Glee star Cory Monteith has died at age 31. He was best known for his role as football-player-turned-singer Finn Hudson and was currently in a real-life relationship with his onscreen love, Lea Michele. Cory's fellow costars and celebrity fans like Nina Dobrev, Kim Kardashian, Taylor Swift, Joel McHale, and Zooey Deschanel are already taking to social media to share their sadness over the devastating news. See below for their immediate reactions.

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