Watch 'Glee' Star Darren Criss Perform 'Teenage Dream' Live

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Darren Criss' debut on Glee last month was nothing short of a "dream" — his rendition of Katy Perry's "Teenage Dream" went on to become the show's best-selling single, and his turn as Kurt's new friend Blaine has fans clamoring for something more between them.

Criss was previously best known for the starring role in A Very Potter Musical, put out by his University of Michigan theater group Team StarKid. He's also no stranger to music: Criss writes his own original tunes and his brother plays in the indie rock band Freelance Whales.

Criss recently stopped by the Rolling Stone offices and sang to us about adjusting to his recent stardom and his hopes for Blaine's role on the show.