Real age of Julia Roberts in Fireflies in the Garden
In the movie Fireflies in the Garden, Julia Roberts was:
40 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 Fireflies in the Garden was released:
January 1, 2008
And the day in which Julia Roberts was born:October 28, 1967
Since movies usually don't take more than one year to be released since the beginning of the filming process, Julia Roberts may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.