Carrie Fisher was 31 in When Harry Met Sally... when she played the character 'Marie'.
That was over 34 years ago in 1989.
In 2016 she died aged just 60, starring in 97 films in her career, 63 of those after When Harry Met Sally... was first released. If she were alive today she would be 66.
In When Harry Met Sally..., I think Carrie Fisher looks: