The news of Amy Winehouse’s tragic death continued to shock the world Saturday (July 23), with many of the 27-year-old’s celebrity fans taking to Twitter and Facebook to express their sadness in learning of the troubled singer’s passing. “Glee” cast members Darren Criss, Jenna Ushkowitz, Harry Shum Jr. and Dot Marie Jones joined in the thousands of Winehouse mourners devastated by the loss. Click here for more details.

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