Kiana Madeira was 16 in Harriet the Spy: Blog Wars when she played the character 'Rachel Hennessy'.
That was over 14 years ago in 2010.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 31, and has starred in 19 movies in total, 18 of those since Harriet the Spy: Blog Wars was released.
In Harriet the Spy: Blog Wars, I think Kiana Madeira looks: