Stefanie Scott was 11 in Beethoven's Big Break when she played the character 'Katie'.
That was over 15 years ago in 2008.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 27, and has starred in 19 movies in total, 18 of those since Beethoven's Big Break was released.
In Beethoven's Big Break, I think Stefanie Scott looks: