Riley Voelkel was 19 in The Social Network when she played the character 'Final Club Girl (uncredited)'.
That was over 14 years ago in 2010.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 34, and has starred in 7 movies in total, 6 of those since The Social Network was released.
In The Social Network, I think Riley Voelkel looks: