There were two gowns - a long gold and ivory evening gown and a blue evening gown - that looked like the templates for gowns we've seen on Catherine. It would not surprise me if Catherine's gowns were based on those of the late queen's.

===

The late Queen Mother first became acquainted with Hartnell via Princess Alice of Gloucester's wedding. Hartnell designed Alice's wedding gown and the dresses for the bridesmaids and flower girls, including Princesses Elizabeth and Margaret. The QM continued to be a Madame Handley Seymour client, but after the 1937 Coronation she became Hartnell's client. Hartnell dressed almost all the senior Royal women for decades (I can't remember if Marina was a client or not). The stories he could have told, but did not...