Watch Darren Criss's Blaine Sing Katy Perry's "Teenage Dream" in Glee Season 4, Episode 4: "The Break Up" (VIDEO)
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It was the episode that set fire to all of our 'shipping dreams: Glee Season 4, Episode 4: "The Break Up." Watch Blaine (Darren Criss) sing Katy Perry's "Teenage Dream" to Kurt (Chris Colfer) and try not to end up in a puddle of tears on the floor.
