Grey DeLisle was 34 in Transformers: Revenge of the Fallen when she played the character 'Arcee (voice)'.
That was over 15 years ago in 2009.
Today she is 50, and has starred in 199 movies in total, 125 of those since Transformers: Revenge of the Fallen was released.
In Transformers: Revenge of the Fallen, I think Grey DeLisle looks: