Real age of John Candy in Sing Yourself Silly!
In the movie Sing Yourself Silly!, John Candy was:
39 years old
That was the real age of the celebrity according to our calculation.
The calculation of the shown age took into account the first day of the year in which the movie Sing Yourself Silly! was released:
January 1, 1990
And the day in which John Candy was born:October 31, 1950
Since movies usually don't take more than one year to be released since the beginning of the filming process, John Candy may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.