Hayley Atwell was 37 in Peter Rabbit 2: The Runaway when she played the character 'Mittens (voice)'.
That was over 3 years ago in 2021.
Today she is 42, and has starred in 40 movies in total, 4 of those since Peter Rabbit 2: The Runaway was released.
In Peter Rabbit 2: The Runaway, I think Hayley Atwell looks: