Pentatonix – Evolution of Beyonce A Capella [VIDEO]

The a capella YouTube quartet that brought you that outstanding cover of Lorde's "Royals" is back with the Evolution of Beyoncé!

The Pentatonix are incredibly talented, and their a capella covers of modern pop music has gotten them a lot of attention online.  Watch this amazing version of nearly every big hit record from Beyoncé!