Chart-topper Darren Criss

Darren Criss’ cover of Katy Perry’s “Teenage Dream” topped the Billboard charts and, according to E! online, it also ranks as “Glee’s” greatest performance of 2010. “There’s a reason this is the best-selling track from “Glee”: Darren Criss,” the E! website says. “The dude just oozes charm. His voice, his confidence, the way he commands that glee club (and not in an annoying way like Rachel Berry) gets us every single time.” Click here to check out all of the Top 10 performances!