Melissa Roxburgh was 18 in Diary of a Wimpy Kid: Dog Days when she played the character 'Heather Hills'.
That was over 12 years ago in 2012.
Today she is 31, and has starred in 12 movies in total, 9 of those since Diary of a Wimpy Kid: Dog Days was released.
In Diary of a Wimpy Kid: Dog Days, I think Melissa Roxburgh looks: