Olivia Cooke was 19 in Ruby's Skin when she played the character 'Ruby'.
That was over 10 years ago in 2014.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 30, and has starred in 20 movies in total, 15 of those since Ruby's Skin was released.
In Ruby's Skin, I think Olivia Cooke looks: