Until 1939, Ira Perrot and Lempicka were close friends. Besides sitting for her 1930 portrait ("Portrait of Ira Perrot" [B.143]), most probably Perrot was also the model for "Woman in the Black Dress" (B.31) and "Her Sadness" (B.30). The latter work is listed in Kizette de Lempicka-Foxhall's book as "Portrait of Mrs. P."