And the latest designs - from Packham's signature sequin-embellished evening attire to slouchy silk trousers and oversized blazers - are sure to be seen on the duchess next season too.
While something tells us she won't be opting for the strapless tangerine gown, the more delicate sky blue shades looked beautifully fresh for an Autumn/Winter collection.
That feathered pencil skirt? We'd love to see Kate give it a try...
Catch up on all the latest from the shows: