Tamara de Lempicka's Portrait of the Duchess of La Salle 

(1925) & La Bella Rafaela (1927)

Lempicka was an important Polish Art Deco painter who was bisexual & sorta known for her lady love triangles, in which she was varying degrees (haha "degrees" sounds so weird...) away from other famous artists of the time, like Virgina Wolf.

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Autoportrait  (Tamara in the Green Bugatti) (1925)

 Young Girl with Gloves (1929)

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