Debi Derryberry was 37 in Ice Age: The Meltdown when she played the character 'Diatryma Mom (voice)'.
That was over 18 years ago in 2006.
Today she is 56, and has starred in 87 movies in total, 40 of those since Ice Age: The Meltdown was released.
In Ice Age: The Meltdown, I think Debi Derryberry looks: