Kelly Clarkson Sings Soulful Version of “Shake It Off” at Her Concert In Buffalo [VIDEO]

At her concert in Buffalo on Saturday, Kelly Clarkson told the audience that she's about to sing her "favorite song out there right now, and you think you know it, but you don't." She then sang an amazing, soulful rendition of Taylor Swift's "Shake It Off." 

Even Taylor Swift loved it.

Taylor's new album "1989" was released today and you can win your own copy all week long. Just listen to Ya Favorite Homie JR starting at 7 weeknights for all the details.