Melissa Roxburgh was 17 in Diary of a Wimpy Kid: Rodrick Rules when she played the character 'Rachel'.
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 31, and has starred in 12 movies in total, 11 of those since Diary of a Wimpy Kid: Rodrick Rules was released.
In Diary of a Wimpy Kid: Rodrick Rules, I think Melissa Roxburgh looks: