Real age of Leelee Sobieski in My First Mister
In the movie My First Mister, Leelee Sobieski was:
17 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 My First Mister was released:
January 1, 2001
And the day in which Leelee Sobieski was born:June 10, 1983
Since movies usually don't take more than one year to be released since the beginning of the filming process, Leelee Sobieski may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.