Real age of Katie Holmes in Muppets from Space
In the movie Muppets from Space, Katie Holmes was:
20 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 Muppets from Space was released:
January 1, 1999
And the day in which Katie Holmes was born:December 18, 1978
Since movies usually don't take more than one year to be released since the beginning of the filming process, Katie Holmes may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.