Real age of Jack Reynor in Stella
In the movie Stella, Jack Reynor was:
19 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 Stella was released:
January 1, 2012
And the day in which Jack Reynor was born:January 23, 1992
Since movies usually don't take more than one year to be released since the beginning of the filming process, Jack Reynor may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.