Abigail Breslin was 5 in Signs when she played the character 'Bo Hess'.
That was over 21 years ago in 2002.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 27, and has starred in 43 movies in total, 40 of those since Signs was released.
In Signs, I think Abigail Breslin looks: