Real age of Jennifer Tilly in Monsters, Inc.
In the movie Monsters, Inc., Jennifer Tilly was:
42 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 Monsters, Inc. was released:
January 1, 2001
And the day in which Jennifer Tilly was born:September 16, 1958
Since movies usually don't take more than one year to be released since the beginning of the filming process, Jennifer Tilly may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.