Meredith Salenger was 47 in Teen Titans Go! To the Movies when she played the character 'Supergirl (voice)'.
That was over 6 years ago in 2018.
Today she is 54, and has starred in 38 movies in total, 3 of those since Teen Titans Go! To the Movies was released.
In Teen Titans Go! To the Movies, I think Meredith Salenger looks: