Please help in finding this song

At Kohls, theres this song that goes " let it burn let it burn" i know its a woman singing, and its like a pop/dance song and its bothering me cause I want to know what this song is, its soooo good! lol

Is it possible that you really mean "fire away, fire away"?

"Titanium" by David Guetta featuring Sia
http://www.youtube.com/watch?v=JRfuAukYTKg

no thats not it. The word "fire" was not in this song.