Paget Brewster was 42 in Batman: The Dark Knight Returns, Part 2 when she played the character 'Lana Lang (voice)'.
That was over 11 years ago in 2013.
Today she is 55, and has starred in 36 movies in total, 14 of those since Batman: The Dark Knight Returns, Part 2 was released.
In Batman: The Dark Knight Returns, Part 2, I think Paget Brewster looks: