That was over 8 years ago in 2013.
Today she is 68, and has starred in 70 movies in total, 10 since Last Vegas was released.
In Last Vegas, I think Mary Steenburgen looks:
Last Vegas scores 6.4 out of 10 on The Movie Database.
Mary Steenburgen's first acting role was as 'Julia Tate / Moon' in Goin' South, released in 1978 when she was 25.