If you have a round face and curly hair, it's best not to cut hair chin-length because it accentuates the roundness. This cut is just long enough, but would look even better on a round face if allowed to grow out a few inches. Keri Russell's curls have been tamed here, her natural hair is much curlier. If you have a round face, tame curls by wrapping hair around a large-barreled curling iron. This creates bigger curls, rather than the small spirals.
See 10 More Flattering Haircuts for Round Face Shapes
Missed the first gallery of round face shapes?
Gallery 1: Flattering Haircuts for Round Face Shapes