That was over 16 years ago in 2005.
Today she is 45, and has starred in 40 movies in total, 19 since Nanny McPhee was released.
In Nanny McPhee, I think Kelly Macdonald looks:
Nanny McPhee scores 6.4 out of 10 on The Movie Database.
Kelly Macdonald's first acting role was as 'Diane' in Trainspotting, released in 1996 when she was 20.