That was over 10 years ago in 2011.
Today she is 46, and has starred in 20 movies in total, 6 since Young Adult was released.
In Young Adult, I think Elizabeth Reaser looks:
Young Adult scores 5.6 out of 10 on The Movie Database.
Elizabeth Reaser's first acting role was as 'Miriam' in The Believer, released in 2001 when she was 25.