Bonnie McKee Gets Christmas Cozy Covering Leonard Cohen's Classic Song Hallelujah!

Get a load of this Teenage Dream nestled by a fireplace!
Bonnie McKee, the hit-maker behind some of Britney Spears and Katy Perry‘s biggest songs, decided to treat fans to a rocking (and festive) rendition of Leonard Cohen‘s song Hallelujah…
And it’s FRIGGIN’ AH-mazing!
Ch-ch-check out her pop powerful vocals in this stirring cover of the classic (above!)
P.S. – CLICK HERE to check out a gallery of Celebrity Twitpics & Instagrams From Christmas!