My life is very pop music haha but these songs as good!

Not sorry - Taylor Swift
Mean - Taylor swift
Forever and always - Taylor Swift
War is over - Kelly Clarkson
Why should I be sad - Britney Spears (off blackout album actually that whole album is good)
Pinks - Fun house whole CD helped alot through a break up.
Shattered Glass - Britney Spears (circus album clearly I love Britney haha cause this whole album is good too for it!)
Encanted - Taylor Swift
Best Days of your life - Kelly Pickler

sia - girl you lost to cocaine funny/weird video to boot



jason derulo - ridin' solo something i like about this melody ,lol

Oh yes for those who mentioned Lilly Allen! her song F You is great too!

Hmmm my last break up included (but not limited to):

Adele (the whole 21 album)
Christina Perri (esp. Jar of Hearts, but the whole thing is good)
Taylor Swift (The Story of Us, Dear John, Last Kiss, pretty much anything)
Gotye - Somebody that I used to Know
Demi Lovato - Skyscraper
Lady Antebellum - When you were mine, Dancin' away with my heart, Wanted you more, as you turn away

Oh and A Little Bit Stronger by Sara Evans...that song is sooooo true.

shake it out - florence + the machine ...this song describes my last breakup to a T

I love "a little bit stronger" by sara evans, which I notice someone mentioned but it got me through my last upset

Also stand beside me by jo dee messina, set fire to the rain (adele) and stay by sugarland

.. If it's more of an angry thing you could go with bust your windows by jazmine sullivan, he better be dead by stealing angels, and before he cheats by carrie underwood