Real age of Mia Wasikowska in I Love Sarah Jane
In the movie I Love Sarah Jane, Mia Wasikowska was:
18 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 I Love Sarah Jane was released:
January 1, 2008
And the day in which Mia Wasikowska was born:October 14, 1989
Since movies usually don't take more than one year to be released since the beginning of the filming process, Mia Wasikowska may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.