Madeline Carroll was 14 in Mr. Popper's Penguins when she played the character 'Janie Popper'.
That was over 13 years ago in 2011.
Today she is 28, and has starred in 19 movies in total, 9 of those since Mr. Popper's Penguins was released.
In Mr. Popper's Penguins, I think Madeline Carroll looks: