Darren Criss (Blaine) stole our hearts with his swoonworthy version of Katy Perry's "Teenage Dream" on Glee last season. Now, he's taking on another Katy Perry hit. Darren performed the pop star's new single, "Piece of Me" during the TREVOR LIVE event in Hollywood on December 2. What do you think of his unique, guitar-focused take on the song?
Source: The Insider