Halston Sage was 18 in The First Time when she played the character 'Brianna'.
That was over 12 years ago in 2012.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 31, and has starred in 14 movies in total, 13 of those since The First Time was released.
In The First Time, I think Halston Sage looks: