Real age of Daryl Hannah in Steel Magnolias
In the movie Steel Magnolias, Daryl Hannah was:
28 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 Steel Magnolias was released:
January 1, 1989
And the day in which Daryl Hannah was born:December 03, 1960
Since movies usually don't take more than one year to be released since the beginning of the filming process, Daryl Hannah may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.