Oh lawd Dereon..
Thank god she rejected this song... Her version is horrible, it lacks fire. Gosh, Britney has lost her hit-making swagger. This version sounds extremely plain, in comparison to the other version with Gaga & Bey.
..My god, I didn't know autotune could be possibly over-used to this extent.. I can't even recognize her somewhat unique tone of voice..
In conclusion, this version took the fire and life out of the song..