Five Finger Death Punch closed out their Rock Allegiance Festival set last night with a very special guest appearance. Watch the incredible performance below!

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In This Moment's Maria Brink joined Five Finger Death Punch onstage during their set closer in Camden, New Jersey. The frontwoman helped the band end their set by doing guest vocals for “The Bleeding” and it's enough to give you chills.

You can watch their amazing performance below.

What did you think of Brink's performane with Five Finger Death Punch? Let us know in the comments below.