That was over 21 years ago in 2000.
Today she is 56, and has starred in 55 movies in total, 36 since X-Men was released.
In X-Men, I think Famke Janssen looks:
X-Men scores 6.9 out of 10 on The Movie Database.
Famke Janssen's first acting role was as 'Kyle Christian' in Fathers & Sons, released in 1992 when she was 27.