Madeleine Arthur was 20 in To All the Boys I've Loved Before when she played the character 'Christine'.
That was over 6 years ago in 2018.
Today she is 27, and has starred in 11 movies in total, 5 of those since To All the Boys I've Loved Before was released.
In To All the Boys I've Loved Before, I think Madeleine Arthur looks: