Real age of Michelle Trachtenberg in Mysterious Skin
In the movie Mysterious Skin, Michelle Trachtenberg 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 Mysterious Skin was released:
January 1, 2004
And the day in which Michelle Trachtenberg was born:October 11, 1985
Since movies usually don't take more than one year to be released since the beginning of the filming process, Michelle Trachtenberg may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.