Real age of Amber Tamblyn in The Grudge 2
In the movie The Grudge 2, Amber Tamblyn was:
22 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 Grudge 2 was released:
January 1, 2006
And the day in which Amber Tamblyn was born:May 14, 1983
Since movies usually don't take more than one year to be released since the beginning of the filming process, Amber Tamblyn may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.