Elle Fanning was 2 in I Am Sam when she played the character 'Lucy (2 Years Old)'.
That was over 22 years ago in 2001.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 26, and has starred in 56 movies in total, 52 of those since I Am Sam was released.
In I Am Sam, I think Elle Fanning looks: