Real age of AJ Michalka in Secretariat
In the movie Secretariat, AJ Michalka 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 Secretariat was released:
January 1, 2010
And the day in which AJ Michalka was born:April 10, 1991
Since movies usually don't take more than one year to be released since the beginning of the filming process, AJ Michalka may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.