Real age of Jessica Simpson in The Master of Disguise
In the movie The Master of Disguise, Jessica Simpson was:
21 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 The Master of Disguise was released:
January 1, 2002
And the day in which Jessica Simpson was born:July 10, 1980
Since movies usually don't take more than one year to be released since the beginning of the filming process, Jessica Simpson may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.