Jessica Brown Findlay was 29 in Downton Abbey when she played the character 'Lady Sybil Crawley, Lady Sybil Branson'.
That was over 5 years ago in 2019.
Today she is 34, and has starred in 18 movies in total, 6 of those since Downton Abbey was released.
In Downton Abbey, I think Jessica Brown Findlay looks: