Tatiana Guéorguiévna Bruni (November 6, 1902-September 19, 2001) was a Russian costume and set designer, painter, graphic artist, and teacher. She created designs for more than two hundred productions.
Biography on ARTinvestmentRU: https://artinvestment.ru/en/auctions/808/#bio

Puss in Boots by Tatiana Bruni
ND / Watercolor and gouache over pencil heightened with white / 15-3/4″x15-2/5″ / Private collection

Tatiana Bruni on Artnet: http://www.artnet.com/artists/tatiana-bruni/

Further reading:
https://www.eurasiaartfoundation.org/bruni-gallery
https://www.barnebys.co.uk/blog/the-art-of-tatiana-bruni-soul-of-mariinsky-theatre
https://www.theguardian.com/stage/gallery/2014/dec/09/the-bolt-shostakovich-banned-ballet-grad-in-pictures