Kelly Clarkson "Already Gone" vs. 28 Pink "Funhouse" (7-3)
BRACKET 4
24 Boys Like Girls "Love Drunk" def. 4 Britney Spears "3" (5-5)*
7 Owl City "Fireflies" def. 14 Kings of Leon "Use Somebody" (6-4)
BRACKET 5
5 Miley Cyrus "Party in the USA" def. 25 Boys Like Girls "Two Is Better Than One" (8-2)
15 Lady Gaga "Bad Romance" def. 6 Beyonce "Sweet Dreams" (5-5)*
Wow, a couple surprising upsets that round (mostly just that ****** Boys Like Girls song taking down another heavy favorite). Well, here are the match-ups for round 3:
BRACKET 1
21 Jay-Z f/ Rihanna and Kanye West "Run This Town" vs.10 Black Eyed Peas "Meet Me Halfway"
BRACKET 2
2 Lady Gaga "Paparazzi" vs. 12 Kesha "Tik Tok"
BRACKET 3
38 Kris Allen "Live Like We're Dying" vs. 8 Kelly Clarkson "Already Gone"
BRACKET 4
24 Boys Like Girls "Love Drunk" vs. 7 Owl City "Fireflies"
BRACKET 5
5 Miley Cyrus "Party in the USA" vs. 15 Lady Gaga "Bad Romance"
My ballot:
BRACKET 1
10 Black Eyed Peas "Meet Me Halfway"
BRACKET 2
12 Kesha "Tik Tok"
BRACKET 3
8 Kelly Clarkson "Already Gone"
BRACKET 4
7 Owl City "Fireflies"
BRACKET 5
15 Lady Gaga "Bad Romance"