She may have realised the importance of reworking clothes instead of buying more.
Kate’s Grecian-style gown was first seen at the 2019 BAFTA Awards. But the Princess changed the shoulder appearance of the dress, her jewellery, her shoes, her gloves, and her clutch bag.
The dress was updated with alterations to the left shoulder. The floral petals were removed, and the additional fabric was added and anchored to the shoulder.