Rooney Mara was 19 in Urban Legends: Bloody Mary when she played the character 'Classroom girl #1'.
That was over 19 years ago in 2005.
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 38 movies in total, 33 of those since Urban Legends: Bloody Mary was released.
In Urban Legends: Bloody Mary, I think Rooney Mara looks: