Shelley Hennig was 26 in Unfriended when she played the character 'Blaire Lilly'.
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 37, and has starred in 10 movies in total, 8 of those since Unfriended was released.
In Unfriended, I think Shelley Hennig looks: