20 Famous People Who Tragically Died While Filming

These tragic celebrity deaths beg the question "What could have been?" For this list, we’ll be looking at celebrities who passed away during the filming of a movie or TV show. Our countdown includes John Ritter, James Dean, Aaliyah, Philip Seymour Hoffman, Steve Irwin, and more! Do you remember where you were when you heard the news? Let us know in the comments below!