That was over 18 years ago in 2003.
Today she is 41, and has starred in 53 movies in total, 19 since Monster was released.
In Monster, I think Christina Ricci looks:
Monster scores 7 out of 10 on The Movie Database.
Christina Ricci's first acting role was as 'Kate Flax' in Mermaids, released in 1990 when she was 10.