From Google Art Project via Wikimedia; fixed spots and cracks with Photoshop.
Whoever she is braided her hair and donned a bulging coif. Her gloves are slashed at the knuckles and her sleeves have accordion-like pleats. The opening of the over-bodice is shaped like a Coca Cola bottle tapering like a truncated pyramid at the top. The skirt is deeply pleated.
Keywords: 1525, Cranach the Elder, Magdalene von Sachsen, Prinzessin von Sachsen, Kurprinzessin von Brandenburg, Wettin family, Hohenzollern family, Princess, German, braided coiffure, coif, chignon, choker necklace, necklace, shallow necklace, over-bodice, pyramid décolletage, collar, epaulettes, slashed virago sleeves, arm bands, puffed arm bands, contrasting cuffs, slashed gloves, rings, jeweled upper under-bodice, laced belt, close skirt