Isabel Lucas was 23 in Transformers: Revenge of the Fallen when she played the character 'Alice'.
That was over 15 years ago in 2009.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 39, and has starred in 26 movies in total, 25 of those since Transformers: Revenge of the Fallen was released.
In Transformers: Revenge of the Fallen, I think Isabel Lucas looks: