That was over 13 years ago in 2008.
Today she is 45, and has starred in 27 movies in total, 15 since Definitely, Maybe was released.
In Definitely, Maybe, I think Isla Fisher looks:
Definitely, Maybe scores 6.7 out of 10 on The Movie Database.
Isla Fisher's first acting role was as 'Kim' in Swimming Pool, released in 2002 when she was 26.