That was over 8 years ago in 2013.
Today she is 40, and has starred in 54 movies in total, 20 since Frozen was released.
In Frozen, I think Kristen Bell looks:
Frozen scores 7.3 out of 10 on The Movie Database.
Kristen Bell's first acting role was as 'Teenage Girl (uncredited)' in Polish Wedding, released in 1998 when she was 17.