Real age of Dominic Monaghan in The Lord of the Rings: The Return of the King
In the movie The Lord of the Rings: The Return of the King, Dominic Monaghan was:
26 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 Lord of the Rings: The Return of the King was released:
January 1, 2003
And the day in which Dominic Monaghan was born:December 08, 1976
Since movies usually don't take more than one year to be released since the beginning of the filming process, Dominic Monaghan may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.