Hollywood Reacts to ‘Glee’ Star Cory Monteith's Tragic Death

Hollywood Reacts to 'Glee' Star Cory Monteith's Tragic Death

Shocked stars react to the 31-year-old actor's passing in Vancouver on Saturday

Cory Monteith's death hit Hollywood hard on Saturday night. The "Glee" star was found dead in a Vancouver hotel room. No cause of death has been determined, but Canadian police have ruled out foul play.

Monteith was just 31 years old. He had struggled with drug addiction in the past, most recently entering rehab last April for one month. He had first went to rehab when he was 19, telling Parade magazine that he "had a serious problem" at the time.

Also read: 'Glee' Star Cory Monteith Dead at 31

Also read: Cory Monteith Dead: 20 of the Actor's Greatest 'Glee' Performances

See photos: Cory Monteith's Life and Career in Pictures

Celebrities and Monteith's co-stars tweeted their reactions: