Bonnie Wright was 17 in Harry Potter and the Half-Blood Prince when she played the character 'Ginny Weasley'.
That was over 15 years ago in 2009.
Today she is 33, and has starred in 21 movies in total, 12 of those since Harry Potter and the Half-Blood Prince was released.
In Harry Potter and the Half-Blood Prince, I think Bonnie Wright looks: