Mickie McGowan was 73 in The Lorax when she played the character 'Additional Voices (voice)'.
That was over 12 years ago in 2012.
In 2022 she died aged 84, starring in 58 films in her career, 4 of those after The Lorax was first released. If she were alive today she would be 86.
In The Lorax, I think Mickie McGowan looks: