Olivia DeJonge was 12 in Good Pretender when she played the character 'Ally'.
That was over 13 years ago in 2011.
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 12 movies in total, 10 of those since Good Pretender was released.
In Good Pretender, I think Olivia DeJonge looks: