Loreto Peralta was 8 in Instructions Not Included when she played the character 'Maggie'.
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 6 movies in total, 5 of those since Instructions Not Included was released.
In Instructions Not Included, I think Loreto Peralta looks: