News Lea Michele Shares Heartbreaking Photo By Antoinette Bueno 10:14 AM PDT, July 29, 2013 Twitter.com Lea Michele has broken her silence on the death of her longtime boyfriend and Glee co-star Cory Monteith. "Thank you all for helping me through this time with your enormous love & support. Cory will forever be in my heart," she tweeted on Monday, July 29. Pics: Remembering Cory Monteith She also posted the picture above of the two in happier times, cuddling on the beach. Michele, her fellow Glee co-stars and show co-creator Ryan Murphy held a private memorial for Monteith Thursday, "to share memories and music in an emotional celebration" of the late star's life.Video: Flashback -- Cory and Lea Flirt on 'Glee' Set Monteith died from a mixed drug toxicity, involving heroin and alcohol, on July 13.