He was 31 years old.
The handsome young actor was a rising star in Hollywood, gaining fame and legions of fans for his portrayal of a mild-mannered, hunky high school quarterback on "Glee," as he starred opposite his real-life girlfriend Lea Michele.
With his movie-star good looks, smooth vocals and boy-next-door charm, Monteith was one of those celebs who was easy to love. His laid-back, clean-cut style always had us swooning, whether he was sporting his trademark football jersey, a dapper tuxedo, or a Vancouver Canucks baseball cap (his favourite hockey team).
We take a look back at some of favourite moments in honour of the beloved actor.
Click through the slideshow below for our style tribute to Cory Monteith.