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Shortly after celebrating their one-year anniversary, Cory and Lea showed up for a PaleyFest event honoring "Glee" creator, Ryan Murphy. Everything seemed to be pretty perfect for the couple, which is why everyone was in shock when Monteith's reps confirmed on March 31, 2013, that he had entered rehab for substance abuse. Naturally, Lea, who had taken to regularly wearing a "Cory" nameplate necklace, showed her support by releasing a statement of her own: "I'm grateful and proud he made this decision." (2/27/2013)

Cory Monteith and Lea Michele's Sweet Romance

Cory Monteith had been dating his "Glee" co-star Lea Michele for a year and a half before he tragically passed away in his Vancouver hotel room on July 13 at the age of 31. Take a look back at the couple's relationship.