Maria Canals-Barrera was 44 in Batman: The Dark Knight Returns, Part 1 when she played the character 'Yindel (voice)'.
That was over 12 years ago in 2012.
Today she is 57, and has starred in 25 movies in total, 10 of those since Batman: The Dark Knight Returns, Part 1 was released.
In Batman: The Dark Knight Returns, Part 1, I think Maria Canals-Barrera looks: