16 Year Old Sings "Hallelujah", But Wait For What Happens At 1:50. Goosebumps!

McKenna, who is just 16-years-old, is accompanied by an entire orchestra of instruments, as well as a full-choir.

Even if you believe that you already have a favorite version of "Hallelujah," get ready, because this one may move up to the top of your list!