That was over 16 years ago in 2005.
Today she is 40, and has starred in 51 movies in total, 28 since Brokeback Mountain was released.
In Brokeback Mountain, I think Michelle Williams looks:
Brokeback Mountain scores 7.6 out of 10 on The Movie Database.
Michelle Williams' first acting role was as 'April Porter' in Lassie, released in 1994 when she was 13.