According to her Wikipedia article, she married Sigismund III Vasa and ruled btween 1605 and 1631.
From Wikimedia.
She appears to be short in all of her portraits. She wears a delightfully simple and colorful saya in this portrait from the 1610s.
Keywords: Queen Constance of Poland, Habsburg family, Vasa family, Archduchess, Queen, Polish, straight coiffure, framing headdress, hsir jewelry, high enclosing neckline, ruff, bows, tabbed sleeves, false sleeves, full false sleeves, back-flared cuffs, lace, girdle, tabbed bodice, vee waistline, farthingale, necklace, earrings, brooch, handkerchief, saya