That was over 6 years ago in 2015.
Today she is 35, and has starred in 39 movies in total, 11 since Ted 2 was released.
In Ted 2, I think Amanda Seyfried looks:
Ted 2 scores 6.1 out of 10 on The Movie Database.
Amanda Seyfried's first acting role was as 'Karen Smith' in Mean Girls, released in 2004 when she was 18.