Cory Monteith, 31, was found dead in a Vancouver hotel July 13, the same day he was scheduled to check out. The young Glee actor had just been out of rehab and even tweeting just hours after his death. A rep of his girlfriend Lea Michele had requested privacy for the actress, hinting the actress has not been able to issue a statement. The cause of death has not been officially confirmed, but authorities have ruled out foul play.

Cory Monteith, Dead at 31: Finn of 'Glee' Victim of Another Hoax or Real Tragic Demise? 5 Things to Know [PHOTOS]

There were rumours that Cory Monteith and Lea Michele had been engaged. She was very supportive of Cory when he went into rehab in April.

"We ask that everyone kindly respect Lea's privacy during this devastating time," Lea's rep had earlier told reporters.

At this time, please send nothing but love and light. This tragic news still doesn't seem real to me. I love you Cory.

— Harry Shum Jr (@iharryshum) July 14, 2013

Glee Season 5 was supposed to star Cory Monteith again, after the actor missed the final episodes of the previous season due to his stint in rehab. His character, Finn, had been shipped as 'Finchel' by fans supporting him and his real-life girlfriend Lea Michele, who plays Rachel Berry.

going through a million memories and emotions today. ill love you always Brother Cory. — Mark Salling (@MarkSalling) July 14, 2013

The Glee cast and crew as well as Finchel fans have been shocked by the sad news of Cory's death. Sympathies to Cory's family and loved ones are filling up the Twitterverse. Cory dead at 31 is one of the saddest things in the history of entertainment industry. The actor had been reportedly determined to start over. He was widely supported by fans and loved ones when he decided to check in to rehab in April.

Read more: Cory Monteith Confirmed Dead Says Publicist; Police Ruled Out Foul Play when Found at Hotel Room in Vancouver, Canada [PHOTOS/VIDEOS]

Some Glee stars, crew and guests have expressed their Cory Monteith tributes on Twitter. Mark Salling and Harry Shum, Jr. who play Glee's Puck and Mike, respectively, are inconsolable in their tweets above. Here are some more tweets: RIP CoryMontieth. You will be loved. Always. - Kristin Chenoweth (Glee guest star)

We talked about how lucky he felt to be alive-and sober. We talked about playing drums. Glad i knew you Cory. pic.twitter.com/1Ulq0nYBGz — John Stamos (@JohnStamos) July 14, 2013

#Finn, #PrayforLea, and #RIPCoryMonteith are now trending on Twitter.

Even though it was for Glee, at least Cory saw Lea in a wedding gown before he left! #RipCoryMonteith #PrayForLea pic.twitter.com/35B5vx40r6 — #RipCoryMonteith (@GagaWeen) July 15, 2013

Read More on Cory' Monteith's Death:

Cory Monteith Beyond Glee's Finn Hudson: A Brief Look at His 8-Year TV and Film Career (VIDEOS)
'Glee' Star Cory Monteith Found Dead in Canada [READ]
Glee Season 5 Spoilers, Plus Lea Michele and Naya Rivera Post Sexy Bikini Pics [PHOTOS]
Glee Season 5 Casting Updates: Finn and Finchel are Back; Quinn, Puck, Mercedes Not Returning? [PHOTOS]