She made the appearance as part of the Children of the 2020s project.

The cohort study will follow holistic development of children ages 5 months through 5 years old.

The research lines up with Kate’s public work focused onchildhood development.

Kate Middleton smiles wearing purple coat.

Read on to find out all the details of the houndstooth dress and where Kate wore it previously.

Kate paired it with Hugo Boss court heels in gray and “Empress” earrings by Mappin & Webb.

In all, Kate looked effortlessly stylish and comfortable during her outing.

Kate Middleton stuns in recycled dress in London appearance.