Linda Cardellini was 25 in Scooby-Doo when she played the character 'Velma Dinkley'.
That was over 22 years ago in 2002.
Today she is 48, and has starred in 38 movies in total, 28 of those since Scooby-Doo was released.
In Scooby-Doo, I think Linda Cardellini looks: