Real age of Peyton List in Something Borrowed
In the movie Something Borrowed, Peyton List was:
12 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 Something Borrowed was released:
January 1, 2011
And the day in which Peyton List was born:April 06, 1998
Since movies usually don't take more than one year to be released since the beginning of the filming process, Peyton List may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.