That was over 13 years ago in 2008.
Today she is 71, and has starred in 94 movies in total, 38 since Baby Mama was released.
In Baby Mama, I think Sigourney Weaver looks:
Baby Mama scores 5.8 out of 10 on The Movie Database.
Sigourney Weaver's first acting role was as 'Alvy's Date Outside Theatre' in Annie Hall, released in 1977 when she was 27.