It's Here! Sneak Peek Of All The Britney Music From Glee!

Oh. Em. Gee!!!!
Consider us filled with the amount of happiness that should make a single person EXPLODE!
Here’s a first listen of ALL the music to be heard on next week Britney Spears centric episode of Glee! (above)
Everything is all Britney, all AMAZING!!! (But with one exception…)
Do U have a fave yet?