Sterling Jerins was 8 in World War Z when she played the character 'Constance Lane'.
That was over 11 years ago in 2013.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 19, and has starred in 13 movies in total, 12 of those since World War Z was released.
In World War Z, I think Sterling Jerins looks: