Dafne Keen was 11 in Logan when she played the character 'Laura / X-23'.
That was over 7 years ago in 2017.
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 3 movies in total, 2 of those since Logan was released.
In Logan, I think Dafne Keen looks: